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Why is there color blindness? Why can't someone tell the color? Can color blindness be inherited?

Some people, because of the eye color discrimination disorders, feel the color is hazy incomplete, even a piece of gray, in medicine, this phenomenon is called 'color blindness'. The colors are changeable, but they are all inseparable from the three basic colors of red, green and blue.

Why is there color blindness? Why can't someone tell the color? Can color blindness be inherited?

On the retina of the human eye, there is a kind of 'cone cell', which has a special sense ability to these three colors of light. Because other colors are made of these three colors in different proportions, the eye can distinguish a variety of colors.

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If the cone can not distinguish red, it is red blindness; if it can't distinguish green, it is green blindness; if it can't distinguish blue, it is blue blindness; if it can't distinguish red and green, it is red green color blindness; if it can't distinguish three colors, it is panchromatic blindness.

At ordinary times, red blindness and green blindness are more common, while blue blindness and total color blindness are relatively rare. The cause of color blindness is still unclear, and it is generally believed that it is congenital.

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