title: A variant of red-green color defect.
mesh_terms: D000293:Adolescent; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008027:Light; D008297:Male; D012168:Retinal Pigments; D013053:Spectrophotometry; D013057:Spectrum Analysis
chemical_list: D012168:Retinal Pigments