http://blogs.discovermagazine.com/80beats/2008/09/23/gene-therapy-restores-sight-to-the-blind/
Gene therapy takes another stride forward in this study. Scientists were able to improve the vision of test subjects with a vision disorder called Leber congenital amaurosis. Gene therapy allows scientists to replace defective genes, thus allowing normal functions to resume. This growing field of science looks to stop potential blindness in children, as well as restore vision to adults.
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