# The May Eye Care Center & Associates — Full Reference (llms-full.txt)

> Extended machine-readable reference: practice facts plus the full text of all 202 patient FAQs.
> Canonical site: https://www.mayeyecare.com  ·  FAQ hub: https://www.mayeyecare.com/faqs  ·  Short manifest: https://www.mayeyecare.com/llms.txt

## Practice
- Name: The May Eye Care Center & Associates (May Eye Care Center & Associates, MECCA, May Eye Care Center)
- Address: 250 Fame Ave, Suite 225, Hanover, PA 17331 (Hillside Medical Center, Entrance F)
- Phone: (717) 637-1919  ·  Fax: (223) 639-5010  ·  Email: reception1@mayeyecare.com
- Hours: Monday 08:30–16:30; Tuesday 08:30–16:30; Wednesday 08:30–18:00; Thursday 08:30–17:00; Friday 08:30–14:00
- Physicians: Carl J. May Jr., MD (Board-Certified Ophthalmologist); Molly Ann R. Clymer, OD (Board-Certified Optometrist); Noah Eckel, OD (Doctor of Optometry)
- Service area: Hanover, PA, York, PA, York County, PA, Adams County, PA, Gettysburg, PA, Chambersburg, PA, Carlisle, PA, Harrisburg, PA, Littlestown, PA, New Oxford, PA, Spring Grove, PA, East Berlin, PA, Shrewsbury, PA, Red Lion, PA, Dillsburg, PA, Carroll County, MD, Westminster, MD, Hampstead, MD, Taneytown, MD, Manchester, MD, Sykesville, MD, Eldersburg, MD, Reisterstown, MD
- Eye emergencies: for a true medical emergency call 911; for urgent symptoms call (717) 637-1919 during working hours (seen same day or next day) — https://www.mayeyecare.com/eye-emergencies
- Careers / hiring: https://www.mayeyecare.com/careers

## Frequently asked questions (full text)

### Cataract surgery (https://www.mayeyecare.com/cataract-surgery)

**Q: How Do I Know When It Is Time For Cataract Surgery?**
A: Cataract surgery is recommended when cloudy vision begins interfering with your daily activities. Common symptoms include difficulty driving at night, glare from headlights, blurry vision, faded colors, frequent changes in glasses prescriptions, and trouble reading or watching television. The decision is based on your visual needs and quality of life rather than the appearance of the cataract alone.

**Q: What Is A Cataract?**
A: A cataract occurs when the natural lens inside the eye becomes cloudy. Cataracts commonly develop with age and can cause blurred vision, glare, halos around lights, poor night vision, and difficulty seeing fine details. Cataracts are one of the most common causes of vision loss and are highly treatable with modern cataract surgery.

**Q: What Causes Cataracts?**
A: Most cataracts develop naturally as part of the aging process. Other risk factors include diabetes, smoking, prolonged UV exposure, steroid use, eye injuries, previous eye surgery, and family history of cataracts.

**Q: Is Cataract Surgery Covered By Medicare?**
A: Yes. Medicare and most insurance plans typically cover cataract surgery when the cataract significantly affects vision and daily activities. Premium lens implants and advanced technology options that reduce dependence on glasses may involve additional out-of-pocket costs.

**Q: Is Cataract Surgery Painful?**
A: Modern cataract surgery is generally painless. Numbing eye drops are used, and many patients receive mild relaxation medication. Most patients report feeling pressure but little or no discomfort during the procedure.

**Q: How Long Does Cataract Surgery Take?**
A: The procedure itself usually takes approximately 10 to 20 minutes. Most patients spend less than two hours total at the surgery center and return home the same day.

**Q: How Safe Is Cataract Surgery?**
A: Cataract surgery is one of the safest and most successful surgical procedures performed today. Millions of cataract surgeries are performed annually, and most patients experience significant improvements in vision.

**Q: What Happens During Cataract Surgery?**
A: During cataract surgery, the cloudy natural lens is removed through a tiny incision and replaced with a clear artificial intraocular lens (IOL). The new lens remains in the eye permanently and cannot be felt or seen.

**Q: What Is Laser Cataract Surgery?**
A: Laser-assisted cataract surgery uses advanced femtosecond laser technology to perform certain steps of the procedure with exceptional precision. The laser can create incisions, soften the cataract, and help correct astigmatism in selected patients.

**Q: What Is The Difference Between Traditional And Laser Cataract Surgery?**
A: Both procedures remove the cataract and replace it with a lens implant. Laser-assisted cataract surgery uses computer-guided laser technology for portions of the procedure and may provide additional precision and customization for certain patients.

**Q: Will I Need Glasses After Cataract Surgery?**
A: That depends largely on the lens implant chosen. Some patients still require glasses for reading or distance, while others significantly reduce their dependence on glasses through advanced lens technologies.

**Q: What Is The Best Lens Implant For Cataract Surgery?**
A: There is no single "best" lens for everyone. The ideal lens depends on your lifestyle, hobbies, occupation, visual goals, and eye health. Options include monofocal, toric, EDOF, and multifocal lens implants.

**Q: What Is An EDOF Lens Implant?**
A: An Extended Depth of Focus (EDOF) lens provides excellent distance vision while extending vision into the intermediate range used for computers, dashboards, shopping, cooking, dining, and many everyday activities. Most patients still require reading glasses for small print.

**Q: What Is A Multifocal Lens Implant?**
A: Multifocal lenses are designed to provide distance, intermediate, and near vision. Many patients achieve substantial freedom from glasses, although some may notice halos or glare around lights, particularly at night.

**Q: What Is A Toric Lens Implant?**
A: A toric lens implant corrects astigmatism during cataract surgery. Reducing astigmatism often improves vision quality and decreases dependence on glasses after surgery.

**Q: Are Premium Lens Implants Worth The Extra Cost?**
A: Many patients find premium lens implants worthwhile because they reduce dependence on glasses and improve lifestyle convenience. The value depends on your visual goals and willingness to wear glasses after surgery.

**Q: Can Astigmatism Be Corrected During Cataract Surgery?**
A: Yes. Astigmatism can often be corrected using toric lens implants, limbal relaxing incisions, or laser-assisted technology during cataract surgery.

**Q: Can Cataracts Grow Back After Surgery?**
A: No. Once a cataract is removed, it cannot grow back. However, some patients develop clouding of the capsule behind the lens implant, known as posterior capsule opacification, which is easily treated with a quick YAG laser procedure.

**Q: What Is A YAG Laser Capsulotomy?**
A: A YAG laser capsulotomy is a painless office procedure used to remove cloudiness that occasionally develops behind a lens implant after cataract surgery. Vision often improves rapidly following treatment.

**Q: How Soon Will My Vision Improve After Cataract Surgery?**
A: Many patients notice improved vision within 24 to 48 hours. Vision continues to stabilize over several weeks as healing progresses.

**Q: How Long Is Recovery After Cataract Surgery?**
A: Most patients return to normal daily activities within a few days. Full healing typically occurs over several weeks, although vision often improves much sooner.

**Q: Can I Drive After Cataract Surgery?**
A: Most patients can resume driving once vision meets legal driving requirements and their ophthalmologist approves. This often occurs within a few days after surgery.

**Q: Can Both Eyes Be Done At The Same Time?**
A: Most surgeons perform cataract surgery one eye at a time to maximize safety and ensure optimal outcomes. The second eye is typically treated days to weeks later.

**Q: What Restrictions Will I Have After Surgery?**
A: Patients are generally advised to avoid heavy lifting, swimming, hot tubs, and rubbing the eye during the early healing period. Most normal activities can be resumed quickly.

**Q: Can Cataract Surgery Correct My Nearsightedness Or Farsightedness?**
A: Yes. Modern lens implants allow many patients to reduce or eliminate nearsightedness, farsightedness, and astigmatism while removing the cataract.

**Q: Am I Too Old For Cataract Surgery?**
A: There is no upper age limit for cataract surgery. Overall health and expected visual benefit are more important than age alone.

**Q: Can Diabetics Have Cataract Surgery?**
A: Yes. Cataract surgery is commonly performed in diabetic patients. Careful evaluation of retinal health helps optimize outcomes.

**Q: Can Cataract Surgery Help My Night Driving?**
A: Many patients experience significant improvement in night vision, glare, halos, and headlight sensitivity after cataract surgery.

**Q: Will Cataract Surgery Improve Colors?**
A: Yes. Cataracts often make colors appear dull, yellow, or faded. Many patients are surprised by how bright and vivid colors appear after surgery.

**Q: Why Choose May Eye Care Center For Cataract Surgery?**
A: At May Eye Care Center, patients receive comprehensive cataract evaluations, advanced diagnostic testing, laser cataract surgery options, premium lens technologies, and personalized recommendations designed around their lifestyle and visual goals. We proudly serve patients throughout Hanover, York, Gettysburg, Adams County, Carroll County, and surrounding communities.

### LASIK & vision correction (https://www.mayeyecare.com/lasik)

**Q: What Is LASIK Eye Surgery?**
A: LASIK (Laser-Assisted In Situ Keratomileusis) is a laser vision correction procedure designed to reduce or eliminate dependence on glasses and contact lenses. LASIK reshapes the cornea to improve how light focuses on the retina, resulting in clearer vision.

**Q: What Vision Problems Can LASIK Correct?**
A: LASIK can correct:
  - Nearsightedness (myopia)
  - Farsightedness (hyperopia)
  - Astigmatism
Many patients achieve 20/20 vision or better after LASIK, although individual results vary.

**Q: Am I A Candidate For LASIK?**
A: Ideal LASIK candidates generally:
  - Are at least 18 years old
  - Have stable vision
  - Have healthy corneas
  - Are free from significant eye disease
  - Have realistic expectations
A comprehensive LASIK evaluation is required to determine candidacy.

**Q: What Is The Best Age For LASIK?**
A: Many patients undergo LASIK in their 20s, 30s, and 40s. However, age alone does not determine eligibility. Healthy eyes and a stable prescription are more important than age.
Full answer: https://www.mayeyecare.com/lasik/what-is-the-best-age-for-lasik

**Q: Am I Too Old For LASIK?**
A: Not necessarily. Some patients in their 50s and even 60s may qualify. However, patients over 50 often have better long-term visual outcomes with Refractive Lens Exchange (RLE) rather than LASIK.

**Q: Is LASIK Permanent?**
A: The corneal reshaping performed during LASIK is permanent. However, natural aging changes such as presbyopia and cataracts can still affect vision later in life.
Full answer: https://www.mayeyecare.com/lasik/is-lasik-permanent

**Q: How Long Does LASIK Last?**
A: For most patients, LASIK results remain stable for decades. Future changes in vision are usually related to aging rather than failure of the LASIK procedure.

**Q: Does LASIK Hurt?**
A: LASIK is generally not painful. Numbing eye drops are used before the procedure. Some patients experience mild irritation, tearing, or scratchiness during the first few hours after surgery.
Full answer: https://www.mayeyecare.com/lasik/does-lasik-hurt

**Q: How Long Does LASIK Take?**
A: The laser treatment itself usually takes less than one minute per eye. Most LASIK procedures are completed within 15 minutes.
Full answer: https://www.mayeyecare.com/lasik/how-long-does-lasik-take

**Q: How Soon Will I See Better After LASIK?**
A: Many patients notice improved vision within hours. Vision often continues improving over the first few days and weeks after surgery.

**Q: What Is LASIK Recovery Like?**
A: Most patients return to work and normal activities within one to two days. Vision usually stabilizes over several weeks.

**Q: Can LASIK Eliminate The Need For Glasses?**
A: LASIK significantly reduces dependence on glasses for most patients. However, some patients may still require glasses for specific activities or later in life as natural aging occurs.

**Q: Will I Need Reading Glasses After LASIK?**
A: Patients eventually develop presbyopia, the normal age-related loss of near focusing ability. Most individuals over age 40 will require reading glasses at some point regardless of LASIK.

**Q: Can LASIK Correct Astigmatism?**
A: Yes. LASIK is highly effective at treating many forms of astigmatism and can often reduce or eliminate the need for corrective lenses.

**Q: What Are The Risks Of LASIK?**
A: Potential risks include:
  - Dry eyes
  - Glare
  - Halos
  - Night vision disturbances
  - Undercorrection
  - Overcorrection
Serious complications are uncommon when patients are properly screened.

**Q: Can LASIK Cause Blindness?**
A: Permanent severe vision loss from LASIK is extremely rare. LASIK has one of the highest patient satisfaction rates of any elective medical procedure.

**Q: Why Do Some Patients Not Qualify For LASIK?**
A: Common reasons include:
  - Thin corneas
  - Severe dry eye disease
  - Unstable prescriptions
  - Keratoconus
  - Certain autoimmune diseases
  - Extremely high prescriptions
Alternative procedures may still be available.

**Q: What Happens If I Am Not A Candidate For LASIK?**
A: Many patients may qualify for:
  - PRK
  - EVO ICL
  - Refractive Lens Exchange (RLE)
  - Advanced Cataract Surgery
Your ophthalmologist can recommend the best option based on your eye health and visual goals.

**Q: Is LASIK Better Than Contact Lenses?**
A: LASIK eliminates many of the inconveniences associated with contact lenses, including daily maintenance, dry eyes from lens wear, and ongoing replacement costs.

**Q: How Much Does LASIK Cost?**
A: LASIK pricing varies based on technology, surgeon experience, and individual visual needs. During your consultation, a customized treatment plan and pricing options will be reviewed.

**Q: Is LASIK Covered By Insurance?**
A: LASIK is generally considered an elective procedure and is not covered by most medical insurance plans. Flexible spending accounts (FSA) and health savings accounts (HSA) may often be used.

**Q: Can LASIK Improve Night Vision?**
A: Many patients experience improved night vision compared to their vision before surgery. However, some individuals may temporarily notice glare or halos during healing.

**Q: Can Both Eyes Be Treated The Same Day?**
A: Yes. LASIK is routinely performed on both eyes during the same visit.

**Q: How Accurate Is LASIK?**
A: Modern wavefront-guided LASIK technology allows highly precise treatment and excellent visual outcomes for appropriately selected patients.

**Q: What Is Wavefront-Guided LASIK?**
A: Wavefront technology creates a detailed map of your eye's optical system. This customized approach can improve visual quality and reduce higher-order aberrations.

**Q: Can LASIK Fix My Reading Vision?**
A: Traditional LASIK primarily treats distance vision. Patients over age 40 who want both distance and near vision may be candidates for monovision LASIK or Refractive Lens Exchange.

**Q: How Do I Know If LASIK Or RLE Is Better For Me?**
A: Generally:
  - Younger patients with healthy lenses often benefit from LASIK.
  - Patients over 50 frequently achieve better long-term outcomes with Refractive Lens Exchange because it also prevents future cataracts.
A detailed examination is necessary to determine which option is best.

**Q: What Should I Expect During My LASIK Consultation?**
A: Your LASIK evaluation includes:
  - Corneal mapping
  - Refraction testing
  - Tear film analysis
  - Pupil measurements
  - Corneal thickness measurements
  - Comprehensive eye examination
These tests help determine the safest and most effective vision correction option.

**Q: Why Choose May Eye Care Center For LASIK?**
A: At May Eye Care Center, every patient receives a comprehensive evaluation to determine whether LASIK, PRK, Refractive Lens Exchange, or another vision correction procedure is the best choice. Our goal is to provide personalized recommendations based on your eyes, lifestyle, and long-term visual goals.

### Refractive lens exchange (https://www.mayeyecare.com/refractive-lens-exchange)

**Q: What Is Refractive Lens Exchange (RLE)?**
A: Refractive Lens Exchange (RLE), also known as Clear Lens Exchange (CLE), is a procedure that replaces the eye's natural lens with an advanced artificial lens implant to reduce dependence on glasses and contact lenses. The procedure is nearly identical to modern cataract surgery, except the natural lens is removed before a significant cataract develops.

**Q: What Is Clear Lens Exchange (CLE)?**
A: Clear Lens Exchange is another name for Refractive Lens Exchange. During the procedure, the eye's natural lens is replaced with an intraocular lens (IOL) designed to improve vision at distance, intermediate, and sometimes near ranges.

**Q: What Is The Difference Between RLE And Cataract Surgery?**
A: The procedure itself is essentially the same. The primary difference is that RLE is performed before a cataract significantly affects vision, while cataract surgery is performed after a cataract develops.

**Q: What Is The Difference Between LASIK And RLE?**
A: LASIK reshapes the cornea. RLE replaces the eye's natural lens.
LASIK is often an excellent choice for younger patients. RLE is frequently a better long-term solution for patients over age 50 because it can correct vision while eliminating the future need for cataract surgery.

**Q: Am I Too Old For LASIK?**
A: Many patients over age 50 discover they are better candidates for Refractive Lens Exchange than LASIK. RLE can correct distance vision while addressing age-related loss of reading vision and preventing future cataracts.

**Q: Who Is A Good Candidate For RLE?**
A: Ideal candidates often:
  - Are over age 45
  - Need reading glasses or bifocals
  - Have high prescriptions
  - Are not ideal LASIK candidates
  - Want greater freedom from glasses
  - Have early cataract changes
A comprehensive evaluation is necessary to determine candidacy.

**Q: Why Do Patients Choose RLE Instead Of LASIK?**
A: Many patients choose RLE because it:
  - Corrects distance vision
  - Improves intermediate vision
  - May improve near vision
  - Eliminates future cataracts
  - Can treat higher prescriptions
  - Provides a permanent lens solution

**Q: Can RLE Eliminate Reading Glasses?**
A: Many patients significantly reduce their dependence on reading glasses with advanced lens implants. Results depend on the lens selected and individual eye characteristics.

**Q: What Lens Implant Is Used During RLE?**
A: Several lens options are available, including:
  - Monofocal lenses
  - Toric lenses for astigmatism
  - Extended Depth of Focus (EDOF) lenses
  - Multifocal lenses
The best lens depends on your lifestyle and visual goals.

**Q: What Is An EDOF Lens?**
A: An Extended Depth of Focus (EDOF) lens extends clear vision from distance into the intermediate range used for:
  - Computer work
  - Dashboard viewing
  - Shopping
  - Cooking
  - Dining
  - Looking in mirrors
  - Playing cards
  - Social activities
Many patients still require reading glasses for very small print.

**Q: What Is A Multifocal Lens?**
A: Multifocal lenses are designed to provide vision at multiple distances and may significantly reduce dependence on glasses for distance, intermediate, and near tasks.

**Q: Which Is Better: EDOF Or Multifocal Lenses?**
A: Neither lens is universally better.
EDOF lenses often provide excellent distance and intermediate vision with fewer nighttime visual symptoms.
Multifocal lenses may provide greater near vision but may increase halos and glare in some patients.
The ideal lens depends on your lifestyle and visual priorities.

**Q: Can RLE Correct Astigmatism?**
A: Yes. Astigmatism can often be corrected during RLE using toric lens implants and advanced surgical planning.

**Q: Is RLE Permanent?**
A: Yes. Once the natural lens is removed, it cannot grow back. The artificial lens implant remains in place permanently.

**Q: Will I Ever Develop Cataracts After RLE?**
A: No — because the natural lens is removed during RLE, a true cataract cannot develop later in life. One related thing can happen: the clear capsule that holds the new lens can haze over months or years (posterior capsule opacification), which blurs vision much like a cataract would. It is treated in minutes with a painless YAG laser in the office.

**Q: Is RLE Painful?**
A: Most patients experience little or no discomfort. Numbing eye drops and relaxation medication are commonly used during the procedure.

**Q: How Long Does RLE Take?**
A: The procedure typically takes approximately 10 to 20 minutes per eye.

**Q: Is RLE Safe?**
A: Modern lens replacement surgery is one of the most commonly performed and successful procedures in ophthalmology, and serious complications are uncommon. Like any intraocular surgery, however, RLE carries real risks — infection, inflammation, swelling of the retina or cornea, elevated eye pressure, and retinal detachment, which is more likely in very nearsighted eyes. Later on, the lens capsule can haze (posterior capsule opacification), which is corrected with a quick office laser. Dr. May reviews these risks against your individual eye anatomy as part of the candidacy evaluation.

**Q: How Long Is Recovery After RLE?**
A: Many patients notice visual improvement within days. Most normal activities can be resumed quickly, although complete healing continues for several weeks.

**Q: How Soon Can I Drive After RLE?**
A: Many patients return to driving within a few days once vision reaches legal driving standards and their surgeon approves.

**Q: Can Both Eyes Be Done At The Same Time?**
A: Most surgeons perform one eye at a time for maximum safety and visual accuracy. The second eye is usually treated days or weeks later.

**Q: Is RLE Better Than Cataract Surgery?**
A: RLE and cataract surgery are essentially the same procedure. The difference is timing. RLE allows patients to enjoy the benefits of advanced lens technology before a cataract significantly affects vision.

**Q: Can RLE Treat Very High Nearsightedness?**
A: Yes. RLE is often an excellent option for patients with high levels of nearsightedness who may not qualify for LASIK.

**Q: Can RLE Treat Farsightedness?**
A: Yes. Many highly farsighted patients achieve excellent outcomes with lens replacement surgery.

**Q: What If I Have Early Cataracts?**
A: Patients with early cataracts are often excellent candidates for RLE because the procedure simultaneously improves vision and prevents future cataract progression.

**Q: What Happens During RLE Surgery?**
A: During surgery:
  - A tiny incision is made.
  - The natural lens is removed.
  - A customized lens implant is inserted.
  - The lens unfolds into position.
  - Most incisions self-seal without stitches.

**Q: Why Is RLE Becoming More Popular?**
A: Patients increasingly choose RLE because it offers:
  - Permanent vision correction
  - Reduced dependence on glasses
  - Cataract prevention
  - Advanced lens technology
  - Excellent long-term visual outcomes

**Q: How Much Does Refractive Lens Exchange Cost?**
A: The cost varies depending on the lens technology selected and individual visual goals. A personalized consultation is necessary to determine the best treatment plan and associated costs.

**Q: Is RLE Covered By Insurance?**
A: When performed primarily for refractive purposes, RLE is generally not covered by insurance. Once cataracts become visually significant, insurance and Medicare may cover standard cataract surgery benefits.

**Q: What Is The Best Vision Correction Procedure After Age 50?**
A: For many patients over age 50, Refractive Lens Exchange provides advantages that LASIK cannot, including correction of presbyopia, reduction of dependence on reading glasses, and elimination of future cataracts.

**Q: Why Choose May Eye Care Center For Refractive Lens Exchange?**
A: At May Eye Care Center, we perform comprehensive evaluations to determine whether LASIK, PRK, EVO ICL, cataract surgery, or Refractive Lens Exchange is the best solution for your vision. We offer advanced lens technologies including EDOF, toric, and multifocal lens implants to help patients achieve their visual goals while reducing dependence on glasses.

### Glaucoma (https://www.mayeyecare.com/glaucoma)

**Q: What Is Glaucoma?**
A: Glaucoma is a group of eye diseases that damage the optic nerve, the structure that carries visual information from the eye to the brain. Without treatment, glaucoma can cause permanent vision loss and blindness.
Full answer: https://www.mayeyecare.com/glaucoma/what-is-glaucoma

**Q: Why Is Glaucoma Called The "Silent Thief Of Sight"?**
A: Most forms of glaucoma cause no pain, redness, or early warning signs. Vision loss typically begins in the peripheral (side) vision and may go unnoticed until significant and irreversible damage has already occurred.

**Q: What Causes Glaucoma?**
A: Glaucoma is usually associated with increased pressure inside the eye, known as intraocular pressure (IOP). However, glaucoma can occur even when eye pressure is within the normal range. Genetics, age, race, and certain medical conditions also increase risk.

**Q: What Eye Pressure Is Too High?**
A: Normal eye pressure generally ranges from approximately 10 to 21 mmHg. However, glaucoma can occur at any pressure level. Some patients develop optic nerve damage at normal pressures, while others tolerate higher pressures without damage.
The health of the optic nerve is more important than the pressure number alone.

**Q: Can You Have Glaucoma With Normal Eye Pressure?**
A: Yes. This condition is called Normal-Tension Glaucoma. Even though eye pressure falls within the normal range, damage to the optic nerve still occurs.
Full answer: https://www.mayeyecare.com/glaucoma/can-you-have-glaucoma-with-normal-eye-pressure

**Q: What Are The Early Warning Signs Of Glaucoma?**
A: Most patients experience no symptoms during the early stages of glaucoma. This is why regular comprehensive eye examinations are essential.

**Q: What Are The Symptoms Of Advanced Glaucoma?**
A: As glaucoma progresses, patients may experience:
  - Loss of side vision
  - Difficulty seeing in dim lighting
  - Trouble navigating stairs
  - Tunnel vision
  - Difficulty driving
Vision lost from glaucoma cannot be restored.

