Deutan Color Blindness
Deuteranomaly and deuteranopia - the most common forms of red-green color vision deficiency, affecting the green cone.
Deutans' color vision is shifted towards the red end of the spectrum resulting in a reduction in sensitivity to the green area of the spectrum. Unlike protanomaly the intensity of colors is unchanged. This is the most common form of color blindness, making up about 6% of the male population. The deuteranomalous person is considered "green weak". For example, in the evening, dark green cars appear to be black to deuteranomalous people.
Normal Color Vision
Deutan Color Vision
Notice how the reds, oranges and greens look similar and less vivid.
Normal Color Vision
Deutan Color Vision
Notice how the red, orange, yellow and green pencils look more alike.
Normal Color Vision
Deutan Color Vision
Notice how the red and green cans become hard to tell apart.
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