1. Department of Ophthalmology, Kanazawa Medical University, Kahoku, Ishikawa, Japan.
2. Division of Vision Research for Environmental Health, Project Research Center, Medical Research Institute, Kanazawa Medical University, Kahoku, Ishikawa, Japan.
3. Department of Ophthalmology and Visual Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Ishikawa, Japan.