*Department of Ophthalmology, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan;

†Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan; and

‡College of Medicine, National Taiwan University, Taipei, Taiwan.

Reprint requests: Chung-May Yang, MD, Department of Ophthalmology, National Taiwan University Hospital, No. 7, Zhongshan S. Rd., Zhongzheng Dist., Taipei City 10002, Taiwan; e-mail: [email protected]

None of the authors has any financial/conflicting interests to disclose.