Progressive Retinaatrophie, Early Onset (EO-PRA) - Portugiesischer Wasserhund Rassebestimmung Rod vision can be normal

Rod vision can be normal early in life and degeneration slowly spreads

Gentest: Die für den Test verwendete Methode ist äußerst genau und ermöglicht eine vollständige Unterscheidung zwischen betroffenen Tieren

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

In severe cases

The dog that has both Ayalleles (homozygote Ay/Ay) or one in a combination Ay/aw or Ay/at or Ay/a will be always fawn or sable

Progressive Retinaatrophie, Early Onset (EO-PRA) - Portugiesischer Wasserhund Rassebestimmung Rod vision can be normalProgressive 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