1. Kanto Central Hospital of The Mutual Aid Association of Public School Teachers Tokyo, Japan 2Department of Ophthalmology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
2. Department of Ophthalmology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
3. Tajimi Iwase Eye Clinic, Tajimi, Gifu, Japan
4. Department of Ophthalmology, Saitama Medical School, Moro, Japan
5. Department of Ophthalmology and Visual Science, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
6. Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan