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User quotes:
As an optometrist and a deutan, I always found it rather difficult to explain and describe to patients what a color deficiency was like. Your explanations and demonstrations are outstanding- definitely a link I will add to my brown (or is it green?) web page! Z(I thought my dry cleaner was doing a lousy job of getting rid of spots, but I could never prove it!!)
-D.H.B., OD
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Vischeck simulates colorblind vision.

Daltonize corrects images for colorblind viewers.

Vischecked images on a cube

How do babies see the world? Visit TinyEyes.

Passive monitoring of cognitive health: Mindstrong Health.

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