Here is a "mixed bag" of links to useful information, all of which are helpful, interesting, or offer valuable insights
FURTHER INFORMATION ON CARING FOR BLIND DOGS
Long (1 hour) wide ranging podcast by Cathy Symons CVT, CCRP. Covers loss of sight, dog senses, training etc. We disagree on the use of halos (other than post-op) but Cathy shares my approach to enabling dogs. Well worth listening if you have the time.