Wednesday, October 6, 2010
Gene Therapy Cures Color Blindness
Nature reports that researchers used gene therapy to cure a form of color-blindness in adult squirrel monkeys.
Lacking a visual pigment called L-opsin, these monkeys cannot distinguish reds and green. Scientists introduced the pigment gene into the eyes of color-blind adults. 1 month later, the monkeys with the new L-opsin gene could see hues they’d never seen before.
Research is not mature enough to be tested on humans, but it is promising