title: Color blindness in Africa.
mesh_terms: D000349:Africa; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008297:Male; D010786:Photoreceptor Cells / Q000002:abnormalities; D011159:Population Surveillance