Epidemiological characteristics of dry eye of video terminal work population

Abstract

Objective To explore the prevalence of dry eye in terminal video's occupational population as well as the related risk factors.Methods Investigation study.Terminal video's occupational population over 20 years old from a certain communicationn were randomly selected.All participants completed the dry eye questionnaire,the ocular surface disease index (OSDI),break-up time (BUT),fluorescein corneal staining and Schirmer Ⅰ test (SIT).The diagnosis of dry eye was referred to the well-accepted domestic diagnostic standard.The t text,chi-square test,one-way ANOVA and logistic regression were used for analysis.Results Five hundred and sixteen people participated in this study and the response rate was 94.2％.The prevalence of dry eye was 47.7％ and there were no significant statistical difference between male (51.1％) and female (44.0％) as well as different ages.The people's scores of OSDI with dry eye is higher than those without dry eye.The other related factors include wearing contact lens,blinking frequencies,the position and the distance of screen,the relax time and the working environment.Conclusion The major risk factors of dry eye in occupational population are wearing contact lens,blinking frequencies,the position and the distance of screen,the relax time and the working environment. Key words: Xerophthalmia; Video; Occupational exposure ; Epidemiology