High frequency of digital eye strain and dry eye disease in teleworkers during the coronavirus disease (2019) pandemic
INTERNATIONAL JOURNAL OF OCCUPATIONAL SAFETY AND ERGONOMICS(2022)
Abstract
Objectives. This study aimed to evaluate visual display terminal (VDT)-related digital eye strain (ES) and dry eye disease (DED) symptoms in subjects whose work was changed to teleworking (TW) during the coronavirus pandemic. Methods. A digital self-reported survey was conducted on subjects in TW, including demographics, medical history, VDT time and ES-related symptoms before and during the pandemic and DED (dry eye questionnaire 5 [DEQ-5] questionnaire). Results. A total of 1797 questionnaires were analyzed. Mean age was 40.5 (SD 11.1) years, and 69.9% were female. The mean number of TW weeks was 10.2 (SD 3.0). The total VDT total hours increased from 7.4 (SD 3.3) to 9.5 (SD 3.3) (p < 0.001). All ES symptoms presented a significant increase (p < 0.001). The mean DEQ-5 score was 8.3 (SD 4.9). The oldest group presented lower values, and women had a higher score (p < 0.001). Additionally, 28.6% of the subjects were classified with severe DED, and the variables associated with a logistic regression model were total VDT hours, female gender, refractive surgery, rosacea, depression, previous DED, keratoconus and blepharitis. Conclusions. The number of VDT hours seemed to be a relevant factor for increase in ES symptoms and a high prevalence of DED during the pandemic period.
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Key words
dry eye disease,digital eye strain,COVID-19,teleworking,visual display terminal
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