U roznych ras chartow takze wystwpuja wrodzone/dziedziczne choroby oczu.
Predyspozycje poszczegolnych ras z grupy X:
Afghan Hound - Corneal Dystrophy (3), Cataract
Borzoi - Retinal Degeneration (6) (czyli PRA)
Greyhound - Chronic Superficial Keratitis/Pannus
Irish Wolfhound - Corneal Dystrophy (3), Cataract, Optic Nerve Defects (7)
Italian Greyhound- Cataract, Vitreous Degeneration, Retinal Degeneratioon (6) (czyli PRA)
Whippet - Cataract, Vitreous Degeneration
(3) - Includes : Corneal Dystrophy -endothelial, endothelial erosion, stromal, & posteriol polymorphous
(6) - Includes : Retinal Atrophy-generalized & rod/cone dysplasia type 2 (rcd2), retinal degeneration, day blindness
(7) - Includes : Optic Nerve - coloboma & hypoplasia
Dane pochodza z ksiazki "Essential of Veterinary Ophthalmology" Kirk N.Gelatt, 2008.