The Prevalence of Symptomatic Dry Eye Disease Among Coal Workers in Huainan Region of China.

Purpose: To investigate the prevalence and influencing factors of symptomatic dry eye disease (DED) in Chinese coal workers. Methods: The prevalence of symptomatic DED in coal workers was investigated by using the questionnaire of Ocular Surface Disease Index (OSDI) and the influencing factors were explored. Results: The prevalence of symptomatic DED was 50.7% in coal workers. Of the influencing factors of symptomatic DED, the level of dust exposure had an odds ratio (OR) of 1.26, the time of dust exposure had an OR of 1.02, and the age had an OR of 1.03. Conclusion: There was a high morbidity of symptomatic DED among coal workers and the level and the time of dust exposure and the age of coal workers had important effects. [ABSTRACT FROM AUTHOR]