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Color Blindness - School Essays

Color Blindness


Many people refer to problems with one’s ability to see color as , however, unless a person can’t see any color at all, color vision problems should be called by another term. Common terms are abnormal color vision, color deficiency and color vision confusion. Females maybe be effected by , but usually they are just carriers. Males are more often affected. About 8% of males and 0.5% of females are effected by .
Although may be a result of another eye disorder, the majority of color blind cases are hereditary and present at birth.
The retina, is a complex nerve system which converts light energy into electrical energy that is then transmitted to the brain. This conversion is ...

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for encoding white and black.
results when one or more of the cone cells fail to function properly. One of the visual pigments may be functioning abnormally, or be absent altogether.
There are several different types of , however, complete , or achromatopsia, is probably the simplest to understand. This is the rarest form of . This is when no colors can be seen at all. The color receptors are almost completely gone in this form, however, the white and black receptors remain intact. However, this condition is often misdiagnosed without proper testing.
There are three basic types of : deuteranopia, protanopia and tritanopia. Deuteranopia is a condition in which people have trouble dealing with green. These people are one of the largest groups of color blind people. Very often, these people also have a problem with red. These people can often distinguish red or green when with other colors, but when it is by itself, it is very difficult. Many people will just see it as ...

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PAPER DETAILS
Added: 9/3/2006 09:58:05 PM
Category: Science & Nature
Type: Premium Paper
Words: 722
Pages: 3

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