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* 1 in 12 people have some sort of color deficiency. About 8% of men and 0.4% of women in the US.

* 0.38% of women are deuteranomalous (around 95% of all color deficient women).

* 0.005% of the population are totally colour blind.

* 0.003% of the population have tritanopia.

* Protanomaly occurs in about 1% of males.

* Deuteranomaly occurs in about 5% of males. It's the most common color deficiency.

* Protanopia occurs in about 1% of males.

* Deuteranopia occurs in about 1% of males.

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Velda Hauck

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