**Q: Can Glaucoma Cause Blindness?**
A: Yes. Untreated glaucoma can lead to permanent blindness. Early diagnosis and treatment dramatically reduce the risk of severe vision loss.

**Q: Is Vision Loss From Glaucoma Reversible?**
A: No. Damage to the optic nerve caused by glaucoma is permanent. Treatment is designed to preserve the vision you still have and prevent further damage.

**Q: Who Is At Risk For Glaucoma?**
A: Risk factors include:
  - Age over 60
  - Family history of glaucoma
  - African American heritage
  - Hispanic heritage
  - Elevated eye pressure
  - Diabetes
  - Thin corneas
  - Severe nearsightedness
  - Previous eye injury
  - Long-term steroid use

**Q: Does Glaucoma Run In Families?**
A: Yes. A family history of glaucoma significantly increases your risk. Individuals with parents, siblings, or children diagnosed with glaucoma should receive regular eye examinations.

**Q: How Is Glaucoma Diagnosed?**
A: Diagnosis may include:
  - Eye pressure measurement
  - Optic nerve examination
  - Optical Coherence Tomography (OCT)
  - Visual field testing
  - Corneal thickness measurements
  - Gonioscopy
These tests help identify glaucoma before noticeable vision loss occurs.

**Q: What Is An OCT Scan For Glaucoma?**
A: Optical Coherence Tomography (OCT) is an advanced imaging technology that measures the thickness of the optic nerve and retinal nerve fiber layer. OCT often detects glaucoma damage before visual field loss develops.

**Q: What Is A Visual Field Test?**
A: A visual field test measures side vision and helps identify areas of vision loss caused by glaucoma. It is one of the most important tests for monitoring disease progression.
Full answer: https://www.mayeyecare.com/eye-exams-and-vision/what-is-a-visual-field-test

**Q: What Is Open-Angle Glaucoma?**
A: Primary Open-Angle Glaucoma is the most common type of glaucoma. The eye's drainage system remains open but becomes less efficient over time, causing pressure-related optic nerve damage.
Full answer: https://www.mayeyecare.com/glaucoma/what-is-open-angle-glaucoma

**Q: What Is Angle-Closure Glaucoma?**
A: Angle-Closure Glaucoma occurs when the drainage angle inside the eye becomes blocked. This can cause a sudden rise in eye pressure and may require emergency treatment.

**Q: What Are Symptoms Of Acute Angle-Closure Glaucoma?**
A: Symptoms may include:
  - Severe eye pain
  - Blurred vision
  - Headache
  - Nausea
  - Vomiting
  - Halos around lights
This is a medical emergency requiring immediate treatment.

**Q: How Is Glaucoma Treated?**
A: Treatment may include:
  - Prescription eye drops
  - Laser procedures
  - Minimally invasive glaucoma surgery (MIGS)
  - Traditional glaucoma surgery
The goal is to lower eye pressure and prevent additional optic nerve damage.

**Q: Do Glaucoma Eye Drops Cure Glaucoma?**
A: No. Eye drops help control eye pressure and slow progression but do not cure glaucoma.

**Q: Will I Need Glaucoma Drops Forever?**
A: Many patients require long-term treatment. However, some patients may reduce or eliminate medications following successful laser treatment or glaucoma surgery.

**Q: What Happens If I Stop My Glaucoma Drops?**
A: Stopping glaucoma medications can allow eye pressure to rise, increasing the risk of permanent optic nerve damage and vision loss.
Patients should never discontinue treatment without consulting their ophthalmologist.

**Q: What Is Selective Laser Trabeculoplasty (SLT)?**
A: SLT is a laser treatment that improves drainage of fluid from the eye and lowers eye pressure. It is often used as an alternative or supplement to glaucoma medications.

**Q: Is SLT Better Than Glaucoma Eye Drops?**
A: For many patients, SLT can effectively reduce eye pressure while decreasing reliance on daily medications. The best option depends on the individual patient.

**Q: What Is MIGS Surgery?**
A: Minimally Invasive Glaucoma Surgery (MIGS) refers to advanced procedures that lower eye pressure using microscopic implants or drainage techniques with faster recovery and fewer risks than traditional glaucoma surgery.

**Q: What Is An iStent?**
A: The iStent is one of the smallest medical implants used in the human body. It is commonly placed during cataract surgery to improve fluid drainage and lower eye pressure in glaucoma patients.

**Q: Can Cataract Surgery Lower Eye Pressure?**
A: Yes. Many glaucoma patients experience lower eye pressure following cataract surgery. In selected patients, cataract surgery may be combined with MIGS procedures for additional pressure reduction.

**Q: What Is A Xen Gel Stent?**
A: The Xen Gel Stent is a minimally invasive implant used to create a new drainage pathway for fluid, helping lower eye pressure in patients with moderate to advanced glaucoma.

**Q: When Is Glaucoma Surgery Necessary?**
A: Surgery may be recommended when:
  - Medications fail to control pressure
  - Laser treatment is insufficient
  - Glaucoma continues to worsen
  - Medication side effects become problematic

**Q: How Often Should Glaucoma Patients Be Examined?**
A: Follow-up intervals vary depending on disease severity and stability. Some patients are monitored every few months, while others may be seen less frequently.

**Q: Can Lifestyle Changes Cure Glaucoma?**
A: No. While healthy lifestyle habits support overall eye health, they cannot replace medical treatment for glaucoma.

**Q: Can Exercise Help Glaucoma?**
A: Regular aerobic exercise may provide modest reductions in eye pressure and offers numerous health benefits. Patients should discuss exercise recommendations with their physician.

**Q: Does Diabetes Increase The Risk Of Glaucoma?**
A: Yes. Patients with diabetes may have a higher risk of developing glaucoma and should receive regular comprehensive eye examinations.

**Q: Why Is Early Detection So Important?**
A: Because glaucoma damage is permanent, identifying the disease before symptoms develop is the best way to preserve vision and prevent blindness.

**Q: What Makes May Eye Care Center Different For Glaucoma Care?**
A: At May Eye Care Center, we offer comprehensive glaucoma diagnosis, OCT imaging, visual field testing, laser glaucoma treatments, SLT laser procedures, MIGS surgery, iStent implantation, Xen Gel Stent surgery, and advanced medical management. We provide individualized treatment plans designed to preserve vision and maintain quality of life for patients throughout Hanover, York, Gettysburg, Adams County, Carroll County, and surrounding communities.

### Diabetic eye disease (https://www.mayeyecare.com/diabetic-eye-disease)

**Q: What Is Diabetic Eye Disease?**
A: Diabetic eye disease refers to a group of eye conditions caused by diabetes, including diabetic retinopathy, diabetic macular edema, cataracts, and glaucoma. These conditions can damage vision and may lead to blindness if left untreated.

**Q: What Is Diabetic Retinopathy?**
A: Diabetic retinopathy occurs when high blood sugar damages the small blood vessels in the retina, the light-sensitive tissue lining the back of the eye. It is one of the most common causes of vision loss among adults with diabetes.
Full answer: https://www.mayeyecare.com/diabetic-eye-disease/what-is-diabetic-retinopathy

**Q: What Is Diabetic Macular Edema (DME)?**
A: Diabetic macular edema occurs when damaged blood vessels leak fluid into the macula, the part of the retina responsible for sharp central vision. DME can cause blurry vision, difficulty reading, and permanent vision loss if untreated.

**Q: Can Diabetes Cause Blindness?**
A: Yes. Diabetes is a leading cause of preventable blindness. However, early detection and treatment can dramatically reduce the risk of severe vision loss.

**Q: Can You Have Diabetic Retinopathy Without Symptoms?**
A: Yes. Many patients have diabetic retinopathy for years without noticing any changes in vision. Significant damage can occur before symptoms develop.
This is why annual diabetic eye examinations are essential.

**Q: What Are The Symptoms Of Diabetic Eye Disease?**
A: Symptoms may include:
  - Blurry vision
  - Fluctuating vision
  - Floaters
  - Dark spots
  - Distorted vision
  - Difficulty reading
  - Poor night vision
  - Vision loss
Many patients have no symptoms during the early stages.

**Q: How Often Should Diabetics Have An Eye Exam?**
A: Most patients with diabetes should have a comprehensive dilated eye examination at least once every year.
Some patients with diabetic retinopathy may require more frequent examinations.

**Q: Why Do Diabetics Need Dilated Eye Exams?**
A: Dilation allows your ophthalmologist to examine the retina and identify early diabetic damage that may not be visible without dilating the pupils.

**Q: Can Type 1 And Type 2 Diabetes Both Affect Vision?**
A: Yes. Both Type 1 and Type 2 diabetes can cause diabetic retinopathy and diabetic macular edema.

**Q: Does Prediabetes Affect The Eyes?**
A: Prediabetes generally causes less retinal damage than diabetes, but elevated blood sugar levels can still affect vision and increase long-term risk.

**Q: What Blood Sugar Level Causes Eye Damage?**
A: There is no single blood sugar level that causes diabetic eye disease. However, consistently elevated blood glucose levels increase the risk of retinal damage over time.
Good diabetic control is one of the best ways to protect vision.

**Q: Can Better Blood Sugar Control Improve Eye Health?**
A: Yes. Maintaining healthy blood sugar levels can significantly reduce the risk of developing diabetic retinopathy and slow progression of existing disease.

**Q: What A1C Level Is Best For Protecting Vision?**
A: Patients should work with their primary care physician or endocrinologist to establish individualized A1C goals. In general, better long-term glucose control is associated with a lower risk of diabetic eye complications.

**Q: Does High Blood Pressure Affect Diabetic Eye Disease?**
A: Yes. High blood pressure can worsen diabetic retinopathy and increase the risk of vision-threatening complications.

**Q: Does High Cholesterol Affect Diabetic Eye Disease?**
A: Yes. Elevated cholesterol levels may contribute to retinal damage and increase the risk of diabetic macular edema.

**Q: Can Diabetic Retinopathy Be Reversed?**
A: In some cases, early diabetic retinal changes may improve with excellent blood sugar control. However, advanced retinal damage is often permanent, making early detection critically important.

**Q: What Treatments Are Available For Diabetic Retinopathy?**
A: Treatment options may include:
  - Observation
  - Blood sugar control
  - Anti-VEGF injections
  - Retinal laser treatment
  - Vitrectomy surgery
The best treatment depends on the severity of disease.

**Q: What Are Anti-VEGF Injections?**
A: Anti-VEGF medications help reduce retinal swelling and abnormal blood vessel growth. These injections are commonly used to treat diabetic macular edema and advanced diabetic retinopathy.

**Q: Are Eye Injections Painful?**
A: Most patients are surprised by how comfortable retinal injections are. The eye is thoroughly numbed before treatment, and the procedure usually takes only a few minutes.

**Q: What Is Panretinal Photocoagulation (PRP) Laser?**
A: PRP laser treatment is used to reduce abnormal blood vessel growth in advanced diabetic retinopathy and lower the risk of severe vision loss.

**Q: What Is A Vitrectomy?**
A: A vitrectomy is a surgical procedure used to remove blood, scar tissue, or other abnormalities from inside the eye when diabetic retinopathy becomes advanced.

**Q: Can Diabetic Eye Disease Return After Treatment?**
A: Yes. Even after successful treatment, diabetic retinopathy can recur. Ongoing monitoring is essential.

**Q: Can Cataracts Develop Faster In Diabetics?**
A: Yes. Patients with diabetes often develop cataracts at an earlier age and may experience faster cataract progression.

**Q: Does Diabetes Increase The Risk Of Glaucoma?**
A: Yes. Patients with diabetes have a higher risk of glaucoma compared to the general population.

**Q: Why Does My Vision Change When My Blood Sugar Changes?**
A: Changes in blood sugar levels can temporarily alter the shape and focusing ability of the eye's natural lens, causing fluctuations in vision.

**Q: Why Is My Vision Blurry In The Morning?**
A: Blood sugar fluctuations, diabetic macular edema, dry eye disease, and other diabetes-related eye conditions can contribute to blurry morning vision.

**Q: Can Weight Loss Improve Diabetic Eye Health?**
A: Weight loss, improved nutrition, exercise, and better blood sugar control may help reduce the risk of diabetic eye complications and improve overall health.

**Q: Can GLP-1 Medications Such As Ozempic, Wegovy, Or Mounjaro Affect The Eyes?**
A: Rapid improvements in blood sugar can cause early changes in diabetic retinopathy — usually temporary, though patients with significant existing retinopathy need closer monitoring during the transition. Very rarely, semaglutide has also been associated with NAION, a form of optic nerve stroke, which is now noted in its labeling. Patients starting these medications should keep their regular eye exams and report any sudden vision change immediately.

**Q: What Is The Best Way To Prevent Diabetic Vision Loss?**
A: The best protection includes:
  - Annual dilated eye exams
  - Good blood sugar control
  - Blood pressure control
  - Cholesterol management
  - Regular medical care
  - Early treatment when needed

**Q: When Should I Call An Eye Doctor Immediately?**
A: Contact your ophthalmologist immediately if you experience:
  - Sudden vision loss
  - New floaters
  - Flashes of light
  - Dark spots
  - Distorted vision
  - A curtain or shadow in your vision
These symptoms may indicate a serious retinal problem requiring urgent treatment.

**Q: Why Choose May Eye Care Center For Diabetic Eye Care?**
A: At May Eye Care Center, we provide comprehensive diabetic eye examinations, advanced retinal imaging, diabetic retinopathy screening, diabetic macular edema evaluation, and coordinated care with primary care physicians and endocrinologists. Our goal is early detection, timely treatment, and preservation of vision for patients throughout Hanover, York, Gettysburg, Adams County, Carroll County, and surrounding communities.

### Macular degeneration (https://www.mayeyecare.com/macular-degeneration)

**Q: What Is Macular Degeneration?**
A: Macular degeneration is an age-related disease that damages the macula, the central part of the retina. AMD affects central vision while typically preserving peripheral (side) vision.
Full answer: https://www.mayeyecare.com/macular-degeneration/what-is-macular-degeneration

**Q: What Is The Difference Between AMD And ARMD?**
A: There is no difference. AMD (Age-Related Macular Degeneration) and ARMD (Age-Related Macular Degeneration) are two commonly used abbreviations for the same condition.

**Q: What Causes Macular Degeneration?**
A: The exact cause is not fully understood, but risk factors include:
  - Aging
  - Family history
  - Smoking
  - High blood pressure
  - Cardiovascular disease
  - Obesity
  - Poor diet
  - Excessive ultraviolet light exposure

**Q: Who Is At Risk For Macular Degeneration?**
A: Risk increases with:
  - Age over 50
  - Family history of AMD
  - Smoking
  - Caucasian race
  - High blood pressure
  - Elevated cholesterol
  - Obesity

**Q: Can Macular Degeneration Cause Blindness?**
A: AMD rarely causes complete blindness because peripheral vision is usually preserved. However, it can cause severe loss of central vision, making reading, driving, and facial recognition difficult.

**Q: What Are The Symptoms Of Macular Degeneration?**
A: Symptoms may include:
  - Blurry central vision
  - Distorted vision
  - Wavy lines
  - Difficulty reading
  - Difficulty recognizing faces
  - Dark spots in central vision
  - Needing brighter light to read

**Q: Why Do Straight Lines Look Wavy?**
A: Wavy or distorted vision is often a sign of macular disease and may indicate wet macular degeneration. Patients experiencing new distortion should seek prompt evaluation.
Full answer: https://www.mayeyecare.com/macular-degeneration/why-do-straight-lines-look-wavy

**Q: What Is An Amsler Grid?**
A: An Amsler Grid is a simple monitoring tool used to detect changes in central vision. Missing areas, distortion, or wavy lines may indicate progression of macular degeneration.

**Q: What Is Dry Macular Degeneration?**
A: Dry AMD is the most common form of macular degeneration. It develops gradually over time as retinal cells become damaged and drusen deposits accumulate beneath the retina.

**Q: What Are Drusen?**
A: Drusen are yellow deposits that form beneath the retina. Small drusen may be part of normal aging, while larger drusen are often associated with macular degeneration.

**Q: What Is Wet Macular Degeneration?**
A: Wet AMD occurs when abnormal blood vessels grow beneath the retina and leak fluid or blood. Wet AMD can cause rapid vision loss and often requires prompt treatment.

**Q: Is Wet AMD More Serious Than Dry AMD?**
A: Yes. Wet AMD can cause sudden and severe central vision loss if not treated promptly. Early diagnosis and treatment are critical.

**Q: Can Dry AMD Turn Into Wet AMD?**
A: Yes. Some patients with dry AMD eventually develop wet AMD. Regular eye examinations help detect these changes early.

**Q: Can Macular Degeneration Be Cured?**
A: Currently, there is no cure for AMD. However, treatments can slow progression and preserve vision in many patients.

**Q: Can Macular Degeneration Be Reversed?**
A: No. Vision loss caused by AMD is generally permanent. The goal of treatment is to preserve remaining vision and slow further progression.

**Q: How Is Macular Degeneration Diagnosed?**
A: Diagnosis may include:
  - Dilated retinal examination
  - Optical Coherence Tomography (OCT)
  - Retinal photography
  - Fluorescein angiography
  - Amsler Grid testing

**Q: What Is OCT Imaging?**
A: Optical Coherence Tomography (OCT) is an advanced retinal scan that creates detailed cross-sectional images of the retina and macula. OCT is one of the most important tools for diagnosing and monitoring AMD.

**Q: What Vitamins Help Macular Degeneration?**
A: Patients with intermediate or advanced dry AMD may benefit from AREDS2 vitamin supplements.
The AREDS2 formula contains:
  - Vitamin C
  - Vitamin E
  - Zinc
  - Copper
  - Lutein
  - Zeaxanthin
Patients should consult their ophthalmologist before starting supplements.

**Q: What Are AREDS2 Vitamins?**
A: AREDS2 vitamins are scientifically studied nutritional supplements shown to reduce the risk of progression from intermediate AMD to advanced AMD in appropriate patients.

**Q: Can Diet Affect Macular Degeneration?**
A: Yes. A healthy diet rich in leafy green vegetables, fish, fruits, and antioxidants may support retinal health and reduce progression risk.

**Q: Does Smoking Affect Macular Degeneration?**
A: Absolutely. Smoking is one of the strongest modifiable risk factors for AMD and significantly increases the likelihood of vision loss.
Quitting smoking is one of the most important steps patients can take to protect their vision.

**Q: Can Exercise Help Macular Degeneration?**
A: Regular exercise supports cardiovascular health and may help reduce progression risk through improved blood flow and overall health.

**Q: How Is Wet Macular Degeneration Treated?**
A: Treatment often includes anti-VEGF injections that reduce abnormal blood vessel growth and retinal swelling.

**Q: What Are Anti-VEGF Injections?**
A: Anti-VEGF medications help control abnormal blood vessel growth and leakage beneath the retina.
Common medications include:
  - Eylea
  - Vabysmo
  - Lucentis
  - Avastin
These treatments have dramatically improved outcomes for patients with wet AMD.

**Q: Are Macular Degeneration Injections Painful?**
A: Most patients tolerate retinal injections very well. The eye is thoroughly numbed before treatment, and the procedure typically takes only a few minutes.

**Q: How Often Will I Need Injections?**
A: Treatment frequency varies depending on the medication used and the severity of disease. Some patients require monthly treatment initially, while others may be treated less frequently over time.

**Q: Can I Drive With Macular Degeneration?**
A: Many patients continue driving safely during early stages of AMD. Driving ability depends on visual acuity, visual function, and state licensing requirements.

**Q: Can Macular Degeneration Affect Both Eyes?**
A: Yes. AMD commonly affects both eyes, although one eye may be affected earlier or more severely.

**Q: Is Macular Degeneration Hereditary?**
A: Yes. A family history of AMD increases your risk. Patients with affected parents or siblings should receive regular retinal examinations.

**Q: What Should I Do If I Notice Sudden Vision Changes?**
A: Contact your ophthalmologist immediately if you experience:
  - New distortion
  - Wavy lines
  - Dark spots
  - Sudden vision loss
  - Blurred central vision
Prompt evaluation is critical because wet AMD can progress rapidly.

**Q: What Is Geographic Atrophy?**
A: Geographic Atrophy (GA) is an advanced form of dry AMD in which retinal cells progressively die, creating areas of permanent vision loss.

**Q: Are There New Treatments For Geographic Atrophy?**
A: Yes. New FDA-approved treatments are available that may help slow the progression of Geographic Atrophy in selected patients.

**Q: Can Blue Light Cause Macular Degeneration?**
A: Current scientific evidence does not demonstrate that normal exposure to blue light from screens causes AMD. However, protecting eyes from excessive ultraviolet light remains important.

**Q: What Is The Best Way To Prevent Macular Degeneration?**
A: While AMD cannot always be prevented, risk may be reduced through:
  - Not smoking
  - Healthy diet
  - Blood pressure control
  - Cholesterol management
  - Regular exercise
  - UV protection
  - Regular eye examinations

**Q: Why Choose May Eye Care Center For Macular Degeneration Care?**
A: At May Eye Care Center, we provide comprehensive retinal evaluations, advanced OCT imaging, macular degeneration monitoring, AREDS2 counseling, early detection of wet AMD, and coordination of care for patients requiring retinal treatment. Our goal is to preserve vision and maintain quality of life for patients throughout Hanover, York, Gettysburg, Adams County, Carroll County, and surrounding communities.

### Dry eye (https://www.mayeyecare.com/dry-eye)

**Q: What Causes Dry Eye?**
A: Dry eye occurs when your eyes do not make enough tears, or the tears evaporate too quickly because of poor tear quality. Common causes include age, hormonal changes, extended screen use, contact lens wear, certain medications, and meibomian gland dysfunction — a blockage of the oil glands in the eyelids that leads to evaporative dry eye.

**Q: Why Do My Eyes Water If They Are Dry?**
A: It seems backwards, but watery eyes are a classic sign of dry eye. When the eye surface becomes dry and irritated, it triggers a reflex flood of tears. Those reflex tears lack the oil and mucus needed to coat the eye properly, so they spill over instead of relieving the dryness. Treating the underlying dryness usually reduces the watering.

**Q: What Are The Symptoms Of Dry Eye?**
A: Dry eye can feel like more than just dryness. Common symptoms include:
  - Gritty, sandy, or burning sensation
  - Stinging or redness
  - Watery eyes (reflex tearing)
  - Blurry vision that clears when you blink
  - Tired eyes, especially at the computer
  - Discomfort wearing contact lenses

**Q: Can Dry Eye Cause Blurry Vision?**
A: Yes. A healthy tear film is the first surface light passes through, so when it breaks up too quickly your vision can blur or fluctuate — often clearing briefly when you blink. Blurry vision that comes and goes throughout the day is a common dry eye symptom and a reason to be evaluated.
Full answer: https://www.mayeyecare.com/dry-eye/can-dry-eye-cause-blurry-vision

**Q: What Is The Best Treatment For Severe Dry Eye?**
A: There is no single best treatment — effective dry eye care is matched to the cause. We tailor a plan that may combine prescription and artificial tears, LipiFlow thermal pulsation for blocked oil glands, PROKERA amniotic tissue to heal the eye surface, and punctal plugs to keep your own tears on the eye longer. Severe or persistent dry eye should be evaluated rather than managed with drops alone.

**Q: What Is LipiFlow?**
A: LipiFlow is an in-office treatment for evaporative dry eye caused by meibomian gland dysfunction. It applies gentle, controlled heat and pulsation to the eyelids to clear blocked oil glands so they can release the oils that keep tears from evaporating too quickly. It targets the underlying cause rather than just the symptoms.

**Q: What Is PROKERA?**
A: PROKERA is an FDA-cleared treatment that uses amniotic membrane tissue to reduce inflammation and heal the surface of the eye. The tissue is held in a ring that sits on the eye like a contact lens for a few days. It is used for moderate to severe dry eye and other ocular surface conditions; in studies, the large majority of patients reported improvement.

**Q: Do Punctal Plugs Work?**
A: For many patients, yes. Punctal plugs are tiny, painless inserts placed in the eye’s tear drainage openings to keep your natural tears (and any drops) on the eye longer. They can be temporary (dissolving) or longer-lasting, are placed in minutes in the office, and can be removed if needed.

**Q: Why Are My Eyes Worse When Using A Computer Or Phone?**
A: People blink far less while staring at screens, which lets the tear film dry out and triggers dry eye symptoms by mid-afternoon. The "20-20-20" rule helps: every 20 minutes, look at something 20 feet away for 20 seconds, and blink fully. If screen-related dryness persists, an evaluation can identify whether gland dysfunction is contributing.

