Lisha will be keeping a good thought for Avari. Please keep us updated when you can. It's not much help and I can't remember the circumstances as it was well before Beni's eye problems but he went through something similar I would guess about 6 or 7 years ago. I don't think my vet ever did find a cause. I remember a round of anti-inflammatories and some quiet time and then all seemed well. Sorry... I wish I could remember all of the details... they may even be here somewhere in the archives.
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If there are no dogs in Heaven, then when I die I want to go where they went.