n his first-floor lab at the University of Pittsburgh Medical Center (UPMC) in Pennsylvania, Vijay Gorantla is hunched over a blind pig. Under the glare of an operating room light, he's venturing into a shadowy landscape. Gorantla's terrain is an elegant, tightly controlled 7.5-gram bundle of cells: the eye. Pigs and humans share similar ocular anatomy, and Gorantla, a plastic and reconstructive surgeon, has sliced this animal's optic nerve in two. Now the question is, can he help it see again?
展开▼
