Colorblindness is a defect of vision affecting the ability to distinguish colors. There are many different types of colorblindness. Partial colorblindness is called dichromatism. The most common form is red-green and has a wide range of variability within this group from very mild to very extreme. The second most common form is blue-green, and a red-green deficit is usually associated with this form. The most severe form of colorblindness is achromatopsia (or monochromatism), the inability …showed first 75 words of 527 total…

…showed last 75 words of 527 total…and the degree of colorblindness. Another test, the Holmgren test, measures the ability to match colors. Colorblindness is a life-long condition. There is no prevention for it because it is an inherited disorder. If you have this disorder, you must learn to cope with it. It can also have a positive side however. People with this can discern details and images that might escape normal sighted people. Most people compensate well for having this disorder.