Laser iridotomy is a surgical procedure used to treat angle closure glaucoma.

This laser procedure is also performed in patients who are at risk for angle-closure glaucoma. As with many medical conditions, it is preferable to treat patients at risk and thereby avoid vision loss.

What is angle-closure glaucoma?

Like other forms of glaucoma, angle-closure glaucoma has to do with pressure inside the eye. A normal eye constantly produces a certain amount of clear liquid called aqueous humor, which circulates inside the front portion of the eye. An equal amount of this fluid flows out of the eye through a very tiny drainage system called the drainage angle, thus maintaining a constant level of pressure within the eye.

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