Figure 82-1 A and B, Section of the human retina demonstrating its organization into layers. The outer retina contains the photoreceptors, whereas the inner retina contains neurons responsible for the transmission of visual information to the brain. (From Federman JL, Gouras P, Schubert H, et al [eds]: Retina and Vitreous, Textbook of Ophthalmology. St Louis, CV Mosby, 1994.)