Google mate. Don't take that long to find this information out. Not my condition btw, my condition is an optic nerve one. And I don't have the spoons to explain today.
$1.
Edit: Also, this is a very specific question you are asking, if you're asking for yourself or a loved one who was newly diagnosed with vision loss, then there are some resources available to help with adapting to a new way of life. I don't need specific location, if in the United States, then just tell me your state and I'll link you some resources.