Thanks Luckee Legs and Fireman.
I know Dick White's (have used them in the past and currently have a lurcher with an eye problem that's on long term treatment) and I know East of England Veterinary Specialists and have a very high regard for them. So very good advice and it confirms I'm not missing something obvious.
I don't know Paul Yarham but will look him up, good to know for future.
Ref Robert Meek - it takes the day for me to go to visit him and come back. He's the best dog osteopath or physio that I've met and definitely worth the visit when I want something looked at o