1 Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; National Hospital Organization, Tokyo Medical Center, Tokyo, Japan.
2 Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. Electronic address: nmaeda@ophthal.med.osaka-u.ac.jp.
3 Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
4 Center for Frontier Medical Engineering, Chiba University, Chiba, Japan.
5 Tomey Corporation, Nagoya, Japan.
6 National Hospital Organization, Tokyo Medical Center, Tokyo, Japan.