I was reminded of a film from 1967 where Audrey Hepburn played the role of a blind woman. Somehow she unknowingly had a doll stuffed with drugs and the the showdown was at the end of the film where the gangsters broke into her appartment (she was alone at home) for the drugs. She could cope with darkness through her other senses but the crooks could not. I remember the closing scene where where she plunged her home completely in darkness, breaking all the lights to keep ahead. I found this trailer showing part of the film.
It was many years ago, but the scene quite impressed me at the time.RDP Saturday: Darkness