The photoregeneration of charge carriers in visual pigments.
D000818:Animals; D002784:Cholesterol / Q000502:physiology; D004553:Electric Conductivity; D004594:Electrophysiology; D006454:Hemoglobins / Q000502:physiology; D008543:Melanins / Q000502:physiology; D012168:Retinal Pigments / Q000502:physiology*; D014801:Vitamin A / Q000502:physiology
D006454:Hemoglobins; D008543:Melanins; D012168:Retinal Pigments; D014801:Vitamin A; D002784:Cholesterol