title: The Charles Prentice award lecture 1988: the directionality of color matches and its relation to secondary protanomalous trichromacy.
authors.affiliation: University of Michigan, W.K. Kellogg Eye Center, Ann Arbor.
authors.forename: M
authors.initials: M
authors.lastname: Alpern
mesh_terms: D000417:Albinism / Q000503:physiopathology; D003118:Color Perception / Q000502:physiology*; D006801:Humans; D009988:Orthoptics; D010786:Photoreceptor Cells / Q000502:physiology; D012168:Retinal Pigments
chemical_list: D012168:Retinal Pigments