Examining Gene Therapy As Treatment For Blindness

Reporting in The Lancet, doctors found success in treating Leber's congenital amaurosis, a rare type of blindness, with gene therapy. Study author Katherine High explains how injecting a gene-carrying virus into the eye has improved vision in a handful of patients.
Original article from http://www.npr.org/templates/story/story.php?storyId=114319697&ft=2&f=510221