http://www.einstein.yu.edu - Stem cell and dry eye researcher and surgeon, Roy Chuck, M.D., Ph.D., explains the difference between corneal transplants and corneal stem cell surgery, as well as current eye research being conducted at Einstein and Montefiore Medical Center. Dr. Chuck is professor and chair of ophthalmology and visual sciences at Einstein and Montefiore. This edition of Einstein On, a research & medicine podcast, is hosted by Gordon Earle.