Optigen testing is more useful than the normal clinical eye test as it tells you whether your dog carries the gene for PRA, is affected by it or is totally clear. If you just want the normal clinical eye test (which only tells you whether a dog is clear at the time of testing and has to be repeated annually), there's a list of panellists on the BVA website which you can download
HERE. If you do want to start Optigen testing, all the info about sending blood samples is
HEREJane