Jong Ha Kim1, Min Ahn2, Nam Chun Cho2, In Cheon You2. 1. Department of Ophthalmology, Chonbuk National University Medical School, Jeonju, Korea. 2. Department of Ophthalmology, Chonbuk National University Medical School, Jeonju, Korea.; Research Institute of Clinical Medicine of Chonbuk National University, Jeonju, Korea.; Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea.