Gregg J. Berdy, MD, FACS is a board-certified and fellowship trained ophthalmologist. He began private practice in St. Louis in 1990 and has participated in numerous clinical trials throughout his career, including serving as a principal investigator for at least fifty F.D.A. trials. Dr. Berdy has been the principal or co-author of twenty five publications in the ophthalmic literature and has authored four chapters in ophthalmic textbooks. Dr. Berdy is an ophthalmologist who strives to achieve excellence in patient care, clinical research and teaching.