Guide dogs for low vision and blindness can be beneficial. This may include moving around, avoiding obstacles, and mental health. Share on Pinterest German Adrasti/Getty Images Service dogs for people ...

For many people who are blind, a guide dog is far more than a pet. It is, as some describe it, freedom on four legs.

Floppy ears, big eyes, tender paws and earnest faces—puppies evoke an instant cuddle response in humans. But they can also change lives. That's the case for Katie McCoy, 33. Born with a genetic eye ...