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A member asked:
How are the eye doctors test for color blindness?
3 doctors weighed in across 3 answers
Yes: They use a booklet or chart with pictures made up of dots of various colors. People who are color blind for certain colors will not be able to see the image in the picture.
Answered 3/8/2012
6.4k views
Yes: Doctors can tell if a person is color blind by using the ishihara test. This test consists of 38 circles of colored dots. Each of the circles of dots contains a hidden number made up of certain colors of dots. Depending on whether or not a person can read the number in the circles, his type of color blindness can be diagnosed. Parts of the ishihara test are posted on websites for people to use.
Answered 7/5/2012
6.3k views
Color charts: Most eye doctors own an ishihara color vision test booklet which can be used to determine if you are color deficient. There are other booklets as well, color caps, and other more sophisticated means to determine the degree and type of color deficiency you might have.
Answered 11/10/2016
5.9k views
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