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What Is The Rate Of Occurence For Color Blindness In Various Major Racial Groups
Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more
8 %: Color blindness is an inherited deficiency in color recognition which occurs in about 7.5% of males and 1/2% of females. There are some variations in different racial and country groups. It is generally not functionally a problem except for certain occupational groups such as fruit graders, painters, etc. ...Read more
About 8%: The standard statistics for inherited color deficiency is about 7.5% in males and 1/2 % in females. This can vary somewhat with different racial groups. The degree of color deficiency and the type are variable so your ophthalmologist can test you and see in which category you are if that is important to you and also give you information about your family possibilities. ...Read moreSee 1 more doctor answer
Several: There are serious color deficiencies due to total substitution causing confusion in the red-green or yellow-blue axis. There are less serious ones causing confusion only for desaturated colors in the same axis. Rarely all color may not be perceived and there are color deficiencies due to broad spectrum retinal and optic nerve diseases like diabetes and optic nerve dysfunction. ...Read more
Color blindness: There is no such condition as "reverse color blindness." the most common type of color "blindess" typically occurs in males. These people confuse red and green colors. In rare cases, people can be born with complete color blindness and only see colors as various shades of light and dark. In severe cases of color blindness, patients often don't see very well either. ...Read moreSee 1 more doctor answer
Needs little help: Most school activities including classwork and sports, do not depend upon color recognition. The color deficient tend to make bland choices when confronted with color choices, and might have some minor alteration in doing things like crafts and art. But they are not handicapped and can perform to the level of their intellectual capacity. Anything you do might call attention to this difference. ...Read moreSee 2 more doctor answers
Comparison with peer: They usually discover this when they are in a situation in which color choice is necessary and they notice their peers making choices difficult or impossible for them. This usually occurs in school such as when picking crayons to color a picture or using colored papers and picking the wrong color for a certain task. Then they can be formally tested to determine the actual type. ...Read moreSee 1 more doctor answer
Muted color: Most color deficient persons have normal acuity so they can see the smaller things that ordinary people can see. But their color distinction is altered and they will confuse some colors with others - so they observe a muted palatte of colorl. ...Read more
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