**Q: Can Dry Eye Damage My Eyes?**
A: Untreated, chronic dry eye can do more than cause discomfort — it can lead to inflammation and damage to the cornea (the clear front surface of the eye) and increase the risk of eye surface infections. The good news is that dry eye is very manageable when evaluated and treated, which is why ongoing symptoms are worth addressing.

**Q: Are Over-The-Counter Eye Drops Enough For Dry Eye?**
A: Artificial tears help mild, occasional dryness, and preservative-free drops are gentler for frequent use. But drops only soothe symptoms — they do not treat causes like meibomian gland dysfunction. If you rely on drops several times a day or symptoms persist, a tailored treatment plan usually works better than drops alone.

**Q: Why Choose May Eye Care Center For Dry Eye Treatment?**
A: At May Eye Care Center, we treat the cause of dry eye rather than masking it, with evidence-based options including PROKERA amniotic tissue, LipiFlow thermal pulsation, punctal plugs, and customized tear regimens. We build a plan around your specific type of dry eye for patients throughout Hanover, York, Gettysburg, Adams County, and Carroll County, MD.

## Patient question library (227 medically reviewed answers)

> Each answer below is the practice-authored direct answer from its page. Every page is medically reviewed, cites AAO/NEI-class sources, and many include Dr. May's patient-education video. Index: https://www.mayeyecare.com/questions

### cataract surgery (https://www.mayeyecare.com/cataract-surgery)

**Q: What Are the Best Cataract Lenses: Monofocal, Toric, EDOF, or Multifocal?**
A: The best cataract lens depends on the patient’s eye health and visual priorities. Monofocal lenses are dependable for one main distance, toric lenses reduce astigmatism, EDOF lenses extend range especially for intermediate tasks, and multifocal lenses may provide more near vision but can create more glare, halos, or contrast tradeoffs in some patients. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Intraocular lens selection is one of the most important decisions in cataract surgery. Monofocal lenses, toric lenses, EDOF lenses, multifocal lenses, and other advanced implants each solve different problems and create different tradeoffs. No lens is perfect for every eye. Dry eye, corneal irregularity, macular disease, glaucoma, pupil size, night driving needs, and personality all matter. A careful lens discussion should be brutally honest: the goal is the best match for the patient, not the most expensive technology. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/best-cataract-lenses-monofocal-toric-edof-multifocal  (includes video)

**Q: Can an intraocular lens implant become displaced?**
A: Yes, though it is uncommon. An intraocular lens (IOL) can shift, tilt, or dislocate when the capsule or the tiny fibers that support it weaken from trauma, inflammation, prior surgery, connective-tissue disorders, or conditions like pseudoexfoliation. This can happen weeks to years after surgery. Warning signs include blurred or double vision, glare, or seeing the edge of the lens. Don't dismiss these as needing new glasses; a dilated exam determines whether observation, laser, glasses, or surgery is right.
Dr. May: An intraocular lens implant can rarely become displaced, especially when the supporting capsule or zonules weaken from trauma, pseudoexfoliation, prior surgery, or other eye disease. Symptoms can include blurred vision, glare, double images, edge glare, or a sense that vision shifts. This is not something to ignore or assume is just a glasses change. A dilated exam can determine whether the lens is stable, tilted, decentered, or dislocated and whether observation, laser, glasses, or surgery is appropriate. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/can-an-intraocular-lens-implant-become-displaced  (includes video)

**Q: Can Cataract Surgery Fix Astigmatism?**
A: Yes, cataract surgery can often reduce astigmatism when the astigmatism is regular and comes mainly from the cornea. Options may include a toric intraocular lens, limbal relaxing incisions, arcuate laser incisions, or glasses after surgery. The right approach depends on corneal measurements and patient goals. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/can-cataract-surgery-fix-astigmatism

**Q: Can Cataracts Come Back After Surgery?**
A: A true cataract does not come back after cataract surgery because the cloudy natural lens has been removed. However, the thin capsule that holds the lens implant can become cloudy later; this is called posterior capsule opacification, or PCO, and it is often treated with a YAG laser capsulotomy. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/can-cataracts-come-back-after-surgery

**Q: Can UV Rays cause Cataracts?**
A: Yes — long-term ultraviolet exposure is a well-established contributor to cataracts. The cornea and the natural lens absorb nearly all of the sun’s UV before it can reach the retina, and years of that absorbed energy help cloud the lens. UV protection is one of the few cataract risk factors you can control: wear sunglasses that block 99–100% of UVA and UVB, add a brimmed hat outdoors, and protect children’s eyes too — the damage accumulates over a lifetime, even on cloudy days.
Dr. May: Ultraviolet light exposure is one of several factors associated with cataract formation, along with age, genetics, smoking, diabetes, steroid use, trauma, and other medical conditions. Sunglasses are not vanity; good UV protection is a practical long-term eye-health habit. I recommend quality sunglasses and a brimmed hat outdoors, especially in bright conditions. Protection will not stop aging of the lens completely, but reducing unnecessary UV exposure is a sensible step for patients who want to preserve eye health over decades. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/can-uv-rays-cause-cataracts  (includes video)

**Q: Do I Still Need Glasses After Cataract Surgery?**
A: You may still need glasses after cataract surgery, depending on the lens implant, astigmatism, healing, other eye conditions, and your visual goals. Standard monofocal lenses usually provide best focus at one distance, so many patients still use reading glasses or glasses for certain tasks. Advanced lenses can reduce glasses dependence but cannot guarantee total freedom from glasses. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Whether you need glasses after cataract surgery depends on your eye measurements, corneal astigmatism, lens implant selection, healing, and visual goals. A standard monofocal lens usually gives excellent focus at one distance, but glasses may still be needed for reading or intermediate tasks. Toric, EDOF, multifocal, and monovision strategies can reduce dependence on glasses, but each has tradeoffs. The best conversation is not “Can I get rid of glasses?” but “Which visual range matters most to me, and what compromises am I willing to accept?” At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/do-i-still-need-glasses-after-cataract-surgery  (includes video)

**Q: Does Cataract Surgery Hurt? What Will I Feel During Surgery?**
A: Cataract surgery should not be sharply painful. Most patients feel light, pressure, fluid, or mild awareness, but the eye is numbed so pain is minimized. If a patient feels significant discomfort during surgery, they should tell the surgical team immediately. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/does-cataract-surgery-hurt-what-will-i-feel-during-surgery

**Q: Does Every Cataract Need Surgery?**
A: No. Not every cataract needs surgery right away. Cataract surgery is usually recommended when the cataract interferes with daily activities, causes unsafe glare or night-driving problems, prevents adequate vision despite glasses, or blocks the doctor’s ability to monitor or treat the retina. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/does-every-cataract-need-surgery

**Q: How Do I Choose the Best Lens Implant for Cataract Surgery?**
A: The best lens implant for cataract surgery depends on your eye health, astigmatism, retina and optic nerve status, prior eye surgery, lifestyle, and how much you want to reduce dependence on glasses. There is no single best IOL for everyone; the best choice is the safest lens that fits your eyes and goals. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/how-do-i-choose-the-best-lens-implant-for-cataract-surgery

**Q: How Do I Know If I Have a Cataract?**
A: You know you have a cataract by having a comprehensive eye examination, not by symptoms alone. An ophthalmologist diagnoses cataracts by checking vision, examining the lens with a slit-lamp microscope, dilating the eye, and making sure the retina, optic nerve, cornea, and eye pressure are also evaluated. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/how-do-i-know-if-i-have-a-cataract

**Q: How Is Cataract Surgery Performed?**
A: Cataract surgery is usually an outpatient procedure in which the cloudy natural lens is removed and replaced with a clear artificial lens implant. The most common method uses tiny incisions, ultrasound energy to break up the cloudy lens, and placement of an intraocular lens inside the eye. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Cataract surgery removes the cloudy natural lens and replaces it with a clear artificial lens implant. Modern cataract surgery is usually outpatient, but it is still real microsurgery and deserves careful planning. The most important parts happen before the operation: measuring the eye, choosing the right lens implant, treating dry eye if present, and reviewing retina, cornea, and glaucoma risk. A good cataract outcome is not just removing the cataract; it is matching the surgical plan to the patient’s eye and visual goals. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/how-is-cataract-surgery-performed  (includes video)

**Q: How Long Does It Take to See Clearly After Cataract Surgery?**
A: Many patients notice clearer vision within a few days after cataract surgery, sometimes even within 24 to 48 hours, but healing varies. Final vision can take several weeks, especially if there is corneal swelling, dry eye, inflammation, astigmatism, retina disease, or the eye is still adjusting. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/how-long-does-it-take-to-see-clearly-after-cataract-surgery

**Q: How Much Does Cataract Surgery Cost and Does Insurance Cover It?**
A: Cataract surgery is usually covered by Medicare and many medical insurance plans when it is medically necessary, but deductibles, copays, facility fees, anesthesia, and premium lens upgrades can affect out-of-pocket cost. Standard cataract surgery with a conventional intraocular lens is different financially from elective upgrades such as advanced technology lenses or certain refractive services. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/how-much-cataract-surgery-cost-insurance-cover

**Q: How should you prepare for Cataract surgery?**
A: Good preparation starts well before the day itself. Complete your measurements and paperwork, review your medications, treat any dry eye, and follow your drop instructions exactly, since some drops may begin before surgery. Arrange a ride home because you cannot drive after sedation, avoid makeup, perfume, and jewelry, and don't eat or drink that morning unless told otherwise. Know which eye is being treated and which lens was chosen, and ask any questions ahead of time rather than on surgery day.
Dr. May: Preparing for cataract surgery means more than showing up on the day of the procedure. Patients should complete their measurements, review medications, control dry eye, follow drop instructions, arrange transportation, and understand which eye is being treated and which lens implant was selected. Good preparation reduces anxiety and prevents avoidable problems. I also want patients to ask questions before surgery day, not afterward. Cataract surgery is brief, but the planning is what makes it safe, precise, and personalized. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/how-should-you-prepare-for-cataract-surgery  (includes video)

**Q: How should you use your drops following Cataract surgery?**
A: After cataract surgery, your drops reduce inflammation, prevent infection, and support comfortable healing. You'll typically use an antibiotic for about a week plus one or two anti-inflammatory drops for several weeks, but schedules vary, so follow your surgeon's written instructions exactly rather than relying on memory. The two most common mistakes are stopping early because the eye feels fine and applying drops so the medicine never reaches the eye. If the eye becomes more painful, very red, light-sensitive, or vision worsens, call promptly.
Dr. May: Postoperative drops are used to reduce inflammation, prevent infection, and support comfortable healing after cataract surgery. The exact schedule may vary, so patients should follow the written instructions from their surgeon rather than relying on memory. The two biggest mistakes are stopping drops early because the eye feels good or using them incorrectly so the medication never reaches the eye. If the eye becomes increasingly painful, very red, light-sensitive, or vision worsens, call promptly—those are not symptoms to ignore. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/how-should-you-use-your-drops-following-cataract-surgery  (includes video)

**Q: Is Cataract Surgery Safe? What Are the Risks?**
A: Cataract surgery is one of the most common and effective surgeries performed, but it is still real eye surgery and has risks. Most patients do well, but possible complications include infection, inflammation, bleeding, swelling, pressure changes, posterior capsule opacification, retinal detachment, and vision that does not meet expectations because of other eye disease. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Cataract surgery is highly successful, but no surgery is risk-free. Possible complications include infection, inflammation, bleeding, corneal swelling, pressure spikes, retinal tear or detachment, retained lens material, capsule rupture, lens implant issues, and persistent visual symptoms. The risk is low for most patients, but it is not zero. The safest approach is careful preoperative evaluation, honest discussion of eye-specific risks, and close follow-up. Patients should report worsening pain, redness, flashes, floaters, or sudden vision loss immediately. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/is-cataract-surgery-safe-what-are-the-risks  (includes video)

**Q: Is Laser Cataract Surgery Better Than Traditional Cataract Surgery?**
A: Laser cataract surgery is not automatically better for every patient, but it can be useful in selected cases. A femtosecond laser can help create incisions, soften the cataract, make a precise capsulotomy, and assist with astigmatism treatment, but final results still depend on the surgeon, the eye, the lens implant, measurements, and healing. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Laser cataract surgery can add precision to specific steps, such as corneal incisions, lens capsule opening, and softening the cataract before removal. It is not magic, and it does not make every patient glasses-free, but it can be useful in the right eye and with the right surgical goals. The honest discussion is whether laser assistance adds value for that patient’s anatomy, cataract density, astigmatism plan, and lens choice. The best cataract surgery is individualized, not sold as a slogan. This is part of the MECCA of Eye Care approach: clear cataract education, careful measurements, realistic expectations, and a trusted place for patients across South Central Pennsylvania and nearby Maryland to return for yearly eye care.
URL: https://www.mayeyecare.com/cataract-surgery/laser-cataract-surgery-better-than-traditional-cataract  (includes video)

**Q: What are the potential short-term side effects of cataract surgery?**
A: In the first days and weeks, it's common to have mild blurring, scratchiness, dryness, light sensitivity, tearing, glare or halos, a bloodshot eye, or fluctuating vision as the eye heals and settles. Most of this improves within a few months, though full comfort can take up to a year. Certain symptoms are not routine: increasing pain, worsening redness, a sudden drop in vision, or new flashes, floaters, or a curtain in your side vision need urgent evaluation, so call rather than wait.
Dr. May: Short-term symptoms after cataract surgery can include mild blur, scratchiness, light sensitivity, tearing, glare, or fluctuating vision. Many of these improve as the eye heals and the surface stabilizes. But increasing pain, worsening redness, sudden drop in vision, new flashes or floaters, or a curtain in the vision are warning signs that need urgent evaluation. Patients should not self-diagnose after surgery. Most healing is routine, but the rare serious problem must be caught early. At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/potential-short-term-side-effects-cataract-surgery  (includes video)

**Q: Should you treat Dry Eye before Cataract surgery?**
A: Yes, treating dry eye first genuinely matters. The tear film is the eye's first focusing surface, so if it is unstable, the measurements used to choose your lens implant become less reliable, and you may be disappointed even after a technically perfect surgery. Treating dryness, blepharitis, or meibomian gland problems beforehand, often with drops, supplements, or lid care, improves comfort and gives us more accurate numbers. A healthy ocular surface gives your surgery the best chance of delivering the vision you expect.
Dr. May: Dry eye should be taken seriously before cataract surgery because the tear film is the first optical surface of the eye. If the surface is unstable, measurements used to select the lens implant can be less reliable, and patients may be disappointed even after technically successful surgery. Treating dryness, blepharitis, or meibomian gland disease before surgery improves comfort and helps us obtain better measurements. In practical terms: a healthy ocular surface gives cataract surgery a better chance of delivering the visual result the patient expects. At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/should-you-treat-dry-eye-before-cataract-surgery  (includes video)

**Q: What are the benefits of cataract surgery?**
A: Cataract surgery replaces your clouded lens with a clear artificial one, and the benefits go beyond the eye chart. Many people regain sharper contrast, brighter colors, better depth perception, and less glare, which helps with night driving, reading, balance, and confidence. It is one of the most common and safe procedures performed. However, it cannot fix everything; conditions like macular degeneration, glaucoma, or diabetic eye disease can limit results, so a complete exam first confirms the cataract is really what's holding your vision back.
Dr. May: Cataract surgery can improve more than the eye chart. Patients often function better because they see contrast, color, depth, and glare more normally. That can affect night driving, reading, balance, independence, and confidence. However, cataract surgery cannot fix every vision problem. Macular degeneration, diabetic retinopathy, glaucoma, corneal disease, and dry eye can limit the result. That is why a complete preoperative exam is essential: we need to know whether the cataract is truly the main reason vision is down. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/what-are-the-benefits-of-cataract-surgery  (includes video)

**Q: What Are the Symptoms of Cataracts?**
A: The most common cataract symptoms are blurry or cloudy vision, glare, halos around lights, faded colors, trouble seeing at night, and frequent changes in glasses prescription. Cataracts usually worsen slowly, so many patients do not realize how much vision they have lost until daily tasks become harder. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/what-are-the-symptoms-of-cataracts

**Q: What Are the Warning Signs After Cataract Surgery?**
A: The major warning signs after cataract surgery are worsening eye pain, increasing redness, sudden or worsening vision loss, new flashes or floaters, a curtain or shadow in vision, significant discharge, severe light sensitivity, or nausea with eye pain. These symptoms should be reported urgently to the eye surgeon or emergency care system. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/what-are-the-warning-signs-after-cataract-surgery

**Q: What Is a Cataract and Why Does It Happen?**
A: A cataract is a clouding of the natural lens inside the eye. It most often happens from normal aging, but it can also be related to diabetes, eye injury, steroid medication, smoking, excess ultraviolet exposure, inflammation, or prior eye surgery. Cataracts are not a film growing over the eye; they are a change inside the lens itself. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: A cataract is a clouding of the eye’s natural lens, and it is one of the most common reasons adults notice glare, halos, faded colors, or blurry vision. Cataracts are not a film growing over the eye; they are inside the eye. Glasses may help early, but once the lens becomes too cloudy, cataract surgery is the definitive treatment. The timing should be based on how much the cataract interferes with driving, reading, work, hobbies, and quality of life—not just age alone. At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-a-cataract-and-why-does-it-happen  (includes video)

**Q: What is a Cortical Cataract?**
A: A cortical cataract forms in the cortex — the outer layer of the lens — beginning as small wedge- or spoke-shaped opacities at the edge that slowly work inward toward the center. Because the spokes scatter light, glare from headlights and bright sunlight is often the first complaint, along with hazy or washed-out vision. Cortical cataracts are common with age and somewhat more common with diabetes. When they begin interfering with driving, reading, or daily activities, cataract surgery replaces the clouded lens with a clear implant.
Dr. May: A cortical cataract forms in the outer layers of the lens and often creates spoke-like opacities that scatter light. Patients may complain of glare, halos, trouble with headlights, or vision that seems worse in certain lighting conditions. The decision for surgery is based on symptoms, exam findings, and how much the cataract affects daily life. Cortical cataracts are a good reminder that cataracts do not all behave the same way; location and pattern matter, not just the word “cataract.” At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-a-cortical-cataract  (includes video)

**Q: What is a Nuclear Cataract?**
A: A nuclear cataract — the most common type — forms in the nucleus, the central core of the lens, which gradually hardens and yellows with age. Vision typically dims slowly over years: distance vision blurs, colors fade, and night driving becomes harder. Some people briefly read better without glasses as the lens changes (“second sight”) before vision declines again. When it starts interfering with daily life, surgery to replace the clouded lens with a clear implant is the definitive treatment.
Dr. May: A nuclear cataract forms in the center of the lens and often develops slowly with age. It can cause yellowing of vision, glare, reduced contrast, and sometimes a temporary shift toward nearsightedness that makes reading seem easier for a while. That improvement is not a cure; it is a refractive change from the hardening lens. When nuclear cataracts begin to impair driving, reading, or daily function, cataract surgery can replace the cloudy lens with a clear implant and restore better optical clarity. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-a-nuclear-cataract  (includes video)

**Q: What is a Posterior Subcapsular Cataract?**
A: A posterior subcapsular cataract is a small cloudy area at the very back center of the lens, right in your line of sight. Because of that location, it often causes glare, halos, and reading trouble that feel out of proportion to how the eye looks, and it can worsen over months rather than years. It's linked to steroid use, diabetes, inflammation, and injury, so it can appear in younger people. When it interferes with daily life, cataract surgery may be appropriate.
Dr. May: A posterior subcapsular cataract often causes glare and reading difficulty out of proportion to what patients expect from the word “cataract.” It forms near the back center of the lens, directly in the line of sight, so bright lights and night driving can become very difficult. These cataracts can progress faster than typical age-related cataracts and may occur with steroid use, diabetes, inflammation, or trauma. If symptoms are interfering with daily function, cataract surgery may be appropriate even when the patient is not very old. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-a-posterior-subcapsular-cataract  (includes video)

**Q: What is Dysfunctional Lens Syndrome?**
A: Dysfunctional Lens Syndrome is the gradual age-related decline of the natural lens before a true cataract forms. The lens slowly stiffens (making reading harder — presbyopia), scatters more light (glare and reduced contrast, especially at night), and eventually clouds. Early on, glasses or contact lenses help; later, lens-based surgery — refractive lens exchange, or cataract surgery once a cataract has formed — replaces the aging lens with a clear implant. An exam shows which stage your lens has reached and which options fit your goals.
Dr. May: Dysfunctional lens syndrome is the gradual loss of lens clarity and focusing ability before a cataract becomes obviously advanced. Patients may notice glare, poor night vision, reduced contrast, or trouble shifting focus even though they are told the cataract is “not that bad.” This concept helps explain why some people feel visually frustrated before traditional cataract criteria are met. The key is a complete exam to determine whether symptoms are coming from the lens, dry eye, cornea, retina, or optic nerve. For patients researching cataract surgery, the key is this: the best cataract plan depends on the whole eye, not just the cloudy lens, and the safest recommendation comes from a complete ophthalmology exam. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-dysfunctional-lens-syndrome  (includes video)

**Q: What Is YAG Laser After Cataract Surgery?**
A: YAG laser after cataract surgery is a laser treatment called posterior capsulotomy. It is used when the clear capsule behind the lens implant becomes cloudy, causing posterior capsule opacification. The laser creates a small opening in the cloudy capsule so light can pass more clearly to the retina. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: A YAG laser capsulotomy treats clouding of the capsule behind the lens implant after cataract surgery. Patients often call this a “secondary cataract,” but the cataract itself does not grow back. The cloudy capsule can cause blur, glare, or hazy vision months or years after surgery. YAG is usually quick and effective, but it still requires an eye exam to confirm the diagnosis and rule out other causes of decreased vision, such as macular disease, dry eye, glaucoma, or retinal problems. At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/what-is-yag-laser-after-cataract-surgery  (includes video)

**Q: What Should I Not Do After Cataract Surgery?**
A: After cataract surgery, you should not rub the eye, swim, expose the eye to dirty water, ignore prescribed drops, perform strenuous activity without permission, or dismiss warning symptoms such as worsening pain, redness, sudden vision loss, flashes, floaters, or a curtain in vision. Follow your surgeon’s specific instructions because restrictions vary. This article is educational and does not replace a complete eye examination by a medical professional.
Dr. May: Restrictions after cataract surgery are designed to protect the eye while the incision seals and inflammation settles. Patients are usually told to avoid rubbing the eye, dirty water exposure, heavy straining, and high-risk activity early in recovery. The exact restrictions depend on the surgeon’s technique and the patient’s eye. Most patients resume light activity quickly, but common sense matters. If something causes pressure, contamination risk, or trauma risk, it is probably not worth doing during the early healing period. At May Eye Care Center in Hanover, PA, cataract evaluation is built around the patient’s real life—driving, reading, glare, hobbies, eye health, and lens goals—not a generic one-size-fits-all answer.
URL: https://www.mayeyecare.com/cataract-surgery/what-should-i-not-do-after-cataract-surgery  (includes video)

**Q: When Can I Drive After Cataract Surgery?**
A: You can drive after cataract surgery only when your surgeon clears you and your vision is legally and practically safe. You should not drive yourself home from surgery. Many patients are assessed the next day or soon after, but timing depends on vision, comfort, glare, depth perception, and whether the other eye still has a cataract. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/when-can-i-drive-after-cataract-surgery

**Q: Why Is My Vision Blurry After Cataract Surgery?**
A: Blurry vision after cataract surgery can be normal early in healing, but it can also signal a problem depending on timing and associated symptoms. Common causes include dilation, corneal swelling, dry eye, inflammation, glasses prescription change, posterior capsule opacification, macular swelling, or other eye disease. This article is educational and does not replace a complete eye examination by a medical professional.
URL: https://www.mayeyecare.com/cataract-surgery/why-is-my-vision-blurry-after-cataract-surgery

### cornea (https://www.mayeyecare.com/cornea)

**Q: Can Keratoconus Be Treated?**
A: Yes, keratoconus can be treated, and today it can usually be managed very effectively. The approach is matched to severity: glasses or soft contacts for mild cases, rigid or scleral contact lenses as the cornea steepens, and corneal collagen cross-linking to halt progression when the disease is active. Corneal implants (Intacs) can improve the shape in selected eyes, and a corneal transplant is reserved for advanced, scarred corneas. The key point is that early treatment can stop keratoconus from getting worse and protect vision.
URL: https://www.mayeyecare.com/cornea/can-keratoconus-be-treated

