red-green colorblindness

red-green colorblindness A form of colorblindness in which red and green are perceived as being identical. Red-green colorblindness is the most common type of colorblindness. It is inherited in an X-linked recessive manner and affects 6-8 percent of males in the US. Also known as deutan colorblindness, deuteranopia, and Daltonism. See also colorblindness.