1. Department of Orthoptics and Visual Science, School of Allied Health Sciences, Kitasato University, Kanagawa, Japan
2. Department of Ophthalmology, Kitasato University Hospital, Kanagawa, Japan
3. Department of Orthoptics and Visual Sciences, International University of Health and Welfare School of Health Sciences, Tochigi, Japan
4. Department of Ophthalmology, School of Medicine, Kitasato University, Kanagawa, Japan