Harvard Men's Health Watch

Protect your vision from glaucoma

Early detection and proper use of eye drops are essential to preventing vision loss.

Glaucoma is a leading cause of irreversible blindness and is more common with aging. The condition affects peripheral vision at first, but eventually becomes more widespread. Treatment with daily eye drops helps to slow the process, but it's best to start early. "Glaucoma tends to be like a snowball," says Dr. Brian Song, a glaucoma specialist at Harvard-affiliated Massachusetts Eye and Ear Infirmary. "It's easier to control it early than if you wait for it to build momentum."

Early glaucoma typically has no noticeable symptoms, so it's important to get regular eye exams and take medicine exactly as prescribed in order to prevent or reduce vision loss in the long term.

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