If she has an estimated 10 years of her life expectancy to share with you still, it might do wonders to have her cataracts operated on and removed if it's not too late. If not, as long as you don't move things around too much, it wouldn't be so bad either.
Lots of love, a healthy diet, and keep her regularly exercised... all that will do wonders in keeping both of you happy for the years you have left to spend together.
