Category Archives: Retinal Degeneration (gPRA)

Day Blindness in Wirehaired Dachshunds

Researchers in Norway have identified a form of Cone-Rod Dystrophy in Standard Wirehaired Dachshunds.  Cone-rod dystrophies are caused by progressive cell loss in the retina.  The “crd” mutation found in the population of Norwegian Wires is different from the cord1 mutation found in UK MSHD and MLHD.  Ernst-Otto Ropstad discovered that pupil size is abnormal …

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cord1 Retinal Degeneration (PRA)

What is Retinal Degeneration? The retina is the light-sensitive inner layer of the eye. Progressive Retinal Atrophy (PRA) is a general term for degeneration of the retina found in some breeds of dog (and in humans). Several breed-specific forms of retinal degeneration are caused by mutations in different genes. The age at which deterioration in …

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