The Twilight Zone - Season 3 Episode 12 20/20 Vision

Newly promoted bank loan officer Warren Cribbens cracks his eyeglasses and discovers he can see the future through them. Faced with seeing the future of the farmers whose farms he must foreclose on, Warren can't bring himself to foreclose. Right away he's torn into doing his job or standing up for the people he helps. He manages to get his way by using his knowledge of the future to blackmail his conniving boss and convincing him to let things go.