Images: Visual relief for the nearly blind

Elizabeth Goldring, director of the Visual Experiences for the Blind Group at MIT's Center for Advanced Visual Studies, has collaborated for more than 15 years on a machine that allows people who normally see only light and shadows to see words and images. This color-seeing machine allows viewers to conduct virtual walk-throughs of architectural spaces.

Text by Candace Lombardi, staff writer, CNET News.com

Photo by MIT