1. Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Japan
2. Department of Technological Development, Tomey Corporation, Nagoya, Japan
3. Department of Retinal Disease Control, Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Japan
4. Department of Advanced Ophthalmic Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan