Photoreceptor shedding can be initiated within the eye.
D000818:Animals; D001001:Anura; D008027:Light; D008566:Membranes / Q000502:physiology; D009799:Ocular Physiological Phenomena; D010587:Phagocytosis; D010786:Photoreceptor Cells / Q000502:physiology* / Q000648:ultrastructure; D010857:Pigment Epithelium of Eye / Q000502:physiology* / Q000648:ultrastructure; D011894:Rana pipiens