Have him meet with a Rehabilitation Counselor. It is literally part of their job to suss out this type of information to get him up and working if he desires it.

Hi. You might find the certificate programs by World Services for the Blind helpful.

Does he have any past work experience?

Are there any subjects that he's interested in?

How is he at being bilingual? If he knows a couple of languages fluently, interpreting from home is quite possible.