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What The World Looks Like if You Suffer from Color Blindness

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Blog

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EyeQue

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April 20, 2018

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You may know that our eyes contain rods and cones, which allow us to see the world in color. While rods contain just one colorless photopigment which helps us see in areas with limited light, our cones contain three photopigments which create the sensation of blue, green, and red.

However, some people suffer from “color blindness,” which causes them to experience color differently than the majority of the population. While most people have heard of color blindness, you may not know there are actually several types of color vision deficiency. Each kind of color blindness affects people in different ways.

Protanomaly

Sufferers of protanomaly have a deficiency with their red photopigment, which causes any shades of red, yellow, and orange to appear duller and a little greenish.

Protanopia

Similarly, people with protanopia have no use of their red photopigment, so red simply appears black to them. They may also experience shades of yellow, orange, and green all as the color yellow.

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Deuteranopia

This condition is like protanopia, except those affected have no sensation of green instead of red. The color green looks beige, and red looks brownish-yellow.

Tritanomaly

Can you guess which photopigment is deficient for tritanomaly sufferers? That’s right—blue! This condition causes people to see blue as more green, and causes yellow, red, and pink to all look alike with a pink color.

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Tritanopia

Those with tritanopia don’t have the blue photopigment at all, so the color blue looks green and yellow looks either purple or grey.

Monochromacy

While the previous six types of color blindness are pretty mild and don’t affect daily life, people suffering from monochromacy have only one or no photopigments in their cones. This lack of color differentiation can create extreme problems with clearness in their vision, their ability to switch focus between objects that are close and far away, and even control of their eye movements.

Want to test your color vision? EyeQue has the perfect tool for you. Created based on the gold-standard of color vision testing, the Ishihara test, this simple and comprehensive test screens your color vision in minutes. Click here to check it out!

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