●目次
1 Introduction
2 Physical make-up of VRT apparatus
3 Learning effects in VRT
4 Chronological variations in VRT
5 Similarities between VRT, the near point distance, CFF and TAF
6 Conclusion
●著者紹介
Saito, K.
Professor of Hygiene and Preventive Medicine
Hokkaido University School of Medicine
Hosokawa, T.
Instructor of Hygiene and Preventive Medicine
Hokkaido University School of Medicine