Cataracts Topic Guide

Cataracts: Cataracts is a condition usually associated with advanced age that impairs vision by causing cloudiness in the lens of the eye. Treatment involves surgery on the eye to replace the lens with an artificial one.

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Anatomy and Physiology of the Eye Even though the eye is small, only about 1 inch in diameter, it serves a very important function -- the sense of sight. Vision is by far the most used of the five senses and is one of the primary means that we use to gather information from our surroundings.

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