Ji Eun Lee, Lee Eye Clinic, Busan, Korea (Republic of) School of Medicine, Pusan National University, Yangsan, Korea (Republic of) Ik Soo Byon, Department of Ophthalmology, Pusan National University Hospital, Busan, Korea (Republic of) School of Medicine, Pusan National University, Yangsan, Korea (Republic of) Sung Who Park, Department of Ophthalmology, Pusan National University Hospital, Busan, Korea (Republic of) School of Medicine, Pusan National University, Yangsan, Korea (Republic of)