colblindor.com - Colblindor – All about Color Blindness

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Color blindness (or colour blindness — or more specific color vision deficiency (CVD)) is well known but hard to imagine if you are not suffering from it. So usually people are either looking for more information to learn about color blindness and all its details , would like to better understand the vision by simulating it or want to test themselves with some form of color blindness test . All this you can be found here on color-blindness.com — and much more.

Color blindness affects approximately every 1 in 12 men (8%) and 1 in 200 women (0.5%). This means there is definitely one in your neighborhood or school class affected by it. Most of them are male, because the most common form called red-green color blindness (a term wich is also misleading ) is encoded on the x-chromosome and therefore sex-linked. As red-green color blindness is inherited from a mother to her son, a father never passes this type of color blindness on to his male children .

The term red-green color blindness is often used but actually not quite correct. Ever type of color vision deficiency affects the whole color spectrum and therefore can not be reduced to just certain colors. Of course, for the most often encountered types Protanomly (the milder form or red-weakness) or Protanopia (missing red cones, red-blindness) and Deuteranomaly (green-weakness) or Deuteranopia (green-blindness) the colors red and green are the most problematic and misinterpreted or indistinguishable one

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