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Laser iridotomy uses a very focused beam of light to create a hole on the outer edge, or rim, of the iris, the coloured part of the eye. This opening allows fluid (aqueous humour) to flow between the anterior chamber, the front part of the eye, and the area behind the iris, the posterior chamber. This opening may decrease pressure in the eye and usually prevents sudden buildup of pressure within the eye, which occurs during an episode of acute closed-angle glaucoma.
Some people feel a mild but sharp sensation in the eye during this procedure. But there usually is no pain after laser iridotomy.
Laser iridotomy can be done without a hospital stay. You may need to stay for a few hours after your procedure. The doctor will need to make sure your eye pressure isn't going up. You will also need to see the doctor for a follow-up examination as recommended.
Laser iridotomy is mainly used to try to:
Laser iridotomy may prevent further episodes of sudden (acute) closed-angle glaucoma. It also may prevent slow-forming (subacute) closed-angle glaucoma in people who are at risk for the condition.
Complications of laser iridotomy may include:
Later complications may include:
Current as of: October 12, 2022
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Christopher J. Rudnisky MD, MPH, FRCSC - Ophthalmology
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