**Q: How Long Does a Scratched Cornea Take to Heal?**
A: Most scratched corneas heal quickly. A small, uncomplicated corneal abrasion usually resurfaces within 24 to 72 hours, with comfort improving noticeably each day. Larger scratches may take several days longer, and the eye can stay slightly sensitive for a week or two after the surface has closed. Healing that stalls, or pain that worsens after the first day, suggests a complication and should be checked.
URL: https://www.mayeyecare.com/cornea/how-long-does-a-scratched-cornea-take-to-heal

**Q: What Is a Corneal Abrasion?**
A: A corneal abrasion is a scratch or scrape on the clear front surface of the eye (the cornea). Because the cornea is packed with nerve endings, even a shallow scratch is genuinely painful and causes tearing, light sensitivity, redness, and the feeling that something is stuck in the eye. Most small abrasions heal on their own within a few days, but a painful, scratched eye should be examined to rule out a retained foreign body, infection, or a deeper injury.
URL: https://www.mayeyecare.com/cornea/what-is-a-corneal-abrasion

**Q: What Is a Pinguecula?**
A: A pinguecula is a benign, yellowish bump or patch on the white of the eye, usually on the side nearest the nose. It is a harmless, sun-related change in the surface tissue and is not cancer and does not grow onto the cornea. Most cause no more than occasional dryness, irritation, or redness. Unlike a pterygium, a pinguecula stays on the white of the eye and does not threaten vision, so it is typically just monitored and kept comfortable with lubrication.
URL: https://www.mayeyecare.com/cornea/what-is-a-pinguecula

**Q: What Is a Pterygium?**
A: A pterygium is a benign, wedge-shaped growth of fleshy tissue that starts on the white of the eye and can extend onto the clear cornea. It is not cancer. It is linked to long-term exposure to ultraviolet light, wind, and dust, which is why it is common in people who spend a lot of time outdoors. Most pterygia cause only redness, dryness, and irritation, but a growth that reaches across the cornea can distort vision and may need to be removed.
URL: https://www.mayeyecare.com/cornea/what-is-a-pterygium

**Q: What Is Corneal Cross-Linking?**
A: Corneal cross-linking is a minimally invasive treatment that strengthens the cornea to stop keratoconus and similar corneal-weakening conditions from getting worse. Riboflavin (vitamin B2) drops are applied to the cornea and then activated with ultraviolet light, which creates new bonds between the cornea's collagen fibers and stiffens the tissue. It is designed to halt progression, not to reverse the shape or replace glasses, and it works best when the condition is caught early, before the cornea has steepened and scarred.
Dr. May: Corneal cross-linking is designed to strengthen the cornea in progressive keratoconus or certain corneal weakening disorders. It is not primarily a vision-sharpening procedure; its main purpose is to slow or stop progression. Patients may still need glasses, specialty contacts, or other visual rehabilitation afterward. The best time to diagnose keratoconus is before the cornea becomes severely distorted. That is why frequent prescription changes, increasing astigmatism, ghosting, or a family history should prompt corneal imaging, not just stronger glasses. For patients across Hanover, York, South Central Pennsylvania, and nearby Maryland, the MECCA of Eye Care concept means having a trusted destination for cornea education, monitoring, and timely referral when advanced treatment is needed.
URL: https://www.mayeyecare.com/cornea/what-is-corneal-cross-linking  (includes video)

**Q: What is Fuchs Dystrophy?**
A: Fuchs’ dystrophy is an inherited condition of the cornea’s inner pumping layer, the endothelium. Those pump cells keep the cornea thin and clear, and they do not regenerate — so as they decline, fluid builds up and the cornea swells. The classic early symptom is blurry, foggy morning vision that clears as the day goes on. It usually appears after age 50 and progresses slowly. Mild cases are managed with salt-based drops; advanced cases respond very well to modern partial-thickness corneal transplants such as DMEK. Regular monitoring guides the timing.
Dr. May: Fuchs dystrophy affects the corneal endothelium, the cell layer that pumps fluid out of the cornea. When those cells fail, the cornea can swell and vision may be worse in the morning, hazy, or glare-prone. Early Fuchs can be monitored; advanced Fuchs may require corneal transplant procedures such as endothelial keratoplasty. It is especially important to identify Fuchs before cataract surgery because cataract surgery can stress the cornea. Planning ahead helps prevent surprises after surgery. At May Eye Care Center, corneal disease is approached with careful diagnosis, imaging, and long-term follow-up, because the cornea is the eye’s front optical window and small changes can create major visual symptoms.
URL: https://www.mayeyecare.com/cornea/what-is-fuchs-dystrophy  (includes video)

**Q: What Is Keratitis?**
A: Keratitis is inflammation of the cornea, the clear front window of the eye. It can be caused by infection (bacteria, viruses, fungi, or a parasite called Acanthamoeba) or by non-infectious triggers such as dry eye, injury, or overworn contact lenses. Infectious keratitis, especially the contact-lens-related kind, is potentially sight-threatening: a painful, red, light-sensitive eye with blurred vision needs same-day evaluation, because a corneal ulcer can scar the eye permanently within days.
URL: https://www.mayeyecare.com/cornea/what-is-keratitis

**Q: What Is Keratoconus?**
A: Keratoconus is a progressive condition in which the cornea, the clear dome at the front of the eye, gradually thins and bulges outward into a cone shape. That irregular shape distorts light and causes blurred, often worsening vision, along with light sensitivity, glare, and trouble seeing at night. It usually begins in the teens to mid-twenties, tends to run in families, and can range from mild to severe. Modern treatment can halt its progression when it is caught early, which is why timely diagnosis matters.
Dr. May: Keratoconus is a progressive weakening and steepening of the cornea that can cause irregular astigmatism, blur, glare, ghosting, and frequent prescription changes. It often begins in younger patients and can be worsened by eye rubbing. Glasses or contacts may help vision, but they do not stop progression. The most important step is early detection with corneal topography or tomography. If progression is documented, corneal cross-linking may help stabilize the cornea and reduce the risk of needing a corneal transplant later. At May Eye Care Center, corneal disease is approached with careful diagnosis, imaging, and long-term follow-up, because the cornea is the eye’s front optical window and small changes can create major visual symptoms.
URL: https://www.mayeyecare.com/cornea/what-is-keratoconus  (includes video)

**Q: What Is Recurrent Corneal Erosion?**
A: Recurrent corneal erosion is a condition where the outer skin of the cornea (the epithelium) repeatedly breaks loose because it never bonded firmly to the layer beneath it. It typically follows a past scratch, especially from a fingernail or paper, or occurs with a corneal dystrophy. The hallmark is sudden, sharp pain, tearing, and light sensitivity, classically on first opening the eyes in the morning, that recurs over weeks to months. It is not dangerous to sight in most cases but can be very disruptive, and it is treatable.
URL: https://www.mayeyecare.com/cornea/what-is-recurrent-corneal-erosion

**Q: What surgery treats Fuchs' dystrophy?**
A: When Fuchs’ dystrophy causes persistent swelling and blurred vision, the modern treatment is endothelial keratoplasty — replacing only the cornea’s thin inner pump layer rather than the whole cornea. DMEK (and the closely related DSEK) transplants a wafer of healthy donor endothelium through a small incision, typically giving faster recovery, better vision, and lower rejection risk than an old-style full-thickness transplant. Timing depends on your symptoms and the health of the rest of the eye, and it is often coordinated with cataract surgery when both are needed.
Dr. May: Surgery for Fuchs dystrophy usually means replacing the failing inner corneal cell layer, most commonly with endothelial keratoplasty procedures such as DMEK or DSAEK. In some patients, cataract surgery and corneal surgery may be staged or combined depending on cataract severity and corneal status. The decision requires careful measurement of corneal thickness, endothelial function, visual symptoms, and lens status. Patients should understand that the goal is to restore corneal clarity, but healing and visual recovery vary by procedure and eye. For patients across Hanover, York, South Central Pennsylvania, and nearby Maryland, the MECCA of Eye Care concept means having a trusted destination for cornea education, monitoring, and timely referral when advanced treatment is needed.
URL: https://www.mayeyecare.com/cornea/what-surgery-treats-fuchs-dystrophy  (includes video)

**Q: Why Does My Eye Feel Like Something Is in It?**
A: The sensation that something is in your eye, when nothing is visible, usually comes from the cornea or the surface of the eye rather than an actual object. The cornea is densely supplied with nerves, so a scratch, dryness, a tiny trapped particle under the lid, an inflamed surface, or a recurrent erosion can all produce a convincing foreign-body feeling. If the sensation is severe, follows an injury, or comes with a red painful eye and light sensitivity, it should be examined.
URL: https://www.mayeyecare.com/cornea/why-does-my-eye-feel-like-something-is-in-it

### diabetic eye disease (https://www.mayeyecare.com/diabetic-eye-disease)

**Q: Can Diabetic Eye Disease Be Reversed?**
A: Some diabetic eye findings can improve with better control and treatment, but advanced damage may not fully reverse. The best strategy is early detection before vision loss occurs. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/can-diabetic-eye-disease-be-reversed

**Q: How Does Diabetes Affect the Eyes?**
A: Diabetes can damage retinal blood vessels and increase the risk of diabetic retinopathy, macular edema, cataract, and glaucoma. Early disease may have no symptoms, making regular dilated eye exams essential. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/how-does-diabetes-affect-the-eyes

**Q: How Often Should Diabetics Get an Eye Exam?**
A: Most people with diabetes need a comprehensive dilated eye exam at least once a year, though some patients need more frequent monitoring. The schedule depends on retinopathy stage, macular edema, pregnancy, and systemic control. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/how-often-should-diabetics-get-an-eye-exam

**Q: What Is Diabetic Macular Edema?**
A: Diabetic macular edema is swelling in the macula, the central retina used for reading and detail vision. It is a major cause of blurry vision in people with diabetic retinopathy. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/what-is-diabetic-macular-edema

**Q: What Is Diabetic Retinopathy?**
A: Diabetic retinopathy is damage to the retinal blood vessels caused by diabetes. It can cause leakage, bleeding, swelling, abnormal new vessels, and vision loss, especially if not detected and treated early. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/what-is-diabetic-retinopathy

**Q: Why Is My Vision Blurry When My Blood Sugar Changes?**
A: Blood sugar changes can temporarily alter the lens and focusing system of the eye, causing fluctuating blur. Diabetes can also cause retinal swelling or bleeding, so persistent blur needs an eye exam. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/diabetic-eye-disease/why-is-my-vision-blurry-when-my-blood-sugar-changes

### dry eye (https://www.mayeyecare.com/dry-eye)

**Q: Can Dry Eye Cause Blurry Vision?**
A: Yes. Dry eye can cause blurry vision because the tear film is the first focusing surface of the eye. When tears break up between blinks, vision can fluctuate, especially during reading, computer work, driving, or watching television. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/can-dry-eye-cause-blurry-vision

**Q: Could Eyelash Mites Be Causing My Itchy or Red Eyelids?**
A: Yes. Demodex mites live around eyelashes in many adults, but overgrowth can contribute to itching, redness, crusting, cylindrical dandruff at the lash base, and chronic blepharitis. An eye exam can identify whether Demodex is part of the problem. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/could-eyelash-mites-be-causing-my-itchy-or-red-eyelids

**Q: How Can I Tell If My Red Eyes Are Allergies or an Infection?**
A: Allergies usually cause itching, tearing, and symptoms in both eyes; infection may cause discharge, crusting, and irritation, and often follows contact with someone who has pink eye. Pain, light sensitivity, or blurred vision suggests something more serious. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/how-can-i-tell-if-my-red-eyes-are-allergies-or-an-infection

**Q: What Are the Best Eye Drops for Dry Eyes?**
A: For many patients, preservative-free artificial tears are the safest first choice for dry eye. But there is no single best drop for everyone. Redness-reliever drops are usually the wrong choice for chronic dryness, and persistent symptoms deserve an ophthalmic evaluation. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/what-are-the-best-eye-drops-for-dry-eyes

**Q: What Is Meibomian Gland Dysfunction?**
A: Meibomian gland dysfunction, or MGD, means the oil glands in the eyelids are not releasing healthy oil into the tear film. Without enough oil, tears evaporate quickly and the eyes burn, water, blur, or feel gritty. MGD is one of the most common drivers of chronic dry eye. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/what-is-meibomian-gland-dysfunction

**Q: What Is the Best Treatment for Dry Eye?**
A: The best dry-eye treatment is the one that matches the cause. Artificial tears may help mild dryness, but chronic dry eye often needs eyelid treatment, meibomian gland therapy, prescription anti-inflammatory drops, punctal plugs, or treatment for blepharitis or Demodex. A dry-eye evaluation prevents patients from wasting months on the wrong drops. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/what-is-the-best-treatment-for-dry-eye

**Q: Why Are My Eyes Always Dry?**
A: Eyes often feel constantly dry because the tear film is unstable, inflamed, or evaporating too quickly. The most common reasons are meibomian gland dysfunction, age, medications, screen use, blepharitis, autoimmune disease, and dry environments. Persistent dryness should be evaluated because the best treatment depends on the exact cause. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/why-are-my-eyes-always-dry

**Q: Why Are My Eyes Watering If I Have Dry Eye?**
A: Watery eyes can actually be a sign of dry eye. When the ocular surface is irritated, the eye may reflexively produce watery tears that do not contain enough oil or mucus to stay stable. The result is tearing and dryness at the same time. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/why-are-my-eyes-watering-if-i-have-dry-eye

**Q: Why Do My Eyes Burn, Sting, or Feel Gritty?**
A: Burning, stinging, and gritty eyes usually mean the ocular surface is irritated. Dry eye, blepharitis, allergy, meibomian gland dysfunction, and environmental exposure are common causes. Pain, light sensitivity, reduced vision, or one-sided worsening should be checked urgently. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/dry-eye/why-do-my-eyes-burn-sting-or-feel-gritty

### eye emergencies (https://www.mayeyecare.com/eye-emergencies)

**Q: Can a Black Eye Damage My Vision?**
A: A black eye by itself, bruising and swelling of the eyelids and skin around the eye, does not damage vision; it is skin and soft tissue, and the discoloration fades over one to two weeks. The concern is what the same blow may have done to the eyeball behind that bruise. A hit hard enough to blacken an eye can also cause bleeding inside the eye, a retinal tear or detachment, or an orbital fracture. So the bruise is harmless, but any change in vision, deep eye pain, double vision, blood inside the colored part of the eye, or new floaters after the injury needs to be checked the same day.
URL: https://www.mayeyecare.com/eye-emergencies/can-a-black-eye-damage-my-vision

**Q: Can Rubbing My Eye Damage It?**
A: Occasional gentle rubbing of a healthy eye rarely causes harm, but vigorous or habitual rubbing can. Hard rubbing can scratch the cornea, especially if a gritty particle is trapped under the lid, and it briefly raises the pressure inside the eye. Over years, chronic forceful rubbing is linked to weakening and bulging of the cornea (keratoconus). Most importantly, you must not rub an eye that has just been injured, has something in it, or has had recent surgery, in those situations rubbing can turn a minor problem into a serious one or cause blood or a wound to break open.
URL: https://www.mayeyecare.com/eye-emergencies/can-rubbing-my-eye-damage-it

**Q: How Do I Know If I Have Pink Eye?**
A: Pink eye usually causes redness, tearing, irritation, discharge, and sometimes crusting. But not every red eye is pink eye, and some serious diseases can look similar. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/how-do-i-know-if-i-have-pink-eye

**Q: Is Pink Eye Contagious and When Can I Go Back to Work or School?**
A: Viral and bacterial pink eye can be contagious, while allergic conjunctivitis is not. Return timing depends on the cause, symptoms, hygiene, work or school policy, and whether treatment is needed. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/pink-eye-contagious-when-go-back-work-school

**Q: What Are the Warning Signs of Infection After an Eye Injury?**
A: The warning signs of infection after an eye injury are increasing pain, spreading redness, swelling of the lids, thick or colored discharge (pus), worsening blurred vision, growing light sensitivity, and sometimes fever, especially when these appear or worsen a day or more after the injury as the eye should be settling. An infection inside the eye (endophthalmitis) after a penetrating injury is a sight-threatening emergency. Any injury that broke the surface of the eye, a scratch, a cut, or a foreign body, can let bacteria in, so if the eye is getting worse rather than better, do not wait, get medical eye care the same day, and go to an emergency room for severe pain or rapid vision loss.
URL: https://www.mayeyecare.com/eye-emergencies/what-are-the-warning-signs-of-infection-after-an-eye-injury

**Q: What Does a Curtain or Shadow Over My Vision Mean?**
A: A curtain or shadow over vision can be a warning sign of retinal detachment until proven otherwise. This symptom should be treated as urgent and evaluated immediately by an eye doctor or emergency service. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/what-does-a-curtain-or-shadow-over-my-vision-mean

**Q: What Is a Hyphema?**
A: A hyphema is blood pooling in the anterior chamber, the space between the clear cornea and the colored iris, usually after a blunt blow to the eye. You may see a reddish tint or an actual layer of blood settling across the bottom of the colored part of the eye, along with blurred vision, pain, and light sensitivity. It is treated as urgent because the same injury can raise the pressure inside the eye and because a rebleed in the first few days can be worse than the original. The eye needs prompt examination, rest with the head elevated, a protective shield, and close monitoring, so it should be seen the same day.
URL: https://www.mayeyecare.com/eye-emergencies/what-is-a-hyphema

**Q: What Is Causing My Red Eye?**
A: A red eye can be caused by dryness, allergy, infection, eyelid inflammation, subconjunctival hemorrhage, corneal injury, uveitis, glaucoma, or other disease. Pain, light sensitivity, or vision change makes it urgent. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/what-is-causing-my-red-eye

**Q: What Is Traumatic Iritis?**
A: Traumatic iritis is inflammation of the iris and the fluid just behind the cornea (the anterior chamber) that develops after a blow to the eye, usually within a day or two. It causes a deep, aching pain, redness concentrated around the colored part of the eye, marked light sensitivity, and often blurred vision and tearing. It is not something to wait out: it needs an eye exam to confirm the diagnosis, to rule out more serious trauma such as a hyphema or retinal tear, and to start anti-inflammatory treatment. Most cases settle over one to a few weeks with the right drops, but the eye should be checked promptly and pressure monitored.
URL: https://www.mayeyecare.com/eye-emergencies/what-is-traumatic-iritis

**Q: What Should I Do If I Get a Chemical in My Eye?**
A: Start rinsing immediately, do not wait to look up what the chemical was. Flush the open eye with clean water or saline continuously for at least 15 to 20 minutes, holding the lids apart so the water reaches the whole surface. Remove contact lenses if you can do so quickly while rinsing. Then get emergency eye care, and keep the container or label to show what it was. Alkalis (lye, drain cleaner, oven cleaner, ammonia, cement, plaster) are more damaging than acids and can keep injuring the eye after contact, so thorough rinsing right away is what saves the eye.
URL: https://www.mayeyecare.com/eye-emergencies/what-should-i-do-if-i-get-a-chemical-in-my-eye

**Q: What Should I Do If I Get Metal or a Foreign Body in My Eye?**
A: If a fast-moving metal fragment or other object may have struck or entered your eye, do not touch or try to remove it, shield the eye and get emergency care immediately. Cover the eye loosely with a rigid shield, the bottom of a paper cup, or eyeglasses, without pressing on it, and go to an emergency room. High-speed metal from grinding, hammering, or drilling can penetrate the eye and lodge inside, a sight-threatening emergency even when pain is mild and the eye looks nearly normal. For a small loose speck of dust or an eyelash on the surface, you can gently flush the eye with clean water or saline, but anything embedded or from high-velocity work is not a do-it-yourself situation.
URL: https://www.mayeyecare.com/eye-emergencies/what-should-i-do-if-i-get-metal-or-a-foreign-body-in-my-eye

**Q: What Should I Do If Something Gets in My Eye?**
A: Blink several times and let your tears flush the object out, or rinse the eye with clean water or saline for a few minutes. Do not rub the eye, because rubbing can drag a gritty particle across the cornea and scratch it. If the object washes out and the eye feels normal within a few hours, you are usually fine. But if something struck your eye at high speed (grinding, hammering, mowing), if you cannot get it out, or if you have real pain, light sensitivity, or blurred vision, stop and get medical eye care the same day.
URL: https://www.mayeyecare.com/eye-emergencies/what-should-i-do-if-something-gets-in-my-eye

**Q: When Is Eye Pain an Emergency?**
A: Eye pain is an emergency when it is severe, associated with vision changes, light sensitivity, headache, nausea, trauma, chemical exposure, halos, swelling, or inability to open the eye. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/when-is-eye-pain-an-emergency

**Q: When Should an Eye Injury Go to the Emergency Room?**
A: Go to the emergency room, or call an eye doctor for an immediate visit, whenever an eye injury comes with sudden or worsening vision loss, severe pain, a chemical splash, blood pooling inside the colored part of the eye, a cut in the eyeball, an object that has penetrated or is stuck, a new curtain or shadow, a burst of flashes and floaters, double vision, or a pupil that has changed shape or size. Any high-speed injury (grinding, hammering, mowing) also needs urgent evaluation even if the eye looks fine. When in doubt, get it checked the same day; the injuries that threaten vision are the ones that are dangerous to sit on.
URL: https://www.mayeyecare.com/eye-emergencies/when-should-an-eye-injury-go-to-the-emergency-room

**Q: Why Did I Suddenly Lose Vision in One Eye?**
A: Sudden vision loss in one eye is urgent. Possible causes include retinal detachment, retinal blood-vessel blockage, optic nerve disease, bleeding inside the eye, acute glaucoma, inflammation, or neurologic disease. It should be evaluated immediately. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/why-did-i-suddenly-lose-vision-in-one-eye

**Q: Why Is My Vision Blurry After Getting Hit in the Eye?**
A: Blurry vision after a blow to the eye means the impact affected something inside the eye, and it should be examined the same day. Common causes are a scratched or swollen cornea, blood in the front of the eye (a hyphema), inflammation inside the eye (traumatic iritis), a dislocated or damaged lens, bleeding in the back of the eye, bruising of the retina, or a retinal tear or detachment. A little watering and blur right after a knock can come from a surface scratch, but blur that persists, worsens, or comes with pain, light sensitivity, double vision, or a shadow in your vision is a warning sign, do not wait to see if it clears.
URL: https://www.mayeyecare.com/eye-emergencies/why-is-my-vision-blurry-after-getting-hit-in-the-eye

**Q: Why Is There a Bright Red Blood Spot on My Eye?**
A: A bright red blood spot is often a subconjunctival hemorrhage, which is bleeding under the clear surface membrane of the eye. It usually looks worse than it is, but pain, trauma, vision change, or recurrent bleeding needs evaluation. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-emergencies/why-is-there-a-bright-red-blood-spot-on-my-eye

### eye exams and vision (https://www.mayeyecare.com/eye-exams-and-vision)

**Q: Are Blue Light Glasses Worth It?**
A: For most people, the honest answer is that blue-light glasses are probably not worth it as an eye-health measure. Good-quality studies have not shown that filtering blue light from screens prevents eye damage or reliably reduces digital eye strain, and major ophthalmology groups do not recommend them for that purpose. The tired, dry, achy feeling you get from screens is mainly caused by reduced blinking and prolonged focusing up close, not by blue light. There is one narrower, better-supported use: reducing evening screen light may help some people sleep. But for daytime comfort and eye health, simpler habits work better.
URL: https://www.mayeyecare.com/eye-exams-and-vision/are-blue-light-glasses-worth-it

**Q: Are Progressive Lenses Hard to Get Used To?**
A: For many people progressive lenses do take some getting used to, but most adapt within a few days to about two weeks. Progressives blend distance, intermediate, and reading correction into one lens without a visible line, so at first the transition zones and softer side edges can feel disorienting. The trick is to point your nose at what you want to see and turn your head rather than just your eyes. Most wearers end up loving the seamless range once adapted.
URL: https://www.mayeyecare.com/eye-exams-and-vision/are-progressive-lenses-hard-to-get-used-to

**Q: Are Sunglasses Important for Eye Health?**
A: Yes. Sunglasses that block ultraviolet (UV) light genuinely protect the eyes, and the protection is well established, not marketing. Cumulative UV exposure contributes to cataracts, to pterygium and pinguecula (growths on the surface of the eye), and to UV-related damage on the eyelids, and it can cause painful short-term sunburn of the cornea. What matters is UV protection, not the darkness or price of the lens: look for glasses that block close to 100 percent of UVA and UVB. Wraparound styles and a brimmed hat add protection from light coming around the sides.
URL: https://www.mayeyecare.com/eye-exams-and-vision/are-sunglasses-important-for-eye-health

