From Science Daily,
ScienceDaily (Aug. 10, 2008) — Cone-rod
dystrophies (CRDs) are a group of eye diseases caused by progressive loss of the photoreceptor cells in the retina. Researchers have identified a novel mutation in a gene associated with CRD in dogs, raising hopes that potential therapies can be developed for people suffering from these eye disorders.
Scientists test specially designed sunglasses to aid the vision of a dachshund suffering from dayblindness caused by inherited cone-rod dystrophy. (Credit: Photo courtesy of Frode Lingaas, Norwegian School of Veterinary Science)