color blindness

Some people can't  see every color because they are born with color blind.Color blind is a genetic that makes you see only some colors, for example if you were color blind and you see something red you might see it gray.Color blind mostly affects mostly males than females.There are some sunglasses that can make you see all the colors if your color blind .There is hope that in the future there will be a  cure for color blind.There are 2.7 million people in the world with color blind.

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