**Q: Can an Eye Exam Detect a Stroke or Brain Problem?**
A: Sometimes, yes. Certain strokes and brain problems show up as specific vision changes an eye doctor can detect, such as a loss of the same half of vision in both eyes, new double vision, an abnormal pupil, optic-nerve swelling, or tiny retinal emboli. The eye exam can raise the alarm and point toward the brain, but a stroke is diagnosed with brain imaging. Sudden neurologic symptoms are an emergency and call for 911, not an eye appointment.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-an-eye-exam-detect-a-stroke-or-brain-problem

**Q: Can an Eye Exam Detect Diabetes?**
A: Yes, an eye exam can reveal signs of diabetes. High blood sugar damages the tiny blood vessels of the retina, producing changes an ophthalmologist can see, such as small hemorrhages, microaneurysms, and leakage, sometimes before a person knows they are diabetic. A dilated exam is also how known diabetes is monitored for retinopathy. The eye exam does not measure blood sugar, so a suspicious finding should be confirmed with blood testing through your primary doctor.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-an-eye-exam-detect-diabetes

**Q: Can an Eye Exam Detect High Blood Pressure?**
A: Yes. A dilated eye exam is one of the few ways a doctor can look directly at your blood vessels, and high blood pressure leaves visible signs in the retinal vessels. Changes such as narrowed or nicked vessels, small hemorrhages, or swelling can point to hypertension, sometimes before you know you have it. The eye exam does not replace a blood-pressure cuff, but it can reveal the effects of long-standing or severe high blood pressure on the eye.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-an-eye-exam-detect-high-blood-pressure

**Q: Can Smoking Damage Your Eyes?**
A: Yes, smoking meaningfully harms the eyes. It is one of the strongest modifiable risk factors for age-related macular degeneration, a leading cause of central vision loss, and smokers develop it earlier and more severely than non-smokers. Smoking also speeds cataract formation, worsens dry eye, and raises the risk of thyroid eye disease and diabetic eye damage. The encouraging part is that this risk is largely reversible: quitting lowers your risk over time, and the sooner you stop, the more vision you protect.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-smoking-damage-your-eyes

**Q: Can Steroids Raise Eye Pressure?**
A: Yes. In susceptible people, steroids can raise the pressure inside the eye, sometimes enough to cause or worsen glaucoma. This happens most readily with steroid eye drops, but also with steroid pills, inhalers, nasal sprays, injections, and even steroid creams used near the eyes. People who react this way are called steroid responders, and the pressure rise is often silent, so it may be missed without monitoring. Steroids can also speed the formation of cataracts. If you use steroids in any form for more than a short time, your eye pressure should be checked.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-steroids-raise-eye-pressure

**Q: Can Too Much Screen Time Damage My Eyes?**
A: Screen time usually does not permanently damage adult eyes, but it can cause significant eye strain, dryness, blurred vision, and headaches. The main issue is reduced blinking and prolonged near focus, not screens burning or injuring the eye. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-too-much-screen-time-damage-my-eyes

**Q: Can Wearing Glasses Make My Eyes Weaker?**
A: No — wearing glasses does not weaken your eyes or make your natural vision worse. Glasses only bend light so it focuses correctly while you have them on; they do not change the underlying eye. Vision often seems worse after you start wearing glasses simply because you get used to seeing clearly and notice the blur more when you take them off, while your prescription continues to change on its own with age or growth.
URL: https://www.mayeyecare.com/eye-exams-and-vision/can-wearing-glasses-make-my-eyes-weaker

**Q: What Is the Difference Between an Ophthalmologist, Optometrist, and Optician?**
A: An ophthalmologist is a medical doctor (MD or DO) who completed medical school and residency and can perform complete medical eye exams, diagnose and treat all eye diseases, prescribe medication, and perform eye surgery. An optometrist (OD) is a doctor of optometry who examines eyes, prescribes glasses and contacts, and manages many common eye conditions, but does not perform major eye surgery. An optician is not a doctor; they fit and dispense the glasses and contact lenses that a doctor has prescribed.
URL: https://www.mayeyecare.com/eye-exams-and-vision/difference-between-ophthalmologist-optometrist-optician

**Q: Do I Need My Eyes Dilated at Every Eye Exam?**
A: Not necessarily at every single visit, but dilation is part of a complete medical eye exam and is the best way to see the back of your eye clearly. How often you need it depends on your age, your risk factors, and what your doctor needs to check that day. If you have diabetes, are at risk for retinal or optic-nerve disease, or have new symptoms, dilation is usually important; a quick glasses-only recheck sometimes does not require it.
URL: https://www.mayeyecare.com/eye-exams-and-vision/do-i-need-my-eyes-dilated-at-every-eye-exam

**Q: Do Plaquenil or Hydroxychloroquine Require Eye Exams?**
A: Yes. If you take hydroxychloroquine (brand name Plaquenil), you need a baseline eye exam when you start and then regular screening exams, usually yearly after the first several years of use. The medication can rarely build up in the retina and cause retinal toxicity, which can permanently affect central vision if it is not caught early. Screening is designed to detect the earliest changes before you notice any symptom, because once vision is lost from this toxicity it does not recover. The drug is widely used and generally safe; the exams are how that safety is protected.
URL: https://www.mayeyecare.com/eye-exams-and-vision/do-plaquenil-or-hydroxychloroquine-require-eye-exams

**Q: How Long Does Eye Dilation Last?**
A: For most people, the effects of dilating drops last about four to six hours, though light sensitivity and blurred near vision can linger longer. Lighter-colored eyes tend to stay dilated a bit longer than darker eyes, and stronger drops used for some exams or in children can last a day or more. During that time, near tasks like reading and using a phone will be blurry, and bright light will feel uncomfortable.
URL: https://www.mayeyecare.com/eye-exams-and-vision/how-long-does-eye-dilation-last

**Q: How Often Should I Get an Eye Exam?**
A: For most healthy adults with no symptoms and no risk factors, a complete eye exam every one to two years is reasonable, and yearly is a sensible habit once you reach your 40s or 50s. If you have diabetes, glaucoma, a strong family history of eye disease, high-risk medications, or a prescription that changes, you may need to be seen every year or more often. Anyone with a new or changing symptom should be examined promptly rather than waiting for the next routine visit.
URL: https://www.mayeyecare.com/eye-exams-and-vision/how-often-should-i-get-an-eye-exam

**Q: What Does 20/20 Vision Really Mean?**
A: 20/20 vision means that at 20 feet you can see what a person with normal eyesight sees at 20 feet; it is a measure of the sharpness of your central vision, not a grade of perfect or superhuman sight. It says nothing about your side vision, color vision, depth perception, night vision, or the health of your eyes. You can read 20/20 and still have glaucoma, early diabetic changes, or other silent eye disease.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-does-20-20-vision-really-mean

**Q: What Does an Eye Pressure Test Measure?**
A: An eye pressure test, called tonometry, measures the fluid pressure inside your eyeball, known as intraocular pressure. The eye is filled with fluid that is constantly produced and drained, and the balance between the two sets the pressure; if drainage lags, the pressure rises. Doctors check it because elevated pressure is the main treatable risk factor for glaucoma, a disease that can silently damage the optic nerve. Importantly, the number alone does not diagnose glaucoma: some people have high pressure and healthy nerves, while others develop glaucoma at normal pressure, so the reading is only one piece of the picture.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-does-an-eye-pressure-test-measure

**Q: What Is a Visual Field Test?**
A: A visual field test maps your full range of sight, especially your side (peripheral) vision, to find blind spots or areas where vision is dim or missing. You look into a bowl-shaped device, keep your gaze fixed on a central point, and press a button each time you notice a small flash of light off to the side. It is painless, and it measures how well your eyes and the visual pathway to your brain are actually working, information a photo or scan cannot provide. It is used most often to detect and monitor glaucoma, and also to investigate neurological problems affecting vision.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-a-visual-field-test

**Q: What is an easy way to take eye drops?**
A: A reliable technique: wash your hands, tilt your head back, and pull the lower lid down with one finger to form a small pocket. Look up, squeeze one drop into the pocket — not onto the eyeball — and close the eye gently for a minute or two without squeezing. Pressing lightly on the inner corner by the nose keeps the medicine in the eye and out of your throat. Wait several minutes between different drops, keep the bottle tip from touching the eye or lashes, and never share drops with anyone.
Dr. May: The easiest way to take eye drops is to create a routine and use proper technique. Wash your hands, tilt the head back, pull the lower lid down, place one drop in the pocket, close the eye gently, and avoid blinking hard. One drop is enough; extra drops mostly run out. If using multiple drops, separate them by several minutes. Patients with shaky hands, arthritis, or poor aim should ask about aids or alternate strategies. A glaucoma drop that misses the eye is not treatment. These practical details matter because clear vision depends on both medical care and daily habits; May Eye Care Center uses patient education as part of the MECCA of Eye Care strategy for trusted, repeatable eye-health guidance.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-an-easy-way-to-take-eye-drops  (includes video)

**Q: What Is an OCT Eye Scan?**
A: An OCT (optical coherence tomography) scan is a quick, painless imaging test that uses light waves to capture a detailed cross-section of the retina and optic nerve at the back of your eye. It works a bit like an ultrasound, but with light instead of sound, showing the individual layers of tissue in microscopic detail. Doctors use it to detect and track conditions such as glaucoma, macular degeneration, and diabetic swelling of the retina. Nothing touches your eye, and it usually takes only a minute or two per eye.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-an-oct-eye-scan

**Q: What Is Digital Eye Strain and How Do I Fix It?**
A: Digital eye strain is a group of symptoms caused by prolonged screen use, reduced blinking, poor ergonomics, uncorrected prescription, glare, or dry eye. It is usually treatable with screen adjustments, breaks, tear-film support, and the right glasses or medical treatment. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-digital-eye-strain-and-how-do-i-fix-it

**Q: What Is Presbyopia?**
A: Presbyopia is the gradual, age-related loss of the eye's ability to focus on near objects. The lens inside the eye, which is flexible and easily focuses up close when you are young, slowly stiffens with age until it can no longer change shape enough for reading distance. This is why small print on a menu, phone, or newspaper blurs starting in your 40s. It is a normal part of aging that eventually affects everyone.
Dr. May: Presbyopia is the normal age-related loss of near focusing caused by stiffening of the eye’s natural lens. It is why people in their 40s start holding menus and phones farther away. It happens even if distance vision has always been excellent. Reading glasses, progressive lenses, contacts, monovision, corneal procedures, and lens-based options can all help, but each has tradeoffs. Patients should not feel that presbyopia means their eyes are diseased; it means the lens is aging, and we can manage the symptoms. The direct point for patients is that surgical presbyopia correction is elective, so candidacy and tradeoff counseling matter more than speed, price, or advertising claims. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-presbyopia  (includes video)

**Q: What Is Retinal Imaging?**
A: Retinal imaging is a set of techniques for photographing or scanning the retina, the light-sensing tissue at the back of your eye, so your doctor can examine it in detail and keep a permanent record. It ranges from color photographs of the retina to wide-field images that capture the far edges, to cross-sectional scans (OCT) and dye studies that show blood flow. It is painless and non-contact. It helps detect and monitor diabetic retinopathy, macular degeneration, retinal tears, and blood-vessel blockages, and it lets your doctor compare images year to year to spot subtle change.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-retinal-imaging

**Q: What is the best way to clean my glasses?**
A: Rinse the lenses under lukewarm water first to wash away dust that would otherwise scratch, add a small drop of dish soap, rub gently with clean fingertips, rinse again, and dry with a clean microfiber cloth. Avoid paper towels, shirttails, hot water, and household glass cleaners — ammonia strips lens coatings. Clean the frame and nose pads while you’re at it. Done daily, this keeps coatings intact and vision crisp; scratches and permanently hazy coatings are a reason to see your optician, not scrub harder.
Dr. May: The best way to clean glasses is simple: rinse first, use a small amount of lens-safe soap if needed, gently rub with clean fingers, rinse again, and dry with a clean microfiber cloth. Do not grind dust into the lenses with a dry shirt or paper towel. Avoid household cleaners, ammonia, acetone, and abrasive cloths because coatings can be damaged. Patients often blame the prescription when the real problem is scratched, smeared, or poorly cleaned lenses. Clean optics matter. These practical details matter because clear vision depends on both medical care and daily habits; May Eye Care Center uses patient education as part of the MECCA of Eye Care strategy for trusted, repeatable eye-health guidance.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-is-the-best-way-to-clean-my-glasses  (includes video)

**Q: What Tests Are Done During a Complete Eye Exam?**
A: A complete eye exam includes checking your visual acuity (the eye chart), measuring your refraction for glasses, testing your pupils and eye movements, and checking eye pressure. It also involves a slit-lamp examination of the front of the eye and, after dilation, a detailed look at the lens, optic nerve, and retina. Depending on your history and findings, imaging such as OCT, visual field testing, corneal topography, or retinal photography may be added.
URL: https://www.mayeyecare.com/eye-exams-and-vision/what-tests-are-done-during-a-complete-eye-exam

**Q: When Should I See an Ophthalmologist Instead of a Regular Eye Doctor?**
A: See an ophthalmologist when you have an actual eye disease, injury, or condition that may need medical treatment or surgery, rather than just a vision check. That includes glaucoma, diabetic eye disease, macular degeneration, cataracts affecting your life, eye pain or injury, sudden vision changes, or a problem your optometrist refers onward. For routine glasses and healthy-eye checks, an optometrist is often appropriate; an ophthalmologist is the right choice when a physician's diagnosis and treatment are needed.
URL: https://www.mayeyecare.com/eye-exams-and-vision/when-see-ophthalmologist-instead-regular-eye-doctor

**Q: Why Are My New Glasses Blurry?**
A: New glasses often look blurry at first for reasons that are usually harmless: your eyes and brain need a few days to adapt to a changed prescription, especially with a big jump, new astigmatism correction, or first-time progressives. But blur can also mean the prescription or the lens fabrication is off, or that the frame is not fitted correctly. If clear vision has not settled within one to two weeks, the glasses should be rechecked.
URL: https://www.mayeyecare.com/eye-exams-and-vision/why-are-my-new-glasses-blurry

**Q: Why Do I Need Reading Glasses After Age 40?**
A: Reading glasses become necessary around 40 because of presbyopia — the natural stiffening of the lens inside your eye. When you are young, that lens flexes easily to focus on close objects; with age it gradually hardens and can no longer change shape enough for near work, so small print blurs and you hold things farther away. It happens to everyone, even people who never needed glasses, and it is not a disease.
URL: https://www.mayeyecare.com/eye-exams-and-vision/why-do-i-need-reading-glasses-after-age-40

**Q: Why Do I See Better When I Squint?**
A: You see better when you squint because narrowing your eyelids creates a "pinhole" effect. By blocking the scattered, out-of-focus light rays around the edges and letting only the central, straighter rays through, squinting sharpens the image on your retina — the same principle as a pinhole camera. It is a useful clue that you likely have an uncorrected refractive error, such as nearsightedness or astigmatism, that glasses could fix.
URL: https://www.mayeyecare.com/eye-exams-and-vision/why-do-i-see-better-when-i-squint

**Q: Why Does My Glasses Prescription Keep Changing?**
A: A glasses prescription keeps changing mainly because the eye itself keeps changing. In your 40s and 50s the natural lens stiffens (presbyopia), so reading correction shifts. Later, an early cataract can steadily change the lens's focusing power, and blood-sugar swings from diabetes can temporarily move the prescription. Small year-to-year drift is normal; frequent, large, or sudden changes deserve a medical eye exam.
URL: https://www.mayeyecare.com/eye-exams-and-vision/why-does-my-glasses-prescription-keep-changing

### eyelids and tearing (https://www.mayeyecare.com/eyelids-and-tearing)

**Q: Could an Eyelid Bump Be Cancer?**
A: Most eyelid bumps are benign — styes, chalazia, cysts, and harmless skin growths — but yes, an eyelid bump can occasionally be skin cancer, most commonly basal cell carcinoma. The warning signs are a bump that bleeds, ulcerates or forms a non-healing sore, causes loss of the eyelashes in that spot, has irregular or pearly borders, grows or changes, or keeps recurring after treatment. Any lesion with those features should be examined and often biopsied rather than watched.
URL: https://www.mayeyecare.com/eyelids-and-tearing/could-an-eyelid-bump-be-cancer

**Q: How Do I Get Rid of a Stye?**
A: Most styes improve with warm compresses and lid hygiene, but some need prescription treatment or drainage. Do not squeeze a stye because that can worsen inflammation or spread infection. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eyelids-and-tearing/how-do-i-get-rid-of-a-stye

**Q: What Causes Bags Under the Eyes?**
A: Bags under the eyes are usually caused by aging changes in the lower lid: the fat that cushions the eye bulges forward as the tissue holding it back weakens, and the skin and muscle relax. Fluid retention, poor sleep, salt, allergies, and family tendency add puffiness on top. Most under-eye bags are a cosmetic and harmless change, but sudden or one-sided swelling, especially with redness or pain, is different and should be checked.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-causes-bags-under-the-eyes

**Q: What Is a Blocked Tear Duct in Adults?**
A: A blocked tear duct in adults means the channel that carries tears from the eye into the nose — the nasolacrimal duct — is narrowed or obstructed, so tears back up and overflow onto the cheek. It commonly causes a constantly watery, sometimes sticky eye, and in some people a swollen, tender lump at the inner corner from a backed-up tear sac. Unlike the version seen in babies, adult blockage usually needs a procedure to reopen or bypass the duct.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-a-blocked-tear-duct-in-adults

**Q: What is a bump on my eyelid?**
A: The most common eyelid bump is a chalazion — a firm, usually painless lump that forms when one of the lid’s oil glands becomes blocked and the trapped oil triggers inflammation. Unlike a stye, a chalazion is not an infection, though a stye can settle into one. Warm compresses several times a day encourage it to drain; stubborn ones can be injected or drained in the office. Never squeeze it. A bump that keeps growing, bleeds, distorts your lashes, or keeps returning in the same spot should be examined — occasionally these are something more serious.
Dr. May: A bump on the eyelid is commonly a stye or chalazion, but not every lid bump is harmless. Warm compresses and lid hygiene can help many blocked oil glands, but a lesion that grows, bleeds, distorts lashes, changes skin color, ulcerates, or keeps recurring in the same place needs an eye exam. Older patients especially should not assume every bump is a stye. The job of the ophthalmologist is to distinguish routine gland blockage from infection, inflammation, and the rare eyelid tumor. This supports the MECCA of Eye Care approach: patients benefit from returning to a trusted ophthalmology center for practical education, yearly eye care, and early evaluation when a lid problem does not behave normally.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-a-bump-on-my-eyelid  (includes video)

**Q: What is a Stye?**
A: A stye (hordeolum) is a tender red bump caused by a blocked, infected oil gland at the eyelid margin — it can point outward along the lash line or inward on the underside of the lid. Warm compresses for 10–15 minutes several times a day are the mainstay, and most styes settle within a week or two. Do not squeeze or pop them. Seek care the same day — call us, or use urgent or emergency care after hours — if swelling spreads across the lid or cheek, you develop fever or pain with eye movement, or your vision changes. Call us if the bump has not faded after a few weeks.
Dr. May: A stye is usually an inflamed or infected eyelid oil gland near the lashes. Warm compresses are the main first step, but they must be warm enough and used consistently. Do not squeeze it; that can worsen inflammation or spread infection. If swelling is severe, vision is affected, redness spreads, pain increases, or the bump fails to improve, it should be examined. Recurrent styes often point to underlying blepharitis or meibomian gland dysfunction, which needs ongoing lid care rather than one-time treatment. At May Eye Care Center in Hanover, PA, eyelid and dry-eye complaints are evaluated as part of the whole ocular surface, because lid disease can affect comfort, vision quality, contact lenses, and even cataract-surgery measurements.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-a-stye  (includes video)

**Q: What is Blepharitis?**
A: Blepharitis is chronic inflammation of the eyelid margins — the skin, lash follicles, and oil glands at the base of the lashes. It causes red, itchy, crusty, burning lids that are often worst on waking, and it is one of the most common drivers of dry-eye symptoms. It tends to be managed rather than cured: daily warm compresses and gentle lid cleansing are the foundation, with antibiotic or anti-inflammatory treatment added for flares. If your lids stay red and irritated despite good hygiene, an exam can identify the type and tailor treatment.
Dr. May: Blepharitis is chronic eyelid inflammation, often involving bacteria, oil-gland dysfunction, skin conditions, or Demodex mites. Patients feel burning, crusting, redness, foreign-body sensation, tearing, or fluctuating vision. The key is consistency: lid hygiene, warm compresses, artificial tears, and targeted treatment when needed. Blepharitis is not usually “cured” permanently; it is managed like dental plaque on the eyelids. Treating it matters because chronic lid inflammation can worsen dry eye, contact lens comfort, and cataract-surgery measurements. This supports the MECCA of Eye Care approach: patients benefit from returning to a trusted ophthalmology center for practical education, yearly eye care, and early evaluation when a lid problem does not behave normally.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-blepharitis  (includes video)

**Q: What Is Ectropion?**
A: Ectropion is a lower eyelid that sags or turns outward, away from the eye, so the lid margin no longer sits snugly against the eyeball. It most often comes from age-related loosening of the lid tissues, and it causes tearing, redness, irritation, and crusting because the lid can no longer spread and drain tears properly or fully protect the eye. It is generally not dangerous but can damage the eye's surface if ignored, and it is usually corrected with a straightforward surgery.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-ectropion

**Q: What Is Entropion?**
A: Entropion is an eyelid — usually the lower lid — that turns inward, so the lashes and lid skin rub against the surface of the eye. It most often results from age-related weakening of the lid muscles, and it causes a red, painful, gritty, watery eye that feels as if something is constantly scratching it. Because the lashes can scratch and damage the cornea, entropion needs treatment; it is corrected reliably with lid surgery, with temporary measures to protect the eye in the meantime.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-entropion

**Q: What Is the Difference Between a Stye and a Chalazion?**
A: A stye is usually an acutely inflamed or infected eyelid gland near the lash line. A chalazion is usually a blocked oil gland that becomes a firmer bump. Treatment overlaps, but persistent lesions require examination. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eyelids-and-tearing/what-is-the-difference-between-a-stye-and-a-chalazion

**Q: When Is Droopy Eyelid Surgery Medically Necessary?**
A: Droopy eyelid surgery crosses from cosmetic to medically necessary when the lid droops far enough to block the upper part of your vision, interfering with reading, driving, or seeing to the sides. Surgeons and insurers generally require objective proof: a visual-field test showing improvement when the lid is taped up, measurements of how low the lid sits, and photographs. When the lid obstructs your line of sight, repair is a functional operation, not a beauty procedure.
URL: https://www.mayeyecare.com/eyelids-and-tearing/when-is-droopy-eyelid-surgery-medically-necessary

**Q: When Should an Eyelid Lesion Be Biopsied?**
A: An eyelid lesion should be biopsied when its features raise concern for cancer: it bleeds, ulcerates, or forms a non-healing sore; it causes loss of the eyelashes over it; it has irregular, asymmetric, or pearly borders; it distorts the lid margin; or it grows, changes, or keeps recurring after treatment. A stubborn or recurrent "chalazion" and unexplained one-sided chronic lid inflammation should also be biopsied. The biopsy removes tissue so a pathologist can confirm whether it is benign or cancer.
URL: https://www.mayeyecare.com/eyelids-and-tearing/when-should-an-eyelid-lesion-be-biopsied

**Q: Why Are My Eyelashes Turning Inward?**
A: Eyelashes turning inward and rubbing the eye is called trichiasis, and it happens either because individual lashes grow in the wrong direction or because the whole lid has turned inward (entropion). The rubbing causes a gritty, painful, red, watery eye that feels as if something is stuck. It matters because misdirected lashes scratch the cornea and can cause abrasions or scarring, so the lashes need to be redirected or removed and any lid-position problem corrected.
URL: https://www.mayeyecare.com/eyelids-and-tearing/why-are-my-eyelashes-turning-inward

**Q: Why Are My Eyelids Drooping?**
A: Most drooping upper eyelids come from a stretched or detached tendon (the levator aponeurosis) that lifts the lid — a slow, painless change linked to age, eye rubbing, contact lens wear, or prior eye surgery. That kind is not dangerous. But a lid that droops suddenly, especially with double vision, a pupil larger than the other, or a severe headache, can signal a nerve problem or aneurysm and needs emergency care the same day.
URL: https://www.mayeyecare.com/eyelids-and-tearing/why-are-my-eyelids-drooping

**Q: Why Are My Eyelids Red, Crusty, or Flaky?**
A: Red, crusty, or flaky eyelids commonly come from blepharitis, meibomian gland dysfunction, dry eye, skin disease, allergy, or Demodex mites. It is often chronic but treatable. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/eyelids-and-tearing/why-are-my-eyelids-red-crusty-or-flaky

