The discussion of clinical analysis and prevention methods of VDT visual fatigue
- VernacularTitle:老年人较长时间操作电脑终端视疲劳的分析及防治
- Author:
Qun XIA
;
Guang LU
;
Xiaoxiong WANG
;
Hang GUAN
;
Defa CHU
- Publication Type:Journal Article
- Keywords:
Fatigue,visual
- From:Chinese Journal of Geriatrics
2003;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the manifestation and the prevention means of video display terminal (VDT) visual fatigue in old people. Methods Conventional eye inspection were performed for 45 patients, including optical muscle movement, position of eye, confluence function and presbyopia. Results We found that the average difference between middle distance correcting lens and 33 cm reading distance from presbyopia correcting lens was about 0.52 DS( P
