Contemporary Science 10/26/10: A Visual Prosthesis for the Blind

Shawn Kelly, PhD, of the Boston VA Center for Innovative Visual Rehabilitation and MIT, is a member of the team that created the “electric eye”that made Time Magazine’s 50 Best Inventions list of 2009. In this presentation he explains how vision works, why it is so difficult to restore when it is lost, and how the critically acclaimed "electric eye" functions.