This cat's family also had a particular degenerative eye disorder the researchers wanted to study. (sciencedaily.com)
It refers to several degenerative eye disorders that are the origin of blindness in both eyes. (dogdojo.org)
Progressive retinal atrophy (PRA), also known as progressive rod and cone degeneration (PRCD), refers to a group of degenerative eye disorders that cause blindness in both eyes. (petwave.com)