Need help asap | Points

I dont remember a lot about the movie. All I remember is that there was a male teenage boy who found an alien/high tech drone/or something like that somewhere and he could somehow use it to become really...

I look for a film - or Tv movie (by the clothes, it must be from the late 70s, or 80s) in which a blind girl lives alone in her apartment and a man practically lives with her, but without her knowing it....