title: Spectral sensitivity of color-blind observers and the cone photopigments.
mesh_terms: D000042:Absorption; D003117:Color Vision Defects / Q000503:physiopathology*; D006801:Humans; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000503:physiopathology; D012168:Retinal Pigments; D013053:Spectrophotometry; D013057:Spectrum Analysis
chemical_list: D012168:Retinal Pigments