Videlo display treminal symptom and visual problem
- VernacularTitle:电脑终端病与视功能障碍
- Author:
Xiaomei QU
;
Renyuan CHU
- Publication Type:Journal Article
- Keywords:
video display terminal symptom;
visual function;
diopter
- From:
Recent Advances in Ophthalmology
2000;20(5):331-332
- CountryChina
- Language:Chinese
-
Abstract:
Objective To provide the possible methods to relieve the symptoms of video display terminal users by diagnosing the visual problems.Methods Several tests including primary eye care, tear break time (BUT), refractive analysis, facility of accommodation, phoria and FCC were done on 121 patients respectively.Results In the 121 patients, 47 patients(39%) were accommodative failure, 66 patients(55%) were lag of accommodation checking with FCC, 53 patients (43.8%) were uncorrected presbyopia, 65 patients (53.7%) were break up time of tear film<10s, 87 patients (71.8%) couldn't been corrected the refraction errors or the correction of refractive errors was unsatisfied, 24 patients(19.8%) were esophoria, 17 patients (14%) were exophoria, 8 patients (7%) were anisometropia. Conclusion Proper accommodation training, amplitude correction of ametropia and presbyopia and relieving the symptoms of dry eye can to some extent solve the problems of VDT users.