1 Division of Ophthalmology and Visual Science, Faculty of Medicine, Tottori University, Department of Ophthalmology, Nojima Hospital, Tottori, Japan.
2 Division of Ophthalmology and Visual Science, Faculty of Medicine, Tottori University, Department of Ophthalmology, Nojima Hospital, Tottori, Japan. miyazaki-ttr@umin.ac.jp.