Ten blind WWII veterans at the hospital appeared as extras and were advisers for this film.
Arthur Kennedy wore contact lenses dyed black for this role.
Judy's car is a 1940 Chevrolet Special Deluxe convertible coupe. Base price was $898 (about $20,300 in 2024). In excellent condition, an example of this car could be worth about $45,000 in 2024.
Interesting note, when Jim Backus first appears in the movie, he is wearing a nautical cap that looks much like the same cap worn by Alan Hale years later in "Gilligan's Island", in which Backus also appears.