My eyes will go blind. What should I do? I hope someone can help me.

Massage for the blind, this is more common.

I wonder what your friend is good at. Can he play an instrument or something?

If so, we can move in this direction. Being a music teacher is not bad either. After all, hearing will become more sensitive after vision drops. Look on the bright side. When God closes a door, he leaves a window. Don't lose heart. Think about what your strengths are. As long as you work hard, there is a way out.