Ana Tauste1,2, Elena Ronda2,3,4,5, María-José Molina6, Mar Seguí2,7. 1. Doctorate Program on Health Science, University of Alicante, Alicante, Spain. 2. Public Health Research Group, University of Alicante, Alicante, Spain. 3. Preventive Medicine and Public Health Area, Faculty of Health Sciences, University of Alicante, Alicante, Spain. 4. CISAL (Centre for Research in Occupational Health), Barcelona, Spain. 5. CIBERESP (Biomedical Research Networking Centre, Epidemiology and Public Health), Madrid, Spain. 6. Valencian Institute of Occupational Safety and Health (INVASSAT), Alicante, Spain. 7. Department of Optics, Pharmacology and Anatomy, University of Alicante, Alicante, Spain.
Abstract
PURPOSE: To analyse the relationship between Computer Vision Syndrome (CVS) in computer workers and contact lens use, according to lens materials. METHODS: Cross-sectional study. The study included 426 civil-service office workers, of whom 22% were contact lens wearers. Workers completed the Computer Vision Syndrome Questionnaire (CVS-Q) and provided information on their contact lenses and exposure to video display terminals (VDT) at work. CVS was defined as a CVS-Q score of 6 or more. The covariates were age and sex. Logistic regression was used to calculate the association (crude and adjusted for age and sex) between CVS and individual and work-related factors, and between CVS and contact lens type. RESULTS: Contact lens wearers are more likely to suffer CVS than non-lens wearers, with a prevalence of 65% vs 50%. Workers who wear contact lenses and are exposed to the computer for more than 6 h day(-1) are more likely to suffer CVS than non-lens wearers working at the computer for the same amount of time (aOR = 4.85; 95% CI, 1.25-18.80; p = 0.02). CONCLUSIONS: Regular contact lens use increases CVS after 6 h of computer work.
PURPOSE: To analyse the relationship between Computer Vision Syndrome (CVS) in computer workers and contact lens use, according to lens materials. METHODS: Cross-sectional study. The study included 426 civil-service office workers, of whom 22% were contact lens wearers. Workers completed the Computer Vision Syndrome Questionnaire (CVS-Q) and provided information on their contact lenses and exposure to video display terminals (VDT) at work. CVS was defined as a CVS-Q score of 6 or more. The covariates were age and sex. Logistic regression was used to calculate the association (crude and adjusted for age and sex) between CVS and individual and work-related factors, and between CVS and contact lens type. RESULTS: Contact lens wearers are more likely to suffer CVS than non-lens wearers, with a prevalence of 65% vs 50%. Workers who wear contact lenses and are exposed to the computer for more than 6 h day(-1) are more likely to suffer CVS than non-lens wearers working at the computer for the same amount of time (aOR = 4.85; 95% CI, 1.25-18.80; p = 0.02). CONCLUSIONS: Regular contact lens use increases CVS after 6 h of computer work.
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