Testing for Color Vision Deficiency | National Eye Institute
https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/color-blindness/testing-color-vision-deficiency
WebAug 7, 2023 · Having color vision deficiency (also called color blindness) means you can’t see certain colors the way most people do — or you may not see color at all. Learn the basics about color vision deficiency. If color vision deficiency runs in your family, or if you think you or your child may have color vision deficiency, talk to your eye doctor.
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