**Q: Why Are My Eyes Tearing All the Time?**
A: Constant watery eyes usually come from one of two things: tears that cannot drain properly, or an irritated surface that overproduces reflex tears. The most common surprise is that dry eye causes watering — when the surface is irritated, the eye floods with reflex tears that spill over. Other causes include a blocked tear duct, loose or turned-out lower lids, allergy, and inward-turning lashes. Because the fixes differ completely, the cause needs to be identified rather than guessed.
URL: https://www.mayeyecare.com/eyelids-and-tearing/why-are-my-eyes-tearing-all-the-time

**Q: Why Is My Eyelid Twitching?**
A: Most eyelid twitching is harmless and related to stress, fatigue, caffeine, dry eye, or screen strain. Persistent, forceful, spreading, or neurologic twitching should be evaluated. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
Dr. May: Eyelid twitching is usually benign and is often related to fatigue, stress, caffeine, screen use, dry eye, or eyelid irritation. Most simple twitches improve with rest, lubrication, less caffeine, and treating dryness or blepharitis. The warning signs are different: persistent forceful spasms, facial weakness, drooping, double vision, neurological symptoms, or twitching that does not settle. In those cases, evaluation is appropriate. Most patients do not need to panic, but the eye surface and lid health should not be ignored. At May Eye Care Center in Hanover, PA, eyelid and dry-eye complaints are evaluated as part of the whole ocular surface, because lid disease can affect comfort, vision quality, contact lenses, and even cataract-surgery measurements.
URL: https://www.mayeyecare.com/eyelids-and-tearing/why-is-my-eyelid-twitching  (includes video)

### glaucoma (https://www.mayeyecare.com/glaucoma)

**Q: Are you a glaucoma suspect?**
A: Being called a glaucoma suspect is not a diagnosis of blindness; it means we have seen something that deserves surveillance. That may be elevated eye pressure, a suspicious optic nerve, thin corneas, family history, or borderline visual field changes.
Dr. May: Being called a glaucoma suspect is not a diagnosis of blindness; it means we have seen something that deserves surveillance. That may be elevated eye pressure, a suspicious optic nerve, thin corneas, family history, or borderline visual field changes. The key is not to panic and not to ignore it. At May Eye Care Center, the value is in repeated measurements over time—pressure, OCT nerve scans, optic nerve appearance, and visual fields—because glaucoma is often detected by patterns, not one isolated test.
URL: https://www.mayeyecare.com/glaucoma/are-you-a-glaucoma-suspect  (includes video)

**Q: At what age can glaucoma form?**
A: Glaucoma becomes far more common with age, but it can occur at almost any age, including childhood. Rare congenital and juvenile forms are present at birth or appear early in life, usually from a drainage-system that didn't develop correctly, and they matter greatly because a young eye has decades of vision to protect. In adults, risk climbs with age, family history, high eye pressure, and optic-nerve vulnerability. The point is that glaucoma is not only an older person's disease, and concerning signs deserve a full exam.
Dr. May: Glaucoma is more common with age, but it can occur at almost any age, including childhood. Juvenile and congenital glaucoma are uncommon, but they are serious because young eyes have many years of vision to protect. In adults, risk increases substantially with age, family history, eye pressure, and optic nerve vulnerability. The key message is that glaucoma is not just an elderly-person disease. Suspicious pressure, optic nerve cupping, cloudy corneas in infants, light sensitivity, or unexplained vision changes deserve proper evaluation. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/glaucoma/at-what-age-can-glaucoma-form  (includes video)

**Q: What Is the Best Treatment for Glaucoma: Drops, Laser, or Surgery?**
A: The best glaucoma treatment depends on disease severity, eye pressure, anatomy, progression risk, medication tolerance, and patient reliability. Daily pressure-lowering drops and SLT laser are the usual first-line options — SLT lowers pressure about as well as a first drop for many patients. MIGS procedures can be added during cataract surgery or on their own, and trabeculectomy or tube-shunt surgery is reserved for advanced or uncontrolled disease. Every option shares one goal: lowering eye pressure enough to protect the optic nerve.
Dr. May: Glaucoma treatment is a ladder, not a one-size-fits-all decision. Options include observation for low-risk suspects, prescription drops, SLT laser, minimally invasive glaucoma surgery, iridotomy for narrow angles, and more advanced procedures such as trabeculectomy or tube shunts. The best choice depends on glaucoma type, severity, target pressure, medication tolerance, lifestyle, and progression risk. Patients should understand the goal clearly: we are not treating a number; we are protecting the optic nerve from future damage. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/best-treatment-glaucoma-drops-laser-surgery  (includes video)

**Q: Can Glaucoma Be Stopped or Reversed?**
A: Glaucoma damage generally cannot be reversed, but treatment can often slow or stop further progression. The goal is early diagnosis, pressure lowering, and consistent monitoring. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/glaucoma/can-glaucoma-be-stopped-or-reversed

**Q: Can Marijuana help treat Glaucoma?**
A: No, marijuana is not an acceptable glaucoma treatment. It can lower eye pressure, but only for a few hours, while glaucoma requires steady, reliable pressure control around the clock, every day. Dosing that often would be impractical and carries real side effects. Proven options work far better: prescription drops, SLT laser, minimally invasive procedures, and surgery when needed. If you use cannabis, tell your eye doctor, but don't substitute it for evidence-based treatment, and keep up your regular glaucoma monitoring.
Dr. May: Marijuana is not an acceptable primary glaucoma treatment. It may lower eye pressure briefly, but glaucoma requires steady, reliable pressure control around the clock. The duration is too short, the dosing is impractical, and the side effects are real. Modern glaucoma care has far better options: proven drops, SLT laser, minimally invasive glaucoma procedures, and traditional surgery when needed. If a patient is using cannabis, they should tell their ophthalmologist, but they should not substitute it for evidence-based glaucoma treatment. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/can-marijuana-help-treat-glaucoma  (includes video)

**Q: Can You Have Glaucoma With Normal Eye Pressure?**
A: Yes. Normal-tension glaucoma occurs when optic nerve damage develops even though measured eye pressure is in the statistically normal range. This is why optic nerve exams, OCT imaging, and visual field testing matter. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/glaucoma/can-you-have-glaucoma-with-normal-eye-pressure

**Q: Do Glaucoma Eye Drops Have Side Effects?**
A: Yes. Glaucoma drops can cause redness, burning, eyelash growth, darkening of skin or iris, allergy, dry eye, fatigue, breathing issues, or systemic effects depending on the medication. Side effects should be discussed rather than ignored. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/glaucoma/do-glaucoma-eye-drops-have-side-effects

**Q: How can Pigment Dispersion Syndrome lead to Glaucoma?**
A: In pigment dispersion syndrome, pigment rubs off the back of the iris and settles in the eye's drainage meshwork. In a minority of people — studies suggest roughly 10 to 15 percent over 5 to 15 years — this clogs outflow enough to raise eye pressure, which can damage the optic nerve and lead to pigmentary glaucoma. It's more common in younger, nearsighted people who may be surprised to hear the word glaucoma. Not everyone develops it, but monitoring pressure, the optic nerve, and visual fields matters, and rising pressure should be treated without delay.
Dr. May: Pigment dispersion syndrome occurs when pigment rubs off the back of the iris and can clog the eye’s drainage system. Some patients never develop glaucoma, but others can have pressure spikes or pigmentary glaucoma. It is especially important in younger, often nearsighted patients who may not expect to hear the word glaucoma. Monitoring should include pressure, angle exam, optic nerve evaluation, OCT, and visual fields when indicated. If pressure rises or nerve damage appears, treatment should not be delayed. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/glaucoma/how-can-pigment-dispersion-syndrome-lead-to-glaucoma  (includes video)

**Q: How does a drainage device for Glaucoma work?**
A: A glaucoma drainage device lowers eye pressure by rerouting fluid from inside the eye through a tiny tube to a small plate, where the body reabsorbs it, essentially bypassing a failing natural drain. This protects the optic nerve from further damage. These devices are usually reserved for advanced glaucoma or pressure that other treatments can't control, and they are serious surgery. Keeping every follow-up visit is essential, because pressure can run too high or too low while the eye heals.
Dr. May: A glaucoma drainage device works by redirecting fluid from inside the eye to an external plate where the body can absorb it. Think of it as bypassing a failing drain. These devices are usually considered when glaucoma is advanced, pressure is poorly controlled, or other treatments are unlikely to work. They can be vision-saving, but they are serious surgeries requiring careful postoperative management. The patient’s job is to keep every follow-up visit because pressure can be too high or too low during healing. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/glaucoma/how-does-a-drainage-device-for-glaucoma-work  (includes video)

**Q: How does fluid flow in the eye?**
A: The eye constantly makes and drains a clear fluid called aqueous humor. The ciliary body behind the iris produces it, it flows forward through the pupil, and it exits through the trabecular meshwork — the mesh-like drain in the angle where the iris meets the cornea. Eye pressure is the balance between production and drainage. When the drain slows or blocks, pressure rises, and sustained high pressure damages the optic nerve. That is the link between fluid flow and glaucoma — and why most treatments work by improving drainage or reducing production.
Dr. May: The fluid system inside the eye is like plumbing: fluid is constantly made, circulates through the front of the eye, and drains through a microscopic filter called the trabecular meshwork. When that outflow system does not work well, pressure can rise and stress the optic nerve. Patients should understand that glaucoma treatment is mainly about improving drainage or reducing fluid production. This is why drops, SLT laser, and glaucoma surgery all target the same goal: lowering pressure enough to protect the nerve over time. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/how-does-fluid-flow-in-the-eye  (includes video)

**Q: How does Pseudoexfoliation Syndrome lead to Glaucoma?**
A: In pseudoexfoliation syndrome, a flaky, dandruff-like protein builds up on the lens and other structures inside the eye. As the iris moves, it rubs this material and pigment loose, and the debris clogs the trabecular meshwork — the eye’s drain. Pressure can climb high and erratically, so pseudoexfoliation glaucoma often behaves more aggressively than ordinary open-angle glaucoma and needs closer monitoring. The same material weakens the fibers that support the lens, which matters for planning future cataract surgery. Regular pressure checks and dilated exams are essential.
Dr. May: Pseudoexfoliation syndrome is important because it can quietly clog the eye’s drainage system and make glaucoma more likely or more difficult to control. It can also make cataract surgery more complex by weakening the structures that hold the lens in place. Patients with pseudoexfoliation need careful pressure monitoring, optic nerve testing, and a surgeon who recognizes the cataract-surgery implications. It is a perfect example of why a detailed ophthalmology exam matters beyond just updating a glasses prescription. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/how-does-pseudoexfoliation-syndrome-lead-to-glaucoma  (includes video)

**Q: How is Glaucoma monitored?**
A: Glaucoma is monitored with complementary tests, each covering what the others miss: tonometry measures eye pressure; pachymetry measures corneal thickness, which calibrates that pressure reading; gonioscopy inspects the drainage angle; ophthalmoscopy and OCT imaging track the optic nerve’s structure over time; and visual field testing maps what you can actually see. No single test tells the whole story — it is the trend across visits that shows whether treatment is holding. Keeping every monitoring appointment matters as much as taking your drops.
Dr. May: Glaucoma monitoring is not one test; it is a pattern over time. We follow eye pressure, optic nerve appearance, OCT nerve fiber layer thickness, visual field performance, corneal thickness, and sometimes angle anatomy. A single normal pressure reading does not prove safety, and one imperfect visual field does not always prove progression. The art is comparing reliable data points over months and years. That is why consistent follow-up at the same eye-care center is valuable: it lets us detect real change instead of guessing. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/how-is-glaucoma-monitored  (includes video)

**Q: Should I get SLT laser for glaucoma?**
A: SLT (selective laser trabeculoplasty) is a brief office laser that treats open-angle glaucoma by stimulating the eye’s own drain — the trabecular meshwork — to work better and lower pressure. It takes minutes, uses no incisions, does not injure the drain, and can often be repeated. It works well as a first treatment or as an alternative to daily drops, lowering pressure about as much as a typical drop for many patients, though the effect can fade over years. Whether it is right for you depends on your type and stage of glaucoma — ask at your next visit.
Dr. May: SLT laser is worth discussing when glaucoma pressure is above target, drops are difficult to tolerate, compliance is unreliable, or a patient wants to reduce medication burden. It is not the right answer for every type of glaucoma, but for many open-angle glaucoma patients it is a strong, evidence-based option. The decision should be based on the optic nerve, pressure history, angle anatomy, and prior response to treatment. The worst choice is untreated glaucoma because the vision loss is usually permanent. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/glaucoma/should-i-get-slt-laser-for-glaucoma  (includes video)

**Q: What are eyedrops for glaucoma?**
A: Glaucoma drops lower eye pressure in one of two ways: some reduce how much fluid the ciliary body produces, others improve how fluid drains from the eye — and some do both. Taken every day, they protect the optic nerve from further damage; they cannot restore vision already lost. The most common mistake in glaucoma care is skipping drops because the eye feels fine — glaucoma is painless while it damages sight. Never stop or change your drops without talking with your eye doctor first, and mention side effects rather than quietly quitting.
Dr. May: Glaucoma drops work only if they actually get into the eye and are used consistently. Different drops lower pressure in different ways: some reduce fluid production and others improve drainage. The practical issues are just as important as the science—cost, redness, allergy, dry eye, dosing schedule, and whether the patient can physically instill the drop. If drops are irritating, unaffordable, or being missed, tell us. Changing medication or considering SLT laser may protect vision better than pretending the plan is working. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/what-are-eyedrops-for-glaucoma  (includes video)

**Q: What are my risk factors for Glaucoma?**
A: Risk factors don't guarantee glaucoma, but they tell us who needs closer watching. They include family history, older age, African, Hispanic, or Asian ancestry, thin corneas, high eye pressure, steroid use, eye injury, diabetes, and high nearsightedness, along with certain optic-nerve appearances. Having them is not cause for panic; it's a reason for measurement. A comprehensive exam using pressure checks, OCT nerve imaging, optic-nerve evaluation, and visual field testing shows whether you are simply at risk or already showing early glaucoma damage.
Dr. May: Glaucoma risk factors do not guarantee disease, but they tell us who needs closer surveillance. Family history, older age, African, Hispanic, or Asian ancestry, thin corneas, high eye pressure, steroid use, trauma, diabetes, high myopia, and certain optic nerve appearances all raise concern. The correct response is not fear—it is measurement. At May Eye Care Center, we use pressure checks, OCT nerve imaging, optic nerve exams, and visual fields to decide whether a patient is simply at risk or already showing glaucoma damage.
URL: https://www.mayeyecare.com/glaucoma/what-are-my-risk-factors-for-glaucoma  (includes video)

**Q: What Are the First Signs of Glaucoma?**
A: Most early glaucoma has no symptoms. The first signs are often found during an eye exam: optic nerve thinning, abnormal OCT findings, or visual field defects. Waiting for symptoms is a mistake. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/glaucoma/what-are-the-first-signs-of-glaucoma

**Q: What are Tube Shunts?**
A: A tube shunt is a small implanted drainage device for glaucoma. A tiny, flexible tube redirects fluid from inside the eye to a small plate on the white of the eye, where the body reabsorbs it — creating a new, reliable drain when the natural one has failed. Shunts are typically reserved for glaucoma that keeps progressing despite drops, laser, or previous surgery. Pressure can run high or low while the eye heals, so close follow-up in the weeks after surgery is essential to protect the result.
Dr. May: Tube shunts are generally reserved for more advanced or difficult glaucoma, especially when pressure remains too high despite drops, laser, or prior surgery. A tube shunt creates a controlled pathway for fluid to leave the eye and lower pressure. This is not a cosmetic or convenience procedure; it is used when the risk of further optic nerve damage is significant. Patients need to understand that these surgeries require close follow-up because pressure, inflammation, healing, and tube position all matter after surgery. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/what-are-tube-shunts  (includes video)

**Q: What does a person with Glaucoma see?**
A: Early on, a person with glaucoma often sees completely normally, which is exactly what makes it dangerous. Damage usually begins in the peripheral, side vision and progresses so slowly that the brain fills in the gaps, so by the time someone notices missing areas, a large amount of optic-nerve function may already be lost, and it cannot be recovered. This is why visual field testing and OCT imaging matter: they reveal damage you cannot feel or see in daily life, allowing earlier treatment.
Dr. May: Patients with early glaucoma often see normally, which is exactly why the disease is dangerous. Vision loss usually begins in the peripheral field and may not be noticed until advanced damage has occurred. By the time a patient says, “I can’t see on the side,” a large amount of optic nerve function may already be gone. This is why visual field testing and OCT imaging matter. They can show damage that the patient cannot feel or recognize in daily life. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/what-does-a-person-with-glaucoma-see  (includes video)

**Q: What is a Trabeculectomy?**
A: A trabeculectomy is the classic glaucoma operation for pressure that drops and laser cannot control. The surgeon creates a tiny, guarded trapdoor in the wall of the eye so fluid can filter out to a small reservoir (a “bleb”) hidden under the upper lid, where the body reabsorbs it. It reliably achieves low pressures, which is why it is still used for advanced disease, but it demands meticulous after-care: frequent follow-up visits, and lifelong awareness that a red, painful eye with discharge could be a bleb infection — an emergency that needs same-day care.
Dr. May: A trabeculectomy creates a new drainage pathway to lower eye pressure when glaucoma is threatening the optic nerve despite less invasive treatment. It remains one of the strongest pressure-lowering operations, but it requires close postoperative care because healing determines success. Patients should not think of trabeculectomy as restoring lost vision; its purpose is to slow or stop further loss. When we recommend this level of surgery, it usually means the optic nerve needs a lower pressure than drops or laser can reliably provide. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/what-is-a-trabeculectomy  (includes video)

**Q: What is acute angle closure glaucoma?**
A: Acute angle-closure glaucoma is a true eye emergency. The iris bows forward and seals the eye’s drainage angle, and pressure spikes within hours — causing severe eye pain, headache, blurred vision, halos around lights, a red eye, and often nausea or vomiting. Untreated, it can permanently damage the optic nerve within a day. If you have these symptoms, call us immediately at (717) 637-1919 — or go straight to the nearest emergency room after hours. Treatment with pressure-lowering medicines and a laser iridotomy is very effective when started quickly.
Dr. May: Acute angle-closure glaucoma is a true eye emergency. Severe eye pain, headache, nausea, vomiting, halos around lights, a red eye, and sudden blurred vision can mean the eye pressure has risen rapidly. This is not a “wait until Monday” problem. Permanent optic nerve damage can occur quickly. Patients with these symptoms should seek urgent ophthalmic or emergency care immediately. The good news is that narrow angles can often be detected before an attack, which is why a comprehensive eye exam matters. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/what-is-acute-angle-closure-glaucoma  (includes video)

**Q: What Is Glaucoma?**
A: Glaucoma is a disease that damages the optic nerve and can cause permanent vision loss. It often has no early symptoms, so pressure checks alone are not enough; patients need optic nerve testing and follow-up over time. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
Dr. May: Glaucoma is one of the most important diseases we screen for because patients often feel perfectly normal while the optic nerve is being damaged. In my experience, the dangerous part is not the eye pressure number by itself; it is whether the nerve is showing structural or functional change. That is why May Eye Care Center emphasizes regular pressure checks, optic nerve imaging, visual field testing, and careful long-term comparison. Glaucoma cannot be reversed once vision is lost, but early diagnosis and consistent follow-up can preserve useful vision for many patients. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning.
URL: https://www.mayeyecare.com/glaucoma/what-is-glaucoma  (includes video)

**Q: What is Laser Iridotomy?**
A: Laser iridotomy is used when the drainage angle is dangerously narrow or at risk of closing. The laser creates a tiny opening in the iris so fluid can move more safely through the front of the eye and reduce the chance of an angle-closure attack.
Dr. May: Laser iridotomy is used when the drainage angle is dangerously narrow or at risk of closing. The laser creates a tiny opening in the iris so fluid can move more safely through the front of the eye and reduce the chance of an angle-closure attack. Patients often think of glaucoma as one disease, but narrow-angle glaucoma behaves very differently from open-angle glaucoma. If we tell you the angles are narrow, it is not something to casually watch without a clear plan. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/what-is-laser-iridotomy  (includes video)

**Q: What Is Normal Eye Pressure?**
A: A common eye-pressure range is roughly 10 to 21 mmHg, but 'normal' pressure does not guarantee a healthy optic nerve. Some people get glaucoma at normal pressures, and some people tolerate higher pressures without damage. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/glaucoma/what-is-normal-eye-pressure

**Q: What is ocular hypertension?**
A: Ocular hypertension means the pressure inside the eye is higher than normal while the optic nerve and visual field are still healthy — it is a risk factor for glaucoma, not glaucoma itself. Many people with elevated pressure never develop damage; others do, which is why it cannot simply be ignored. Corneal thickness, nerve appearance, family history, and age all shape the risk. Depending on those factors, we may monitor closely or lower the pressure preventively with drops or SLT laser. Regular exams keep “higher than normal” from quietly becoming glaucoma.
Dr. May: Ocular hypertension means the eye pressure is higher than normal, but the optic nerve has not yet shown definite glaucoma damage. That distinction matters. Some patients with ocular hypertension need treatment; others can be monitored carefully. The decision depends on pressure level, corneal thickness, age, family history, optic nerve appearance, OCT, and visual fields. I tell patients this is a risk state, not a guarantee. The mistake is ignoring it, because high pressure can eventually become glaucoma in the wrong eye. The direct point for patients is simple: glaucoma is a chronic optic nerve disease, and a comprehensive exam with a local ophthalmologist is the right next step when pressure, risk factors, or nerve appearance are concerning. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/glaucoma/what-is-ocular-hypertension  (includes video)

**Q: What is open angle glaucoma?**
A: Open-angle glaucoma is the most common form of glaucoma, and it is deceptive because the drainage angle can look open while the drain itself functions poorly. Patients usually do not feel pressure and do not notice early side-vision loss.
Dr. May: Open-angle glaucoma is the most common form of glaucoma, and it is deceptive because the drainage angle can look open while the drain itself functions poorly. Patients usually do not feel pressure and do not notice early side-vision loss. That is why relying on symptoms is a mistake. The diagnosis depends on pressure trends, optic nerve examination, OCT imaging, and visual field testing. Treatment is individualized, but the goal is always the same: lower the pressure to a level where that specific optic nerve is less likely to keep deteriorating. At May Eye Care Center in Hanover, PA, glaucoma care is treated as long-term optic nerve protection, not a one-time pressure check; regular testing helps patients from York, Adams County, South Central Pennsylvania, and nearby Maryland stay ahead of silent vision loss.
URL: https://www.mayeyecare.com/glaucoma/what-is-open-angle-glaucoma  (includes video)

**Q: What is secondary Glaucoma?**
A: Secondary glaucoma means another eye problem is driving up the pressure or endangering the optic nerve. Causes include inflammation, injury, steroid use, pseudoexfoliation, pigment dispersion, advanced diabetic eye disease, prior surgery, or a tumor. These cases can behave more aggressively than routine glaucoma because the underlying trigger may keep harming the eye's drainage system. Effective treatment depends on identifying and addressing that cause, not just lowering the pressure number, so glaucoma that appears suddenly or behaves unusually warrants a careful search for why.
Dr. May: Secondary glaucoma means another eye problem is driving the pressure or optic nerve risk. Causes can include inflammation, trauma, steroid response, pseudoexfoliation, pigment dispersion, advanced diabetic eye disease, prior surgery, or eye tumors. These cases can behave more aggressively than routine open-angle glaucoma because the underlying trigger may continue to damage the drainage system. The right treatment depends on identifying the cause, not just lowering the pressure number. If glaucoma appears suddenly or behaves unusually, we look for the reason. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/what-is-secondary-glaucoma  (includes video)

**Q: What Is SLT Laser Treatment for Glaucoma?**
A: Selective laser trabeculoplasty, or SLT, is an office laser treatment that helps the eye's drainage system lower eye pressure. It can reduce or sometimes replace drops in selected patients, but results vary. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
Dr. May: Selective laser trabeculoplasty, or SLT, is one of the most useful tools we have for open-angle glaucoma. It treats the eye’s natural drain to help fluid leave the eye more effectively. I like patients to understand that SLT is not a “vision-improving laser”; it is a pressure-lowering treatment meant to protect the optic nerve. It may reduce the need for drops in some patients, but it still requires follow-up because the effect can vary and may wear off over time. This fits the MECCA of Eye Care philosophy: patients return regularly to a trusted ophthalmology center because glaucoma is best managed with trend data, OCT imaging, visual fields, eye-pressure history, and careful follow-up over years.
URL: https://www.mayeyecare.com/glaucoma/what-is-slt-laser-treatment-for-glaucoma  (includes video)

