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HBS 2.4.3

Macular degeneration, Retinitis Pigmentosa, Colorblindness, Cataracts
by

Sean Colbert

on 20 November 2012

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Transcript of HBS 2.4.3

Eye Disorders Age-Related Macular Degeneration Retinitis Pigmentosa Cataracts Colorblindness Normal Vision Normal Vision Normal Vision Vision with Macular Degeneration The macula is the very center of the retina. With this disease, the macula deteriorates, affecting central vision. AMD occurs when waste products from the retina build up in the Retinal Pigment Epithelium (RPE). Vision with Retinitis Pigmentosa Retinitis pigmentosa is caused by the death of rods and cones in the retina. Vision with Cataracts Cataracts occur when the lens gets cloudy and less clear. This causes the person to have blurry, less clear vision. Normal Vision Vision with red-green colorblindness Colorblindness is caused by the lack of cones in the retina or the cones are there but they don't work. It is a genetic disorder usually passed down by the father.
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