Mechanisms subserving bright and dark adaptation.
D000221:Adaptation, Ocular; D006801:Humans; D008027:Light; D008433:Mathematics; D008959:Models, Neurological; D010786:Photoreceptor Cells / Q000502:physiology*; D012168:Retinal Pigments / Q000378:metabolism*; D011984:Sensory Receptor Cells / Q000502:physiology
D012168:Retinal Pigments