Affiliation: | 1. Department of Ophthalmology, International University of Health and Welfare Hospital, Nasu-Shiobara, Tochigi, Japan;2. Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland;3. Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, Japan;4. Department of Ophthalmology, International University of Health and Welfare School of Medicine, Nasu-Shiobara, Tochigi, Japan |