Kyung-Chul Yoon, MD, PHD, is an Associate Professor of Ophthalmology at the Chonnam National University Medical School, Gwang-Ju, Korea. He completed a residency at the Chonnam National University Hospital and a fellowship at the Keio University School of Medicine, Japan and the Cullen Eye Institute of the Balyor College of Medicine, TX, USA. Dr. Yoon specializes in cornea and cataract, and refractive surgery.