It affects all mammals but primates, most birds and reptiles, and all insects except for bees and butterflies, but it is best known in humans, where its three varieties are called protanopia, deuteranopia, and tritanopia.
It affects all mammals but primates, most birds and reptiles, and all insects except for bees and butterflies, but it is best known in humans, where its three varieties are called protanopia, deuteranopia, and tritanopia. It tends to skip generations because it is sex-linked recessive, and it therefore affects 20 times more men than women. FTP name this vision problem caused by irregularities in the three types of cone cells in the retina.
It affects all mammals but primates, most birds and reptiles, and all insects except for bees and butterflies, but it is best known in humans, where its three varieties are called protanopia, deuteranopia, and tritanopia.
{color-blindness}