Google: Simply google "test for color blindness" and you will get several to choose from. The color mixture is not as purely reliably as carefully selected pages in a color vision testing booklet, the but internet depictions are quite reliable.
Answered 1/16/2016
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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