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Color Blindness

March 21, 2007 Color Blindness admin

About 12 to 20% of the while male population is color blind, compared to a very tiny percentage of the female population. Color blindness is when you cannot perceive the difference between some or all colors that most people can. This is a genetic trait but can also result from eye, nerve or brain damage as well as exposure from certain harsh chemicals.

There are three types of inherited color vision deficiencies:

  1. Monochromacy–total color blindness, when color and lightness vision is reduced to one dimension.
  2. Dichromacy–moderately severe color vision defect, when color is reduced to two dimensions
  3. Anomalous Trichromacy–very rare, a total absence of blue retinal receptors.

Basically, the two major types of color blindness can be summed up as those who can’t distinguish between red and green and those who can’t distinguish between blue and yellow. Look below to take some tests and discover if you are color blind. You should see a number in each of the dots.

 

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Click here for the answers to what numbers are in the dots…

25
45
6

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