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9 Things You Never Knew About Being Color Blind

These facts about a very common eye problem may surprise you.

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More men than women are color blind

It’s much more common for men to be color blind than women because the genes responsible are on the X chromosome. In the United States it affects one in every 12 males and less than one in every 200 females. These are secrets your eye doctor won’t tell you.

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Color blindness can start at different times in your life

Color blindness can start at birth, develop during childhood, or not appear until adulthood. It is not only passed on through genetics but can also be caused by aging, retina damage, or eye diseases.

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There are three types of color blindness

There are different types of color blindness; red-green color blindness, blue-yellow color blindness, and complete color blindness. On the other hand, this is what it’s like to have “super vision” and see almost 100 million colors.

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Simple tasks can be tricky if you’re color blind

Everyday tasks such as checking to see if meat is cooked to the desired color, picking ripe produce, and reading traffic lights can be difficult.

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It’s “color deficient” not “color blind”

Ninety-nine percent of people who are “color blind” can see some color and are actually “color deficient.”

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Fathers can’t pass on color blindness to their sons

Only women can carry the gene. If a woman is red-green color blind, all her sons will be too.

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Color blind people can depict 80 fewer hues than those who aren’t color blind

The average person can depict 100 hues, or gradients of color. If someone is strongly color blind the can only depict about 20.

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People who are color blind are not allowed to serve

Unlike today, during WWII soldiers who were color blind were desired. Since they couldn’t see green they were able to see through camouflage used by the enemies.

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In some countries, you can’t get a drivers license if you’re color blind

You are required to have normal color vision in some countries in order to maintain a drivers license.

Originally Published in Reader's Digest

Morgan Cutolo
Morgan is the Assistant Digital Managing Editor at Reader’s Digest. She graduated from the University of New Hampshire in 2016 with a B.A. in Journalism. When she’s not writing for RD.com or keeping the 650+ pieces of content our team produces every month organized, she likes watching HGTV, going on Target runs, and searching through Instagram to find new corgi accounts to follow.