### lasik (https://www.mayeyecare.com/lasik)

**Q: Am I a Good Candidate for LASIK?**
A: A good LASIK candidate usually has a stable glasses or contact lens prescription, healthy corneas, adequate corneal thickness, manageable dry eye, and realistic expectations. LASIK is not automatically right just because you are nearsighted or tired of glasses. The only reliable way to know is to have a complete refractive surgery evaluation with corneal imaging.
Dr. May: A good LASIK candidate has a stable prescription, healthy corneas, adequate corneal thickness, manageable dry eye, no suspicious topography, and realistic expectations. Patients with keratoconus, unstable prescriptions, significant dry eye, certain autoimmune diseases, or unrealistic expectations may be poor candidates. I would rather tell someone no than create a lifelong optical problem. Refractive surgery should be elective in the strictest sense: only proceed when the risk-benefit balance is clearly favorable for that individual eye. The MECCA of Eye Care standard is to educate first and recommend only when the anatomy supports it; patients in Hanover, York, Adams County, and nearby Maryland deserve precise refractive guidance, not marketing.
URL: https://www.mayeyecare.com/lasik/am-i-a-good-candidate-for-lasik  (includes video)

**Q: Can LASIK Cause Dry Eyes?**
A: Yes. LASIK can cause or worsen dry eye because the procedure affects corneal nerves involved in tear production and sensation. For many patients, dryness improves over weeks to months, but some patients have persistent symptoms. Anyone with dry eye before LASIK needs careful evaluation and treatment before surgery.
URL: https://www.mayeyecare.com/lasik/can-lasik-cause-dry-eyes

**Q: Can LASIK Fix Astigmatism?**
A: LASIK can often correct astigmatism when the astigmatism is regular, the prescription is stable, and the cornea is healthy enough for treatment. Astigmatism means the eye focuses light unevenly, often because the cornea is shaped more like a football than a basketball. LASIK is not appropriate for every type of astigmatism, especially if the cornea is irregular or suspicious for keratoconus.
URL: https://www.mayeyecare.com/lasik/can-lasik-fix-astigmatism

**Q: What is the difference between nearsighted, farsighted, and astigmatism?**
A: These are all refractive errors, meaning the eye doesn't focus light precisely on the retina. Nearsightedness (myopia) blurs distant objects, usually because the eye is too long or the cornea too curved. Farsightedness (hyperopia) can strain near vision and sometimes distance. Astigmatism distorts focus at all distances because the cornea is shaped more like a football than a basketball. Glasses and contacts correct these externally, while LASIK, PRK, or lens-based surgery may reduce dependence for the right candidates, depending on your eye's shape and health.
Dr. May: Nearsightedness, farsightedness, and astigmatism are refractive errors, meaning the eye does not focus light perfectly on the retina. Myopia blurs distance, hyperopia often strains near and sometimes distance, and astigmatism distorts focus because the optical surface is shaped more like a football than a basketball. Glasses and contacts correct these issues externally; LASIK, PRK, or lens-based surgery may reduce dependence in selected patients. The right option depends on age, prescription stability, corneal shape, dryness, and eye health. At May Eye Care Center, refractive surgery advice starts with safety: corneal topography, prescription stability, ocular surface health, age, lifestyle, and expectations determine whether LASIK, PRK, contacts, glasses, or lens-based correction makes sense.
URL: https://www.mayeyecare.com/lasik/difference-between-nearsighted-farsighted-astigmatism  (includes video)

**Q: Does LASIK Hurt?**
A: LASIK usually does not hurt during the procedure because numbing drops are used. Patients commonly feel pressure, eyelid holding, dimming of vision, water, lights, and sometimes mild anxiety, but sharp pain is not expected. After surgery, burning, tearing, gritty feeling, and light sensitivity can occur for several hours and usually improve quickly.
URL: https://www.mayeyecare.com/lasik/does-lasik-hurt

**Q: How Do I Find my Dominant Eye?**
A: Your dominant eye is the one your brain prefers for precise distance aiming, much like being right- or left-handed. A quick home test: extend both arms, form a small triangle with your hands, center a distant object in it, then close one eye at a time; the eye that keeps the object centered is dominant. This helps when planning monovision, contacts, LASIK, or cataract lens choices, but it's only one piece; surgical decisions also weigh your refraction, health, and daily activities.
Dr. May: Dominant-eye testing helps when planning monovision, contact lenses, LASIK, or cataract lens strategy. The dominant eye is usually the eye the brain prefers for precise distance aiming, but dominance can vary depending on the task. A quick home test is useful, but it should not be the only basis for surgical planning. In the office, we combine dominance testing with refraction, ocular health, occupation, hobbies, and a trial when appropriate. The goal is comfort in real life, not just passing a simple test. The MECCA of Eye Care standard is to educate first and recommend only when the anatomy supports it; patients in Hanover, York, Adams County, and nearby Maryland deserve precise refractive guidance, not marketing.
URL: https://www.mayeyecare.com/lasik/how-do-i-find-my-dominant-eye  (includes video)

**Q: How Long Does LASIK Take?**
A: The LASIK procedure itself is usually completed quickly, often in less than 30 minutes for the surgical visit, with the laser portion lasting only a short time. Patients should plan for more time at the surgery center because preparation, checks, consent, relaxation medication if used, and postoperative instructions take longer than the laser. The important issue is not speed; it is accuracy and safety.
URL: https://www.mayeyecare.com/lasik/how-long-does-lasik-take

**Q: How Long Is LASIK Recovery?**
A: Many LASIK patients notice major visual improvement within the first day or two, but full stabilization can take weeks to months. Early recovery often includes dryness, fluctuating vision, glare, halos, and light sensitivity. The recovery timeline depends on prescription, dry eye status, healing, and whether there are complications.
URL: https://www.mayeyecare.com/lasik/how-long-is-lasik-recovery

**Q: How Much Does LASIK Cost and Is It Covered by Insurance?**
A: LASIK cost varies by surgeon, technology, region, prescription, and what is included in the fee. Because LASIK is usually considered elective vision correction, medical insurance typically does not cover the full cost, although some vision plans may offer discounts or partial benefits. Patients should ask exactly what is included: evaluation, surgery, postoperative visits, enhancements, medications, and financing terms.
URL: https://www.mayeyecare.com/lasik/how-much-does-lasik-cost-and-is-it-covered-by-insurance

**Q: How Soon Can I Drive, Work, Use Screens, and Exercise After LASIK?**
A: After LASIK, driving, work, screens, and exercise should resume only when your surgeon confirms your vision and healing are safe. Many patients return to desk work and screens quickly, but night driving, dusty work, swimming, heavy exercise, and contact sports require more caution. The exact timing depends on your vision, dryness, occupation, and postoperative exam.
URL: https://www.mayeyecare.com/lasik/how-soon-drive-work-use-screens-exercise-after-lasik

**Q: Is LASIK Permanent?**
A: The corneal reshaping from LASIK is permanent, but your eyes can still change with age, healing, prescription drift, presbyopia, cataracts, or other eye diseases. LASIK does not freeze the eye in time. Many patients enjoy long-term reduction in glasses dependence, but some may need glasses, contacts, reading glasses, or an enhancement later.
URL: https://www.mayeyecare.com/lasik/is-lasik-permanent

**Q: Is LASIK Safe?**
A: LASIK is generally considered safe for properly selected patients, but it is still elective eye surgery and no surgery is risk-free. Most patients are satisfied, serious complications are uncommon, and temporary dryness or night-vision symptoms are among the more common concerns. Safety depends heavily on screening, surgeon judgment, technology, and honest informed consent.
URL: https://www.mayeyecare.com/lasik/is-lasik-safe

**Q: LASIK vs PRK: Which Is Better for Me?**
A: LASIK and PRK are both laser vision correction procedures that reshape the cornea, but they differ in how the corneal surface is accessed. LASIK creates a flap and usually has faster visual recovery and less early discomfort. PRK removes the surface epithelium without a flap and may be safer for some patients with thinner corneas, certain occupations, or flap-risk concerns.
Dr. May: LASIK and PRK both use an excimer laser to reshape the cornea, but the access method is different. LASIK creates a corneal flap; PRK treats the surface after removing the epithelium. LASIK usually heals faster, while PRK may be better for certain thinner corneas, some occupational needs, or flap-risk concerns. Neither is automatically “better.” The right choice depends on corneal thickness, topography, dry eye, prescription, healing expectations, and risk tolerance. Careful candidacy screening is more important than procedure branding. At May Eye Care Center, refractive surgery advice starts with safety: corneal topography, prescription stability, ocular surface health, age, lifestyle, and expectations determine whether LASIK, PRK, contacts, glasses, or lens-based correction makes sense.
URL: https://www.mayeyecare.com/lasik/lasik-vs-prk-which-is-better-for-me  (includes video)

**Q: What are my LASIK post-op instructions?**
A: For the first hours: go home, close your eyes, and rest — expect watering, light sensitivity, and a gritty feeling that improves by the next day. Use your antibiotic and anti-inflammatory drops exactly as prescribed, wear the protective shields while sleeping for the first nights, and do not rub your eyes. For the first week, skip eye makeup, pools, and hot tubs, and keep soap and tap water out of the eye. Most people see well enough to drive at the day-one visit. Increasing pain, worsening redness, or falling vision after the first day is not normal — call us right away.
Dr. May: LASIK post-op instructions protect the cornea while the flap or surface heals. Patients should use drops exactly as directed, avoid rubbing the eyes, avoid contaminated water early, and call immediately for worsening pain, redness, discharge, light sensitivity, or decreased vision. Mild fluctuation and dryness can happen, but progressive symptoms are not normal. The first postoperative visits matter because we check healing, inflammation, flap position, vision, and pressure when appropriate. Good outcomes depend on both good surgery and good follow-through. At May Eye Care Center, refractive surgery advice starts with safety: corneal topography, prescription stability, ocular surface health, age, lifestyle, and expectations determine whether LASIK, PRK, contacts, glasses, or lens-based correction makes sense.
URL: https://www.mayeyecare.com/lasik/what-are-my-lasik-post-op-instructions  (includes video)

**Q: What are my LASIK pre-op instructions?**
A: Before LASIK, a few steps protect your safety and results. Stop wearing contact lenses as directed, since they change the cornea's shape and affect measurements. Pick up your prescribed drops ahead of time, skip eye makeup, and arrive with clean lids to lower infection risk. Arrange a ride home because you can't drive afterward, and you can usually eat and take routine medications. Understand your vision goals beforehand, and if your eye is red, irritated, or unusually dry, speak up rather than proceed.
Dr. May: LASIK pre-op instructions are not busywork. Contact lens discontinuation, artificial tears, medication review, avoiding eye makeup, and arriving with clean lids all help improve measurement accuracy and reduce infection risk. Patients should also understand the target vision plan before the procedure, including how presbyopia may affect near vision later. If the eye is red, irritated, infected, or unusually dry before surgery, speak up. Elective surgery should be done on the healthiest possible ocular surface. The direct point for patients is that LASIK and refractive options are elective, so candidacy and risk screening matter more than speed, price, or advertising claims. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/lasik/what-are-my-lasik-pre-op-instructions  (includes video)

**Q: What Are the Risks and Side Effects of LASIK?**
A: The most common LASIK side effects are dry eye, fluctuating vision, glare, halos, starbursts, light sensitivity, and temporary irritation. Less common but more serious risks include infection, inflammation, flap complications, undercorrection, overcorrection, reduced best-corrected vision, and corneal ectasia. A careful preoperative exam is designed to reduce these risks, not eliminate them completely.
Dr. May: LASIK complications are uncommon in properly selected patients, but they are real. Dry eye, glare, halos, undercorrection, overcorrection, regression, flap issues, infection, inflammation, and reduced quality of vision can occur. The biggest risk reducer is strict preoperative screening, especially for dry eye and abnormal corneal shape. Patients should be skeptical of any LASIK pitch that sounds risk-free. The procedure can be outstanding, but only when the patient, prescription, cornea, and expectations are appropriate. The MECCA of Eye Care standard is to educate first and recommend only when the anatomy supports it; patients in Hanover, York, Adams County, and nearby Maryland deserve precise refractive guidance, not marketing.
URL: https://www.mayeyecare.com/lasik/what-are-the-risks-and-side-effects-of-lasik  (includes video)

**Q: What is a refractive error?**
A: A refractive error means the eye’s optics do not land light precisely on the retina — a focusing issue, not an eye disease. There are four kinds: myopia (nearsightedness) blurs distance; hyperopia (farsightedness) strains near focus and sometimes distance; astigmatism blurs at every distance because the cornea is oval rather than round; and presbyopia is the age-related loss of near focus after about 40. Glasses and contact lenses correct them externally, while LASIK, PRK, and lens-based surgery can reduce dependence on correction for good candidates.
Dr. May: A refractive error simply means the eye needs optical correction to focus clearly. The common types are nearsightedness, farsightedness, astigmatism, and presbyopia. The important clinical point is to separate a routine focusing issue from eye disease. If vision sharpens perfectly with refraction, that is reassuring. If it does not, we look deeper at the cornea, lens, retina, optic nerve, and ocular surface. Patients should not assume every blur is “just glasses,” especially when vision changes suddenly or asymmetrically. The direct point for patients is that LASIK and refractive options are elective, so candidacy and risk screening matter more than speed, price, or advertising claims. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/lasik/what-is-a-refractive-error  (includes video)

**Q: What Is Astigmatism?**
A: Astigmatism is a common refractive error in which the eye focuses light at more than one point instead of a single sharp point on the retina, so vision is blurred or distorted at all distances. It usually comes from a cornea shaped more like a football than a round basketball, though an irregular lens inside the eye can also cause it. It is very common, not a disease, and is easily corrected.
Dr. May: Astigmatism is not a disease; it is an optical focusing problem. The cornea or lens has different curvatures in different meridians, so light focuses unevenly. Mild astigmatism may be handled with glasses or contacts, while cataract surgery patients may benefit from toric lens implants or corneal relaxing incisions. In LASIK evaluations, astigmatism must be measured carefully with refraction and corneal mapping. Irregular astigmatism is different and may signal corneal disease, so the details matter. The MECCA of Eye Care standard is to educate first and recommend only when the anatomy supports it; patients in Hanover, York, Adams County, and nearby Maryland deserve precise refractive guidance, not marketing.
URL: https://www.mayeyecare.com/lasik/what-is-astigmatism  (includes video)

**Q: What Is Corneal Topography?**
A: Corneal topography is a quick, non-contact test that creates a detailed three-dimensional map of the curvature of your cornea, the clear front window of the eye. Rings of light are projected onto the corneal surface, and a computer measures how they reflect to chart every steep and flat area, much like a topographic map shows the hills and valleys of a landscape. There are no drops, no puff of air, and nothing touches your eye. The map is used to fit specialty contact lenses, screen and plan refractive surgery such as LASIK, and diagnose conditions that distort the corneal shape, like astigmatism and keratoconus.
Dr. May: Corneal topography maps the shape of the cornea and is essential before LASIK, PRK, some cataract plans, and evaluation of keratoconus or irregular astigmatism. It shows details that a glasses prescription cannot reveal. A patient may see 20/20 and still have a corneal shape that makes laser vision correction unsafe. That is why screening technology matters. Topography helps us avoid bad candidates, plan astigmatism treatment, and identify corneal disease earlier than a routine refraction alone. The direct point for patients is that LASIK and refractive options are elective, so candidacy and risk screening matter more than speed, price, or advertising claims. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/lasik/what-is-corneal-topography  (includes video)

**Q: What Is Farsightedness?**
A: Farsightedness (hyperopia) is a refractive error in which the eye focuses light behind the retina instead of on it, usually because the eyeball is a bit too short or the cornea too flat. Near work causes the most strain and blur, and distant objects are typically easier to see. Young people can often overcome mild farsightedness by focusing extra hard, but this becomes harder with age. It is common and readily corrected.
URL: https://www.mayeyecare.com/lasik/what-is-farsightedness

**Q: What Is LASIK and How Does It Work?**
A: LASIK is a laser vision correction procedure that reshapes the cornea—the clear front window of the eye—so light focuses more accurately on the retina. It is most commonly used to reduce dependence on glasses or contact lenses for nearsightedness, farsightedness, and astigmatism. It does not treat every cause of blurry vision and it does not stop normal age-related changes such as presbyopia or cataracts.
Dr. May: LASIK reshapes the cornea to reduce dependence on glasses or contact lenses. It can be excellent for the right patient, but the screening process is everything. We must evaluate prescription stability, corneal thickness, corneal shape, dry eye, pupil size, occupation, and expectations. LASIK does not stop presbyopia and does not make the eye immune to future cataracts or eye disease. A good LASIK candidate is not just someone who wants freedom from glasses; it is someone whose eyes can safely tolerate the procedure. At May Eye Care Center, refractive surgery advice starts with safety: corneal topography, prescription stability, ocular surface health, age, lifestyle, and expectations determine whether LASIK, PRK, contacts, glasses, or lens-based correction makes sense.
URL: https://www.mayeyecare.com/lasik/what-is-lasik-and-how-does-it-work  (includes video)

**Q: What is Monovision?**
A: Monovision corrects one eye mainly for distance and the other mainly for near, so with both eyes open the brain uses whichever eye suits the task. It can reduce your dependence on reading glasses after 40, when near focusing naturally declines. Many people adapt within days, but some notice reduced depth perception, night-driving difficulty, or a sense of imbalance, and a few never adjust. Because it's a big commitment when done surgically, a contact-lens trial first is the best way to test it.
Dr. May: Monovision means one eye is focused more for distance and the other more for near. It can reduce reading-glasses dependence, but not everyone adapts well. Some patients notice reduced depth perception, night-driving issues, or imbalance. I strongly prefer a contact lens trial or simulation when possible before making a permanent surgical decision. Monovision can be excellent for the right personality and visual needs, but it should never be forced on someone who depends heavily on fine depth perception or crisp binocular distance vision. The MECCA of Eye Care standard is to educate first and recommend only when the anatomy supports it; patients in Hanover, York, Adams County, and nearby Maryland deserve precise refractive guidance, not marketing.
URL: https://www.mayeyecare.com/lasik/what-is-monovision  (includes video)

**Q: What Is Nearsightedness?**
A: Nearsightedness (myopia) is a refractive error in which distant objects look blurry while close objects are clear. It happens because the eye focuses light in front of the retina instead of on it — usually because the eyeball is a bit too long, or the cornea is too curved. It is extremely common, tends to begin in childhood and progress through the teens, and is easily corrected with glasses, contacts, or laser surgery.
URL: https://www.mayeyecare.com/lasik/what-is-nearsightedness

**Q: What Is the Best Age for LASIK?**
A: The best age for LASIK is usually adulthood after the prescription has been stable and the eyes are healthy. The FDA notes that no lasers are approved for LASIK in people under 18, and many surgeons prefer waiting until the early-to-mid 20s if the prescription is still changing. After age 40, LASIK may still be possible, but presbyopia and early lens changes must be discussed carefully.
URL: https://www.mayeyecare.com/lasik/what-is-the-best-age-for-lasik

**Q: What Is Wavefront LASIK and Is It Better?**
A: Wavefront LASIK uses advanced measurements of the eye’s optical imperfections, including subtle higher-order aberrations, to guide a customized laser treatment. It may improve visual quality for some patients compared with conventional treatment, but it does not eliminate the need for careful screening or guarantee perfect vision. Patient selection and surgeon experience remain critical.
URL: https://www.mayeyecare.com/lasik/what-is-wavefront-lasik-and-is-it-better

**Q: What Questions Should I Ask Before Choosing a LASIK Surgeon?**
A: Before choosing a LASIK surgeon, ask whether you are truly a candidate, what your corneal measurements show, which technology will be used, what risks apply to your eyes, what alternatives exist, what results are realistic, and what follow-up care is included. A good surgeon should welcome detailed questions. If the consultation feels like a sales process instead of a medical evaluation, that is a warning sign.
URL: https://www.mayeyecare.com/lasik/what-questions-should-i-ask-before-choosing-a-lasik-surgeon

**Q: What Should I Expect Before, During, and After LASIK?**
A: Before LASIK, expect a detailed eye exam, corneal measurements, contact lens restrictions, risk discussion, and informed consent. During LASIK, expect numbing drops, eyelid support, pressure, lights, and a short laser treatment. After LASIK, expect blurry vision at first, drops, eye protection, follow-up visits, and temporary dryness or irritation.
URL: https://www.mayeyecare.com/lasik/what-should-i-expect-before-during-and-after-lasik

**Q: Who Should Not Get LASIK?**
A: You should not get LASIK if your prescription is unstable, your cornea is too thin or irregular, you have keratoconus or suspicious corneal mapping, significant uncontrolled dry eye, active eye disease, certain healing problems, or unrealistic expectations. Pregnancy, breastfeeding, autoimmune disease, glaucoma concerns, cataract, prior eye disease, and some medications require special caution. A no-LASIK recommendation is often a safety decision, not a denial of vision correction.
URL: https://www.mayeyecare.com/lasik/who-should-not-get-lasik

**Q: Will I Still Need Glasses or Contacts After LASIK?**
A: Many LASIK patients greatly reduce their dependence on glasses or contacts, especially for distance vision, but LASIK does not guarantee glasses-free vision for every task forever. Some patients still need glasses for night driving, fine detail, residual prescription, dry-eye fluctuations, or reading after age 40. The goal should be reduced dependence, not a promise of perfection.
URL: https://www.mayeyecare.com/lasik/will-i-still-need-glasses-or-contacts-after-lasik

### macular degeneration (https://www.mayeyecare.com/macular-degeneration)

**Q: Can Macular Degeneration Be Treated?**
A: Yes, some forms can be treated or slowed. Wet AMD is commonly treated with anti-VEGF injections, and intermediate dry AMD may benefit from AREDS2 vitamins in selected patients. Early and regular monitoring is critical. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/can-macular-degeneration-be-treated

**Q: What Is the Difference Between Dry and Wet Macular Degeneration?**
A: Dry AMD is more common and usually progresses more slowly, while wet AMD involves abnormal leaking blood vessels under the retina and can cause faster vision loss. Wet AMD often requires injections to control leakage. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/difference-between-dry-wet-macular-degeneration

**Q: Do AREDS2 Vitamins Really Help Macular Degeneration?**
A: AREDS2 vitamins can help reduce the risk of progression from intermediate AMD to advanced AMD in appropriate patients. They do not prevent AMD in people without AMD, and they are not a cure. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/do-areds2-vitamins-really-help-macular-degeneration

**Q: What Is an Amsler Grid and How Do I Use It?**
A: An Amsler grid is a simple home test for the central retina. To use it: wear your reading glasses, hold the grid at comfortable reading distance (about 12–14 inches) in good light, cover one eye, and stare at the center dot, checking whether any lines look wavy, blurry, broken, or missing — then repeat with the other eye. Test each eye separately a few times a week, or daily if advised. Call us promptly at (717) 637-1919 if you notice new distortion or a new blank spot; new distortion can signal wet macular degeneration, where prompt treatment protects vision. The grid supplements — it never replaces — regular retinal exams. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/what-is-an-amsler-grid-and-how-do-i-use-it

**Q: What Is Macular Degeneration?**
A: Macular degeneration is an aging-related retinal disease that affects central vision. It can make reading, driving, and seeing faces harder while side vision may remain relatively preserved. Early diagnosis helps determine monitoring, vitamins, and treatment options. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/what-is-macular-degeneration

**Q: Why Do Straight Lines Look Wavy?**
A: Straight lines that look wavy can be a sign of macular distortion. Possible causes include wet macular degeneration, macular edema, epiretinal membrane, or other retinal disease. New distortion should be evaluated promptly. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/macular-degeneration/why-do-straight-lines-look-wavy

### neuro ophthalmology (https://www.mayeyecare.com/neuro-ophthalmology)

**Q: Can Eye Strain Cause Headaches?**
A: Yes. Eye strain is a common, benign cause of headaches, especially a dull ache across the forehead, brow, or temples that builds during long stretches of reading, computer work, or driving. When the eye's focusing muscles work overtime to keep blurry text sharp, the effort produces tired, achy eyes and a tension-type headache that eases with rest. An uncorrected or outdated glasses prescription, uncorrected astigmatism, presbyopia after age 40, and dry eye are the usual culprits.
URL: https://www.mayeyecare.com/neuro-ophthalmology/can-eye-strain-cause-headaches

