1 Department of Ophthalmology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
2 Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
3 Department of Ophthalmology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan. hungjh@mail.ncku.edu.tw.
4 Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan. hungjh@mail.ncku.edu.tw.