WHAT IS COLOR BLINDNESS? Color Blindness TestColor blindness (or color vision deficiency), is a condition where a person’s eyes are unable to see colors under normal light. People with color blindness have a hard time telling colors apart from each other.

The retina contains approximately 6 million retinal cone cells. Each cell is ‘color specific,’ responding mainly to the light of specific frequencies. The three different types of cone cells correspond to the three primary colors: red, green and blue.People who have normal color vision are able to see the hidden shape in all or nearly all of the test conditions.

When people with normal color vision wear Enchroma glasses, they see a “color boost” effect: colors appear to “pop” with a super ordinary vibrance. This effect, called chromatic contrast enhancement, is how our glasses also help people with color blindness.

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