If you are experiencing a medical emergency please dial 911 immediately
A cataract is a partial or complete cloudiness in the lens in the eye. The lens is enclosed by the lens capsule. The cornea is the clear outer layer at the front of the eye.
Last Revised: August 24, 2011
Author: Healthwise Staff
Medical Review: Adam Husney, MD, MD - Family Medicine & Carol L. Karp, MD - Ophthalmology
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