Definition of Cataract surgery

Reviewed on 3/29/2021

Cataract surgery: Removal of the clouded (cataractous) lens in its entirety via surgery and replacement of the lens with an intraocular lens (IOL) made of plastic. A typical cataract operation takes about an hour, requires local anesthesia only, and usually does not require hospitalization.


Cataracts Causes, Symptoms, Vision Tests, and Surgery See Slideshow

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