An early potential evoked by light from the pigment epithelium-choroid complex of the eye of the toad.
D000221:Adaptation, Ocular / Q000502:physiology*; D000818:Animals; D001001:Anura; D002829:Choroid / Q000502:physiology*; D003624:Darkness; D004594:Electrophysiology; D066298:In Vitro Techniques; D008027:Light; D051381:Rats; D012160:Retina / Q000502:physiology*; D014801:Vitamin A
D014801:Vitamin A