1. From the Division for Vision Research, National Institute of Sensory Organs, National Tokyo Medical Center, Tokyo, Japan; the 2Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan;
2. From the Division for Vision Research, National Institute of Sensory Organs, National Tokyo Medical Center, Tokyo, Japan;
3. the Department of Ophthalmology, Ehime University Graduate School of Medicine, Ehime, Japan; and
4. the Department of Ophthalmology, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan.
5. the Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan;