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Health

Progressive Retinal Atrophy: The Inherited Blindness Affecting 100+ Dog Breeds

Daniel 09 May 2026 3 min read 18 views 0 comments Premium

Progressive retinal atrophy (PRA) is not a single disease but a group of inherited retinal degenerations sharing a common endpoint — progressive deterioration of the photoreceptor cells of the retina, leading to gradual vision loss and ultimately blindness. PRA has been identified in over 100 dog breeds and multiple causative mutations have been ch...

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