This six year old Newfoundland is presented to you with gradually failing eyesight, worse at night. Here is its retina. What might be a possible diagnosis?
Well although it doesn’t show brilliantly here there is increased tapetal reflectivity, narrowing of the retinal vessels and a rather pallid optic disc. This, together with the developing night-blindness, signals progressive retinal atrophy to me. There’s only one problem – as far as I know Newfies don’t get this. If you know different do e-mail me!