My 12 yr old Bichon lost an eye.
We had his cataracts removed last week. One eye became so infected that it had to be removed. He is diabetic which probably contributed to not being able to fight the infection. However, he can see well from his remaining eye and seems to be more active and happy.
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Give him a hug for me! And extra treats and tummy pats! 
It's my third Akita - the one I have now - that has two perfectly normal eyes that never seems to see the bunnies unless they move. My second one was the same way although his attitude toward bunnies was pretty much "seen one/seen them all/whoopdie doo" except for that one bunny that would sit on the corner and wait for us every night.
It was my first Akita (the one that went blind in one eye) that actually saw critters that I never saw. I only would know something was there because he'd stop and stare intently at something, and I'd be looking and looking and couldn't see what he was seeing unless whatever it was moved. A lot of times he'd just go on his way, and I never saw what it was he was looking at though it must have gone away. That used to make me a bit nervous because where we lived then there were a lot of skunks in the area, so I was always afraid he was looking at a skunk that I couldn't see. I wonder still if he was just more in tune to critters in the area through smell or sound since losing his vision in one eye. But maybe it's just because he was always more intent about critters than my other two Akitas.
But really, your dog losing one eye won't phase him one bit. You won't even notice that he only has one with how he acts. It had to have been at least a year or more until I even found out that my dog had gone blind in one eye because other than that blue glow there was just no way to tell at ALL that he couldn't see just fine out of both. I really thought that the vet was pulling my leg when he mentioned that he was blind in that eye. He thought I must have known about it because it happened to be the other vet in his clinic that had dealt with the infection when it happened, but I just hadn't gone back to the vet once the infection was cleared up and had no clue that it made him lose his total vision in that eye.
The vet showed me with that little pen light comparing what the eyeball that worked did from the light and that the blind eye didn't react at all to it, and you'd see that blue glow that almost covered the whole surface of the eye. Yet I was still like "but, but, but"... I just couldn't believe it. That's when he told me that losing their vision in one eye is nothing and that he had elderly doggie patients that were blind in one eye with little vision in the other one that you'd never have a clue that they couldn't see perfectly fine from how they acted and that dogs don't rely so much on their vision anyway and are far more hearing and especially scent oriented.
Seriously, you'll be just floored that your doggie missing an eye won't phase him one single bit and will probably still be much more aware of things than you. It's really quite amazing. It still amazes me. Humans are so visually oriented that I think we just find it so hard to believe that other critters that aren't so visually oriented can do just fine without an eye or even with partial vision in one and blind in the other.
