Show electric eye aid blind electric eyes now are being used to see for blind persons in guiding them about their homes by giving them a sense of direction as they move about the electric eye or cell ts made up like a flashlight with a small buzzer on necked to its battery according to popular mechanics magazine con electric lights are then placed about passages and hallways par at turns the blind person turns the elec trie eye about much as a person having his sight direct a lash light when the device points to a light source contact Is made and the buzzer sounds As long as the buzzer Is sounding the blind user knows he Is on the right path |