Abstract
An eye with angle closure glaucoma is anatomically characterized by a short axial length, a shallow anterior chamber, a thickened lens that is situated relatively anteriorly and a small corneal diameter. These conditions may lead to the development of relative pupillary block. Pupillary block is classically managed with a peripheral iridectomy which provides a route for the aqueous to drain. But in cases of an anteriorly placed thickened lens, appositional closure may persist even after a peripheral iridectomy has been done. In such cases lens extraction has been proved to have a significant role. This review aims to explore the available evidence about lens extraction in primary angle closure patients.
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