Ophthalmological

Progressive Retinal Atrophy

An inherited, painless degeneration of the retina that slowly takes sight, usually night vision first, over months to years. More common in dogs, with breed predispositions and DNA tests. There is no treatment, but because it is gradual most pets adapt beautifully, and a known diagnosis is time to prepare.

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Other Inherited and Gradual Eye Conditions

"Inherited eye condition" is a phrase that lands in two ways. Sometimes a vet, a breeder or a forum post has attached a scary-sounding name to your breed, "collie eye", "lens luxation", "the Staffie cataract", and you've come to find out what it actually means. Sometimes you're doing the careful thing of researching a breed...

Claire Greenway11 min read

Preparing for Blindness When You Know It's Coming

A diagnosis like progressive retinal atrophy, or a slowly thickening cataract, lands hard. Someone has told you, in so many words, that your dog or cat is going to lose their sight over the coming year or two, and there's no operation or eye drop that will stop it. A few days on from that...

Dr. Alastair Greenway10 min read

PRA and Your Breed: DNA Testing and What It Means

The most common question I get about PRA rarely comes from someone whose dog is already losing its sight. It comes from someone holding a puppy's paperwork, or thinking about a litter, reading the phrase "PRA clear" or "carrier" and quietly panicking. "My breeder says the puppy is clear, does that mean it can't go...

Claire Greenway10 min read

Progressive Retinal Atrophy (PRA): Slow, Painless, Inherited

A PRA diagnosis arrives differently from most. There's no accident to point to, no emergency dash to the vet, no painful eye to treat. Just a quiet sentence in the consulting room that says, in effect, your dog is going to lose its sight, slowly, and there's nothing we can do to stop it. I've...

Dr. Alastair Greenway11 min read

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