Glaucoma · Patient video

Can Marijuana help treat Glaucoma?

Medically reviewed by Carl J. May Jr., MD · American Board of OphthalmologyLast updated June 2026
Transcript

Can marijuana really help treat glaucoma? Glaucoma is usually associated with elevated pressure in the eye You may have heard marijuana decreases pressure in the eye, but the effect only lasts a few hours The eye pressure must be controlled all day long to prevent vision loss Prescription eye drops and surgery are the most effective ways to treat glaucoma Talk to your eye doctor about managing your glaucoma.

What’s in this video

Marijuana can lower eye pressure, but only for a few hours — and glaucoma needs round-the-clock control to prevent vision loss. That's why proven options like prescription drops and surgery, not marijuana, remain the recommended treatments.

This page and video are for general patient education and are not a substitute for a medical examination, diagnosis, or treatment. Eye conditions vary by individual. For advice about your eyes, schedule an evaluation or call (717) 637-1919. In an emergency, call 911.

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