Progressive Retinaatrophie, Early Onset (EO-PRA) - Portugiesischer Wasserhund Rassebestimmung It is generally considered to

It is generally considered to be congenital in dogs and has been associated with developing glaucoma in later years

It is synthesized in the liver and secreted into the circulation

Because production of eumelanin is disabled

In severe cases

Progressive Retinaatrophie, Early Onset (EO-PRA) - Portugiesischer Wasserhund Rassebestimmung It is generally considered toProgressive retinal atrophy (PRA) is an inherited retinal disorder due to degeneration of the rod and cone type of photoreceptor cells in retina. PRA has been identified in a variety of dog breeds with different inheritance patterns. Some breeds are found to have more than one form of PRA. Early onset progressive retinal atrophy (EO PRA) is a new form of PRA with an earlier age of onset (2 3 years). Initial clinical signs include visual deficits