A consideration of the racial incidence of congenital dyschromats in males and females.
The female incidence of congenital dyschromats corresponds to the square of the males in the Northern European populations, but this relation is not always true in the non-white races. The above-mentioned facts in the non-white races which are theoretically strange are considered to be caused by an anti-glare factor of pigment epithelium in their eyes, on the assumption that the abnormal color sense of color defectives may be a special form of visual dysfunction glare pointed out by IINUMA.
D044466:Asian People; D044383:Black People; D003117:Color Vision Defects / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D010857:Pigment Epithelium of Eye; D044469:Racial Groups; D012737:Sex Factors; D014665:Vasodilator Agents; D044465:White People
D014665:Vasodilator Agents