title: Overview of the Visual System.
abstract: This introduction provides an overview of the retina, in which we survey the fundus, layers of the retina, retinal cell types, visual transduction cascade, vitamin A cycle, neuronal wiring of the retina, and blood supply of the retina.
authors: Ophthalmic Genetics and Visual Function Branch, National Eye Institute, National Institutes of Health, Bethesda, Maryland, USA.
authors: J Fielding
authors: JF
authors: Hejtmancik
authors: Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia, USA. Electronic address: litjn@emory.edu.
authors: John M
authors: JM
authors: Nickerson
mesh_terms: D000818:Animals; D006801:Humans; D055537:Light Signal Transduction; D008954:Models, Biological; D010786:Photoreceptor Cells / Q000378:metabolism; D012160:Retina / Q000502:physiology; D014795:Visual Pathways / Q000502:physiology*
keywords: Eye; Genetics; Introduction; Vision