Fig. 3 Light micrograph of human peripheral retina including portion of the choroid (Richardson's methylene blue/azure II stain mixture, 40× objective, Courtesy of Scheie Eye Institute). Inner limiting membrane (arrow): (1) nerve fiber layer, (2) ganglion cell layer, (3) inner plexiform layer, (4) inner nuclear layer, (5) outer plexiform layer, (6) nuclei of photoreceptors (outer nuclear layer), (7) rod and cone inner segments, (8) rod and cone outer segments, (9) pigment epithelium.