About the Authors

Yuka Kasai

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan

Masako Sakamoto

Roles Data curation, Formal analysis, Investigation

Affiliation Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan

Yuji Matsuda

Roles Data curation, Investigation

Affiliation Division of Rehabilitation, University of Yamanashi Hospital, Chuo, Japan

Yuka Ito

Roles Data curation, Investigation

Affiliation Department of Nursing, University of Yamanashi Hospital, Chuo, Japan

Hirotaka Haro

Roles Methodology, Supervision, Writing – review & editing

Affiliation Division of Rehabilitation, University of Yamanashi Hospital, Chuo, Japan

Kenji Kashiwagi

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft

kenjik@yamanashi.ac.jp

Affiliation Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan

Competing Interests

Kenji Kashiwagi holds a domestic patent in Japan related to the subject of this study. All other authors declare no conflicts of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.