**Q: Can Lupus Affect the Eyes?**
A: Yes. Lupus (systemic lupus erythematosus) can affect the eyes in several ways. The most common is dry eye from associated Sjogren's-type dryness. More significant problems include lupus retinopathy, where the disease damages the small blood vessels of the retina, and, less often, inflammation of the optic nerve or the eye's blood vessels; retinal involvement in particular tends to track with active, serious lupus. A separate consideration is the eye monitoring needed for hydroxychloroquine (Plaquenil), a mainstay lupus medication that requires periodic retinal screening.
URL: https://www.mayeyecare.com/neuro-ophthalmology/can-lupus-affect-the-eyes

**Q: Can Rheumatoid Arthritis Affect the Eyes?**
A: Yes. Rheumatoid arthritis can affect the eyes in several ways. Its most common eye problem is severe dry eye from associated Sjogren's-type dryness, causing burning, grittiness, and irritation. More seriously, rheumatoid arthritis is the leading systemic cause of scleritis, a deep, painful inflammation of the white wall of the eye, and it can also inflame or thin the cornea. Scleritis and corneal involvement can threaten the eye and often signal active arthritis, so a red, deeply aching eye in a rheumatoid patient should be examined promptly.
URL: https://www.mayeyecare.com/neuro-ophthalmology/can-rheumatoid-arthritis-affect-the-eyes

**Q: Can Thyroid Disease Cause Double Vision?**
A: Yes. Thyroid disease, especially the autoimmune form called Graves' disease, can cause double vision by inflaming and swelling the muscles that move the eyes. When those muscles thicken and stiffen, the two eyes no longer aim at the same point, so the brain sees two images. New double vision should be evaluated promptly, because it can also signal other serious problems, and in thyroid eye disease it can occasionally reflect pressure on the optic nerve.
URL: https://www.mayeyecare.com/neuro-ophthalmology/can-thyroid-disease-cause-double-vision

**Q: Is Uveitis Serious?**
A: Yes, uveitis is a serious condition and should be treated as one. It is inflammation inside the eye that, if left untreated or poorly controlled, can lead to glaucoma, cataract, swelling of the central retina, and permanent vision loss, and it is a notable cause of avoidable blindness. The reassuring part is that with prompt diagnosis and proper treatment, most people keep good vision, which is exactly why it needs early, attentive care rather than watchful waiting.
URL: https://www.mayeyecare.com/neuro-ophthalmology/is-uveitis-serious

**Q: What Causes Double Vision and When Is It Serious?**
A: Double vision may come from optical problems, eye muscle imbalance, cranial nerve palsy, thyroid eye disease, stroke, aneurysm, myasthenia gravis, trauma, or inflammation. Sudden binocular double vision is serious until proven otherwise. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-causes-double-vision-and-when-is-it-serious

**Q: What Causes Recurrent Eye Inflammation?**
A: Recurrent eye inflammation, meaning inflammation that keeps coming back, is most often driven by an underlying autoimmune or systemic condition rather than a fresh infection each time. Common culprits include recurrent uveitis linked to the HLA-B27 gene and conditions like ankylosing spondylitis, as well as sarcoidosis, rheumatoid arthritis, lupus, inflammatory bowel disease, and reactivating infections such as herpes viruses. When inflammation returns again and again, the priority is to find and treat the root cause, not just calm each flare.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-causes-recurrent-eye-inflammation

**Q: What Causes Sudden Drooping of One Eyelid?**
A: Sudden drooping of one eyelid (ptosis) can be benign, but it can also be the sign of a serious neurologic or vascular problem, so a new, sudden droop should be evaluated promptly. The most urgent causes are a third-nerve palsy, which may be due to a brain aneurysm and typically also causes a dilated pupil and double vision, and Horner syndrome, a mild droop with a small pupil that can rarely come from a carotid artery dissection or stroke. When a sudden droop comes with double vision, an unequal pupil, severe headache, or weakness, treat it as an emergency.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-causes-sudden-drooping-of-one-eyelid

**Q: What Causes Temporary Vision Loss?**
A: Temporary vision loss, where sight dims, greys out, or disappears and then returns, can come from benign causes like migraine, but it is also a classic warning of dangerous problems such as a transient ischemic attack (a mini-stroke), reduced blood flow from carotid or heart disease, or giant cell arteritis in people over 50. Brief loss in one eye that clears within minutes (amaurosis fugax) is especially concerning for an impending stroke and is a medical emergency. Because you cannot reliably tell a benign cause from a dangerous one on your own, any episode of temporary vision loss should be evaluated promptly.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-causes-temporary-vision-loss

**Q: What Is an Ocular Migraine?**
A: An ocular migraine is a migraine that causes temporary visual symptoms, most commonly a shimmering, zigzag, or expanding blind spot that lasts about 10 to 30 minutes and then clears completely. In everyday use the term covers two things: migraine with visual aura, which affects the vision of both eyes because it starts in the brain, and the rarer retinal migraine, which causes vision loss or flickering in just one eye. Both are usually benign and often occur with or just before a headache, though the headache can be mild or absent.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-an-ocular-migraine

**Q: What Is Episcleritis?**
A: Episcleritis is inflammation of the episclera, the thin layer of tissue just over the white of the eye. It causes a sector or patch of redness with mild irritation, a scratchy or gritty feeling, and sometimes tenderness, but usually little or no deep pain and no loss of vision. It is generally benign and self-limited, often clearing on its own within a week or two, and is far milder than the deeper, dangerous inflammation called scleritis, though rarely it can accompany an underlying autoimmune condition.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-episcleritis

**Q: What Is Giant Cell Arteritis and How Can It Affect Vision?**
A: Giant cell arteritis is an inflammation of medium and large arteries, including those that supply the optic nerve, and it is a true emergency because it can cause sudden, permanent vision loss in one eye and then the other within days if untreated. It affects people over 50 and typically causes a new headache, scalp tenderness, jaw pain when chewing, and sometimes brief episodes of vision loss before permanent loss occurs. When it is suspected, high-dose steroids are started immediately, even before confirmatory testing, to protect vision.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-giant-cell-arteritis-and-how-can-it-affect-vision

**Q: What Is Optic Neuritis?**
A: Optic neuritis is inflammation of the optic nerve, the cable that carries visual signals from the eye to the brain. It typically causes blurred vision, dim or washed-out colors, and a blind spot in one eye, often with pain that worsens when you move the eye. It most commonly affects adults younger than 45 and more women than men, and in some people it can be the first sign of multiple sclerosis. Most people recover much of their vision, and evaluation is important because the inflammation and its underlying cause need to be identified and sometimes treated.
Dr. May: Optic neuritis is inflammation of the optic nerve and often causes decreased vision, pain with eye movement, reduced color brightness, or a central blur in one eye. It can be associated with multiple sclerosis and other inflammatory, infectious, or autoimmune conditions. This is not a routine glasses problem. New painful vision loss, especially in a younger adult, deserves prompt evaluation and often neuro-ophthalmic or neurologic workup. The eye exam helps localize the problem, but MRI and systemic evaluation may be needed. This is where the MECCA of Eye Care message is practical, not promotional: trusted, repeated eye care helps patients know which symptoms can wait and which symptoms require same-day ophthalmology or emergency evaluation.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-optic-neuritis  (includes video)

**Q: What is Papilledema?**
A: Papilledema means both optic nerves are swollen because the pressure inside the skull is elevated — and it is treated as urgent until proven otherwise, because causes range from idiopathic intracranial hypertension to a mass, bleed, or clot. Warning symptoms include headaches that are often worse on waking or lying down, brief seconds-long dim-outs of vision, double vision, pulsatile whooshing in the ears, and nausea. Suspected papilledema calls for same-day evaluation and urgent brain imaging — call us at (717) 637-1919 immediately, or go to the emergency room.
Dr. May: Papilledema means optic nerve swelling from increased pressure inside the skull until proven otherwise. This can be serious and may be associated with headaches, transient vision dimming, double vision, nausea, vomiting, or pulsatile whooshing in the ears. True papilledema is not just an eye finding; it can signal a brain pressure problem requiring urgent imaging and medical evaluation. The critical first step is distinguishing true papilledema from look-alikes such as optic disc drusen, then protecting both vision and neurologic safety. For patients in Hanover, York, Adams County, South Central Pennsylvania, and nearby Maryland, sudden vision loss, flashes, floaters, a curtain in vision, painful vision loss, or neurologic symptoms should be treated as urgent until an ophthalmologist examines the eye.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-papilledema  (includes video)

**Q: What Is Scleritis?**
A: Scleritis is inflammation of the sclera, the tough white outer wall of the eye. Unlike ordinary red eye, it causes deep, severe, boring pain that can radiate to the brow, jaw, or side of the head and often wakes patients from sleep, along with a deep redness that does not blanch with over-the-counter drops. Scleritis is serious and can threaten the eye, and it is frequently a sign of an underlying autoimmune disease such as rheumatoid arthritis or vasculitis, so it needs prompt evaluation and treatment.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-scleritis

**Q: What Is Thyroid Eye Disease?**
A: Thyroid eye disease is an autoimmune condition, usually linked to Graves' disease, in which the immune system inflames and swells the muscles and fatty tissue behind the eyes. As those tissues enlarge inside the rigid bony socket, the eyes are pushed forward (bulging), the upper lids pull back so more white shows, and swollen eye muscles can stop moving smoothly, causing double vision. In severe cases the swelling crowds the optic nerve and threatens sight.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-thyroid-eye-disease

**Q: What Is Uveitis?**
A: Uveitis is inflammation inside the eye, in the layer called the uvea that includes the iris, the ciliary body, and the choroid. It is classified by location: anterior (front, involving the iris) is most common and often causes a painful, red, light-sensitive eye; intermediate and posterior forms affect the middle and back of the eye and tend to blur vision and add floaters. Uveitis is not ordinary pink eye; it is inside-the-eye inflammation that can threaten sight and needs prompt examination and treatment.
URL: https://www.mayeyecare.com/neuro-ophthalmology/what-is-uveitis

**Q: When Are Headache and Vision Changes an Emergency?**
A: A headache with vision changes is an emergency when it is sudden and severe (the worst or a thunderclap headache), or when the vision change comes with loss of vision, a curtain or shadow across your sight, new double vision, a drooping eyelid, an unequal or newly enlarged pupil, or neurologic symptoms such as weakness, numbness, facial droop, confusion, or trouble speaking. These combinations can signal a stroke, a brain aneurysm, dangerously high pressure inside the head, or giant cell arteritis, all of which need immediate care. When in doubt, treat it as an emergency and be evaluated right away rather than waiting.
URL: https://www.mayeyecare.com/neuro-ophthalmology/when-are-headache-and-vision-changes-an-emergency

**Q: Why Are My Eyes Bulging?**
A: Bulging eyes (proptosis) mean something behind the eye is taking up extra room in the bony socket and pushing the eyeball forward. In adults, the most common cause is thyroid eye disease, which usually pushes both eyes forward; other causes include an orbital mass, inflammation of the socket, an infection behind the eye, or abnormal blood vessels. A rapidly bulging eye, especially on one side, or one with pain, redness, or vision change, needs prompt evaluation and imaging.
URL: https://www.mayeyecare.com/neuro-ophthalmology/why-are-my-eyes-bulging

**Q: Why Are My Eyes Sensitive to Light?**
A: Light sensitivity can come from dry eye, migraine, corneal irritation, inflammation, infection, or eye pressure problems. Painful light sensitivity or decreased vision needs prompt evaluation. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/neuro-ophthalmology/why-are-my-eyes-sensitive-to-light

**Q: Why Do I Get Headaches Behind My Eyes?**
A: Pain felt behind the eyes most often comes from tension-type headache, migraine, sinus congestion, eye strain from uncorrected vision, or dry eye, rather than from a problem inside the eye itself. The eye sits close to the sinuses, forehead muscles, and nerves, so pain from those nearby structures is easily felt as pressure behind the eye. Only occasionally does true eye disease or a neurologic cause produce this pain, and those come with distinctive warning signs.
URL: https://www.mayeyecare.com/neuro-ophthalmology/why-do-i-get-headaches-behind-my-eyes

**Q: Why Do I See Zigzag Lines or Shimmering Lights?**
A: Shimmering, zigzag, or wavy lines drifting across your vision are most often a migraine visual aura, a temporary disturbance in the brain's visual cortex that typically lasts 10 to 30 minutes and then clears completely, with or without a headache afterward. Because the aura arises in the brain, the pattern appears in both eyes' field of view. Less commonly, brief sparkles or arcs of light can come from the vitreous gel tugging on the retina, which is a different situation that needs a dilated exam.
URL: https://www.mayeyecare.com/neuro-ophthalmology/why-do-i-see-zigzag-lines-or-shimmering-lights

**Q: Why Is One Pupil Bigger Than the Other?**
A: Pupils that are slightly different in size (anisocoria) are common and often completely normal; about one in five people have a small, longstanding difference that causes no symptoms. It becomes concerning when the difference is new, when it comes with a drooping eyelid, double vision, eye pain, or a severe headache, or when the difference changes noticeably in bright versus dim light. Those patterns can point to nerve problems such as a third-nerve palsy (sometimes from an aneurysm) or Horner syndrome, which need prompt evaluation, so a new or symptomatic change in pupil size should be checked.
URL: https://www.mayeyecare.com/neuro-ophthalmology/why-is-one-pupil-bigger-than-the-other

### retina and vitreous (https://www.mayeyecare.com/retina-and-vitreous)

**Q: Are Eye Floaters Normal?**
A: Some floaters are common, especially with aging or nearsightedness. A stable floater that has been present for years is usually less concerning. A sudden new floater, shower of floaters, flashes, or a shadow in vision needs a prompt dilated retinal exam. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/are-eye-floaters-normal

**Q: Do Eye Injections Hurt?**
A: For most people, eye injections hurt far less than they expect. The eye is numbed thoroughly with anesthetic drops or gel before the injection, so the injection itself is usually felt as brief pressure rather than a sharp pain. Afterward, many patients notice mild soreness, grittiness, or a scratchy feeling for a day or so, along with possible redness, but significant pain is uncommon and usually easily managed.
URL: https://www.mayeyecare.com/retina-and-vitreous/do-eye-injections-hurt

**Q: How Often Do Patients Need Eye Injections?**
A: How often eye injections are needed depends on the condition and how the eye responds, but a common pattern is to start with monthly injections for the first few months and then gradually extend the interval. Many patients settle into treatment every one to three months, and some stretch further, while others need them more frequently. The schedule is set by tracking fluid on OCT imaging, not by a fixed calendar, because the goal is to give the fewest injections that keep the retina dry and vision stable.
URL: https://www.mayeyecare.com/retina-and-vitreous/how-often-do-patients-need-eye-injections

**Q: What Are Anti-VEGF Eye Injections?**
A: Anti-VEGF eye injections are medications injected into the eye to block VEGF, a protein that drives abnormal blood vessel growth and leakage in the retina. They are the main treatment for wet age-related macular degeneration, diabetic macular edema, and swelling from retinal vein occlusions. Given in the office after numbing the eye, they reduce leakage and swelling, and for many patients they stabilize or improve vision that would otherwise decline.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-are-anti-vegf-eye-injections

**Q: What Are the Symptoms of a Retinal Detachment?**
A: Retinal detachment symptoms can include sudden floaters, flashes, a curtain or shadow over vision, loss of peripheral vision, or blurred vision. This is an urgent condition because detached retina can lead to permanent vision loss. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-are-the-symptoms-of-a-retinal-detachment

**Q: What Are the Warning Signs of a Retinal Tear?**
A: Warning signs of a retinal tear include sudden floaters, flashes, a new cobweb, a curtain or shadow, decreased side vision, or symptoms after trauma or eye surgery. Retinal tears can often be treated before they become a detachment if caught promptly. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-are-the-warning-signs-of-a-retinal-tear

**Q: What Does It Mean to Have a Stroke in the Eye?**
A: A stroke in the eye means a sudden loss of blood flow to the eye, most often a blocked artery in the retina, called a central retinal artery occlusion. It causes sudden, painless, often severe vision loss in one eye, and it is a true emergency that must be treated like a stroke anywhere else in the body. If this happens, call 911 or go immediately to a stroke-capable emergency room, do not wait to see if it improves and do not wait for a routine eye appointment.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-does-it-mean-to-have-a-stroke-in-the-eye

**Q: What is a choroidal nevus?**
A: A choroidal nevus is a flat, pigmented spot in the choroid — the blood-vessel layer under the retina — essentially a freckle inside the eye. Most cause no symptoms, do not affect vision, and never cause trouble. But like a skin mole, a small percentage can transform into choroidal melanoma over time, so a nevus should be photographed and measured, then re-examined periodically — typically every 6–12 months at first — watching for growth, orange pigment, or fluid under the retina. If you have been told you have one, keep those monitoring visits even though you feel nothing.
Dr. May: A choroidal nevus is essentially a freckle inside the eye, usually benign, but it must be documented and monitored because a small number can resemble or transform into melanoma. The important features include size, thickness, orange pigment, fluid, symptoms, and change over time. Patients cannot monitor this themselves in the mirror. Photos, OCT, ultrasound, and periodic dilated exams help determine whether it is stable. Most nevi are simply watched, but suspicious features require retina or ocular oncology evaluation. This page gives patients a direct, trustworthy explanation, but the right diagnosis still depends on a real ophthalmology exam that evaluates the cornea, lens, retina, optic nerve, and ocular surface. At May Eye Care Center in Hanover, PA, this patient education supports the MECCA of Eye Care approach: a trusted regional destination for yearly exams, clear answers, and long-term vision protection across South Central Pennsylvania and Maryland.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-choroidal-nevus  (includes video)

**Q: What Is a Macular Hole?**
A: A macular hole is a small, full-thickness gap that opens in the very center of the macula, the part of the retina responsible for your sharpest, straight-ahead vision. It causes a blurred or distorted spot, and often a small blind area, right in the middle of your sight, usually in one eye. Most macular holes are treated successfully with surgery, a vitrectomy with a gas bubble, which closes the hole and improves vision.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-macular-hole

**Q: What Is a Macular Pucker?**
A: A macular pucker is the same condition as an epiretinal membrane: a thin layer of scar-like tissue on the surface of the macula that can contract and wrinkle, or pucker, the central retina. That wrinkling blurs and distorts straight-ahead vision, so lines may look wavy and print may seem smeared. It is usually mild and slowly changing, and when it becomes bothersome it can be treated surgically by peeling the membrane.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-macular-pucker

**Q: What Is a Posterior Vitreous Detachment?**
A: A posterior vitreous detachment, or PVD, is when the vitreous gel separates from the retina. It is common with aging, but the first symptoms can mimic a retinal tear, so new floaters or flashes need a dilated exam. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-posterior-vitreous-detachment

**Q: What is a retinal detachment?**
A: A retinal detachment is an emergency: the retina peels away from the wall of the eye, and the separated tissue stops working — like wallpaper coming off a wall. The warning signs are a sudden burst of new floaters, flashes of light, and especially a dark curtain or shadow spreading across your vision. It is painless, which fools people into waiting. Do not wait: call us the same day at (717) 637-1919, or go to the emergency room after hours. Surgery can reattach the retina, and results are far better when the central vision has not yet detached.
Dr. May: A retinal detachment is an emergency because the retina is the seeing tissue of the eye, and once it separates from its normal position, vision can be permanently damaged. Warning symptoms include new flashes, sudden floaters, a curtain or shadow, or sudden peripheral or central vision loss. This should not be treated with drops or watched at home. Prompt dilated examination is critical. The sooner a detachment is diagnosed and repaired, the better the chance of preserving useful vision. This is where the MECCA of Eye Care message is practical, not promotional: trusted, repeated eye care helps patients know which symptoms can wait and which symptoms require same-day ophthalmology or emergency evaluation.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-retinal-detachment  (includes video)

**Q: What is a retinal tear?**
A: A retinal tear happens when the shrinking vitreous gel pulls hard enough to rip the retina — usually announced by a sudden shower of new floaters or flashes of light. The tear itself is painless and can seem minor, but fluid can pass through it and peel the retina off within days, turning a five-minute laser fix into major surgery. New flashes or a burst of floaters warrant a dilated exam promptly — same day or next day, not at a routine future visit. Call (717) 637-1919; a tear caught early is usually sealed with a quick in-office laser.
Dr. May: A retinal tear often occurs when the vitreous gel pulls hard enough to rip the retina. Symptoms may include flashes, new floaters, or a shower of spots. A tear can progress to retinal detachment if fluid passes through the break and lifts the retina. That is why sudden flashes and floaters deserve a dilated retinal exam, especially in nearsighted patients, after trauma, or after eye surgery. Catching a tear before detachment is exactly when treatment can be most protective. For patients in Hanover, York, Adams County, South Central Pennsylvania, and nearby Maryland, sudden vision loss, flashes, floaters, a curtain in vision, painful vision loss, or neurologic symptoms should be treated as urgent until an ophthalmologist examines the eye.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-retinal-tear  (includes video)

**Q: What Is a Retinal Vein Occlusion?**
A: A retinal vein occlusion is a blockage of one of the veins that drains blood out of the retina. When the vein backs up, blood and fluid leak into the retina, causing bleeding, swelling, and usually a sudden, painless drop or blurring of vision in one eye. Treatment often includes anti-VEGF injections to reduce the swelling, along with managing the blood pressure and vascular health that contributed to the blockage.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-a-retinal-vein-occlusion

**Q: What Is an Epiretinal Membrane?**
A: An epiretinal membrane is a thin sheet of scar-like tissue that grows on the surface of the macula, the central part of the retina you use for reading and seeing detail. As it contracts, it can wrinkle the retina underneath and cause blurred or slightly distorted central vision, where straight lines look wavy or bent. Many cases are mild and stay stable for years; when vision becomes bothersome, a retina surgeon can peel the membrane away during a vitrectomy.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-an-epiretinal-membrane

**Q: What Is Central Retinal Artery Occlusion?**
A: Central retinal artery occlusion is a sudden blockage of the main artery that supplies blood to the retina, and it is the eye's version of a stroke. It causes sudden, painless, and usually severe loss of vision in one eye. This is a true emergency: call 911 or go immediately to a stroke-capable emergency room, do not wait to see if it clears and do not wait for a routine eye visit, because the retina can only survive a short time without blood flow.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-central-retinal-artery-occlusion

**Q: What Is Hypertensive Retinopathy?**
A: Hypertensive retinopathy is damage to the small blood vessels of the retina caused by high blood pressure. It usually produces no symptoms and is found during a dilated eye exam, where the doctor sees narrowed arteries, crossing changes, and sometimes small hemorrhages or leakage. It is important because the retina offers a direct window on how high blood pressure is affecting blood vessels throughout your body, and the main treatment is getting blood pressure under good control.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-hypertensive-retinopathy

**Q: What is laser treatment for a retinal tear?**
A: Laser retinopexy seals a retinal tear before it can progress to a detachment. After numbing drops, the surgeon applies a ring of tiny laser spots around the tear; over the following days those spots form scars that weld the retina to the wall of the eye — like spot-welding around a hole. It takes minutes in the office and discomfort is minimal. Afterward, follow any activity restrictions you are given, and report new floaters, flashes, or a curtain in your vision immediately — new tears can still form elsewhere, so the warning signs still apply.
Dr. May: Laser treatment for a retinal tear creates a controlled scar around the break to reduce the chance of fluid passing through and causing a retinal detachment. The laser does not remove floaters and does not make the vitreous pull disappear; it barricades the tear. Patients still need follow-up because additional tears can occur. After treatment, worsening flashes, new floaters, a curtain, or decreased vision should be reported urgently. Retinal laser is preventive treatment, not a reason to ignore new symptoms. This is where the MECCA of Eye Care message is practical, not promotional: trusted, repeated eye care helps patients know which symptoms can wait and which symptoms require same-day ophthalmology or emergency evaluation.
URL: https://www.mayeyecare.com/retina-and-vitreous/what-is-laser-treatment-for-a-retinal-tear  (includes video)

**Q: When Are Floaters an Emergency?**
A: Floaters are an emergency when they are sudden, numerous, associated with flashes, accompanied by a curtain or shadow, or paired with decreased vision. Those symptoms can indicate a retinal tear or detachment. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/when-are-floaters-an-emergency

**Q: Why Am I Seeing Flashes of Light?**
A: Flashes of light often happen when the vitreous gel pulls on the retina. New flashes should be evaluated because traction can sometimes create a retinal tear or detachment. This article is educational and does not replace a medical eye examination. If you have sudden vision loss, severe pain, new flashes or floaters, a curtain or shadow in your vision, chemical exposure, trauma, or neurologic symptoms, seek urgent eye care.
URL: https://www.mayeyecare.com/retina-and-vitreous/why-am-i-seeing-flashes-of-light