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... Colorblindness is the inability to perceive colors in a normal fashion.
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www.nlm.nih.gov/medlineplus/ency/article/001002.htm#Def...
www.nlm.nih.gov/medlineplus/ency/article/001002.htm#Definition
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Services and providers for Color Blindness in the U.S. ... The primary NIH organization for research on Color Blindness is the National Eye Institute ... Most of the time, color blindness is genetic. There is no treatment, but most people adjust and the condition doesn't limit their activities.
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www.nlm.nih.gov/medlineplus/colorblindness.html
www.nlm.nih.gov/medlineplus/colorblindness.html
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Color blindness is usually classed as disability; however, in selected situations color blind people may have advantages over people with normal color vision.
http://en.wikipedia.org/wiki/Color_blindness
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To understand what causes color blindness, you need to be cool with cones and what they do. No, not ice cream cones! We're talking about the cones in your eyes.
http://www.cdc.gov/ncbddd/kids/kblindpage.htm
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To understand what causes color blindness, you need to know about the cones in your eyes. Cones in your eyes? Yes, but they're very small. These cones are cells on your retina, an area the size of a postage stamp that's at the back of your eye.
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kidshealth.org/kid/talk/qa/color_blind.html
kidshealth.org/kid/talk/qa/color_blind.html
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Color normal Color Deficient Dichromat ... The cones, each contain a light sensitive pigment which is sensitive over a range of wavelengths (each visible color is a different wavelength from approximately 400 to 700 nm). Genes contain the coding instructions for these pigments, and if the...
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colorvisiontesting.com/color2.htm
colorvisiontesting.com/color2.htm
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Color blindness is most often a genetic disorder, but it can be acquired due to illness, eye/brain/nerve damage, or chemicals. People with this condition tend to see a limited range of colors; a rare few may not see colors at all. The eye i...
http://wiki.answers.com/Q/What_is_color_blindness
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Learn about types of color blindness such as red green deficiency, and how to cope with daily vision problems. ... Color blindness is not a form of blindness at all, but a deficiency in the way you see color. With this vision problem, you have difficulty distinguishing certain colors, such as blue and yellow or red and green.
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www.allaboutvision.com/conditions/colordeficiency.htm
www.allaboutvision.com/conditions/colordeficiency.htm
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Tests for color blindness - Ishihara ... Below are the correct answers to what a person with normal color vision would see - and what I see (and most people with Red-Green color blindness). When you see what we can't see, you may understand why it's so tough to find the right sox and why we like bright colors,
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www.toledo-bend.com/colorblind/Ishihara.html
www.toledo-bend.com/colorblind/Ishihara.html
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