How Color Blindness Is Tested - American Academy of Ophthalmology
https://www.aao.org/eye-health/diseases/how-color-blindness-is-tested
WEBAug 25, 2017 · A simple color blind test. It’s easy to test whether you’re color blind. You don’t even need to go to a doctor. A set of images called the Ishihara color plates is one of the most common and reliable color blind tests. Simply look at the images, which have numbers embedded in dots of color.
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