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What Are Visual Defects and How Common Are They ? What Are Visual Defects and How Common Are They ? by Nate Schackow 2nd Period December 17, 1996 The human eye does alot more than allowing you to see. It is very complex and has many parts and features which can have defects. However, to understand defects you must first know how the eye works. First light passes through the cornea, which is the transparent part of the sclera, or white of the eye, which is composed of tough fiberous tissue. Behind the sclera is a watery fluid called the aqueous humor. This fluid fills a cresent-shaped space which with the cornea helps bend Approximate words: 367 Approximate pages: 2

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