See what the Division of the Blind and Physically Handicapped, via the local public library, has. Free, even free postage, or rather, your taxes have paid the Library of Congress for it.

Give him a traveling size guitar. It'll help (albeit slowly and with frustration on his part) the neural pathways re-establish.

For the fastest recovery, tell him that I'm coming to be his rehab counselor. Or always tune the TV to Fox and he'll be out of bed in a flash to change the channel if you hide the remote.