Boston’s Top Docs: 14 Medical Breakthroughs

IF YOU THINK SIRI and location-based apps make your life easier, just imagine what the technology can do for the sight-impaired. Joseph Rizzo III, the director of neuro-ophthalmology at Mass Eye and Ear, and his team have developed a prototype for “smart” glasses that guide the blind around unfamiliar environments. Here’s how they’ll work.  — Courtney Hollands

Photograph by Bruce Peterson