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Primary angle-closure glaucoma (0)

Angle-closure glaucoma (ACG) is a condition in which the iris is apposed to the trabecular meshwork at the angle of the anterior chamber of the eye. When the iris is pushed or pulled anteriorly to block the trabecular meshwork, the outflow of aqueous from the eye is blocked, which causes a rise in intraocular pressure (IOP). If closure of the angle occurs suddenly, symptoms are severe and dramatic. Immediate treatment is essential to prevent damage to the optic nerve and loss of vision. Chronic angle-closure glaucoma (CACG) refers to an eye in which portions of the anterior chamber angle are closed permanently by peripheral anterior synechiae (PAS)