documentary

man using BrainPort, a device that allows people with vision impairments to "see" using their tongue

Vision-to-Touch Innovation, Pitt Researchers Featured in Documentary Airing on PBS

"Sight: The Story of Vision" shows a Pitt-researched device called BrainPort — a set of glasses and a lollipop-like combo that allows people with vision impairments the ability to "see" through touch.