Cataract Formation

EyeSmart — American Academy of Ophthalmology
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Published on Nov 23, 2010

In the healthy eye, the lens is clear and allows light rays to pass through unobstructed. As a cataract forms, the lens gradually becomes cloudy. As light passes through this cloudy lens, it is no longer clearly focused on the retina, causing images to appear hazy or blurred. Learn more at http://www.geteyesmart.org.

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