Carol it is so amazing what our four-footers can teach us humans about self-pity, isn't it? And their ability to adapt to adversity surpasses anything us humans can even imagine. Maggie will do just as fine as she has for a long time now, and, when your brain gets around the facts the vet told you, so will you! After all, life for Maggie hasn't changed one iota from yesterday, and, apparently, from a lot of yesterdays! Seeing eye services and dogs and humans have been a combination for years and years now, and it is such a wonderful relationship!
Hugs to you and Maggie from me and Molly and Dinah