Progressive retinal atrophy (PRA) in dogs
PRA is an inherited group of diseases where the retina slowly breaks down, leading to blindness.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Night blindness first
- Dilated pupils
- Bumping into things
- Eye shine more noticeable
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How vets diagnose it
An ophthalmologist examines the retina, sometimes with an electroretinogram. DNA tests exist for many breeds. [2]
How it's treated
There's no treatment. Most dogs adapt well to blindness with a consistent home layout. [2]
What it costs to diagnose and manage
| Item | Typical US price | Src |
|---|---|---|
| Diagnosis (exam and tests) | $200–$500 | [1] |
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
PRA isn't painful. Responsible breeding with DNA testing helps prevent it. [2]
Common questions
What is progressive retinal atrophy (PRA) in dogs?
PRA is an inherited group of diseases where the retina slowly breaks down, leading to blindness.
What are the signs of progressive retinal atrophy (PRA)?
Common signs include: night blindness first, dilated pupils, bumping into things, eye shine more noticeable.
How do vets diagnose progressive retinal atrophy (PRA)?
An ophthalmologist examines the retina, sometimes with an electroretinogram. DNA tests exist for many breeds.
How is progressive retinal atrophy (PRA) treated?
There's no treatment. Most dogs adapt well to blindness with a consistent home layout.
How much does progressive retinal atrophy (PRA) cost to treat?
Diagnosis (exam and tests): $200–$500. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.