| | Conditions & Treatments | Deafness What is red to a blind man? Red is not anything to a blind man, because they cannot see. Blindness is the loss of vision, either partially or completely. Deafness - Related Articles If you was color blind could serve in Vietnam? How to Prevent Nerve Deafness Who are the blind girls in miracle worker? Speech Therapy for Children With Cochlear Implants Who Invented the Hearing Aid? Can deaf and dumb be cured? What Are Some Devices Used by the Deaf?