If I were going to adopt a horse, it would be from Frog Pond (the rescue that took him).
Also, I've seen them mention that he has some hazing to his eyes but no one has said he has any indication of being actually blind. Could just be an infection that needs meds to clear. I love him. I think he looks like the horse from Tangled, Maximus.
All told, in the day of crappy rescues who are really just hoarders looking to make a buck...Frog Pond is the real deal. They are super nice and easy to work with.