Most of the time color blindness makes it hard to tell the difference between certain colors. Are color blind with men making up most of that number.
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Red green color blindness is the most common color vision deficiency.
Percentage of color blind people. Color blindness or color vision deficiency affects about 27 million people in britain. Wiki user september 21 2009 326pm. It also depends on the gender.
Therefore most of the researches found regard this type of colorblind population. Approximately half of colour blind people will have a mild anomalous deficiency the other 50 have moderate or severe anomalous conditions. If you have color blindness it means you see colors differently than most people.
Evidence from opticians is that about 10 of the male population who have been tested have been found to. One might expect the percentage of affected people to be relatively constant in all countries however this is far from the truth. In most caucasian societies up to 1 in 10 men suffer however only 1 in 100 eskimos are color blind.
Another frequently cited statistic is that only about 2 of all people who are blind and visually impaired work with guide dogs guiding eyes for the blind. Some people think color blind means seeing only in greyscale but in fact most of these folks are red green or blue yellow color blind meaning its hard to distinguish between these hues. The 8 of colour blind men can be divided approximately into 1 deuteranopes 1 protanopes 1 protanomalous and 5 deuteranomalous.
It depends on the type of color blindness and on the population. In many individuals the condition is mild and a person is unaware there is a problem with their color. There is no solid proof as to the cause of this however it is logical to assume that less of the original eskimos carried the defective gene so the likelihood of it infecting the gene pool was quite a lot lower.
What is the percentage of color blind people. Color blindness by nationality. Read about the types of color blindness and its symptoms risk factors causes diagnosis and treatment.
Families are not a good source of numbers concerning color blindness because vision deficiencies are inherited and therefore some families are affected much more than others. Only about 8 to 9 percent of people in the us. Here is a chart with the prevalence of color blindness.
Color blindness is very very uncommon for females.
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