Progressive retinal degeneration

Source dog, 5 year spayed female golden retriever, OD (UC Davis Clinic 183575, Pathol 79N1734, Ophthal 79071)
Fixative glutaraldehyde, osmium
Stain azure II-methylene blue
Notes dorsolateral to edge of optic disk; shows almost total photoreceptor loss, but essentially normal middle and inner retinal layers
See also ventral to optic disk
Legend integral to image
Illustration click on image to see larger picture