The photochemical approach to visual problems.
D000818:Animals; D001001:Anura; D003623:Dark Adaptation; D005399:Fishes; D006801:Humans; D007700:Kinetics; D008027:Light; D010786:Photoreceptor Cells / Q000502:physiology* / Q000503:physiopathology; D011323:Primates; D012160:Retina / Q000502:physiology*; D012168:Retinal Pigments; D014786:Vision Disorders / Q000503:physiopathology; D014785:Vision, Ocular
D012168:Retinal Pigments