Volume 3, Issue 1 (Continuously Updated 2020)                   Func Disabil J 2020, 3(1): 151-160 | Back to browse issues page


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Qolami M, Cantó-Sancho N, Seguí-Crespo M, Ronda-Pérez E, Mirzajani A, Taghizade G. Prevalence of Computer Vision Syndrome Among Iranian Medical University Employees and Graduate Students in their Occupational Environment. Func Disabil J. 2020; 3 (1) :151-160
URL: http://fdj.iums.ac.ir/article-1-138-en.html
1- Iran University of Medical Sciences, Shahid Hemmat Highway, Tehran, 1449614535, IRAN
Department of Optometry, School of Rehabilitation, Iran University of Medical Sciences, Tehran, Iran., Iran University of Medical Sciences, Shahid Hemmat Highway, Tehran, 1449614535, IRAN , mirzajani.a@iums.ac.ir
Abstract:   (109 Views)
Background and Objectives: The prolonged use of digital screens can cause a set of visual and ocular symptoms known as Computer Vision Syndrome (CVS), which is a common health issue among computer users. This study aimed to estimate the prevalence of CVS among university employees and graduate students in their occupational environment in Iran.
Methods: A cross-sectional study was carried out in the Rehabilitation School of Iran University of Medical Science, Tehran, Iran. The study population (n=154) included all university employees and graduate students who spend at least one hour of computer work per day in their workplace. The participants completed a validated self-administered questionnaire. A descriptive analysis was performed and the prevalence of CVS was calculated. The correlations between variables were assessed using the Pearson and Spearman correlation coefficients and non-parametrical tests were used to evaluate the association between CVS and predictor variables, as well as differences between subgroups. 
Results: The Mean±SD age of the sample was 37.7±11.0 years, 64.3% were women, 57.8% were employee, 56.5% have higher education and the Mean±SD of computer usage time was 5.08±2.2. The total prevalence of CVS was 48.7% and the most frequent symptoms were eye redness (62.3%) and burning (56.5%). A significant positive correlation was found between the number of hours working with a computer and the total score of CVS (Pearson correlation coefficient = 0.248, P=0.02). Moreover, the total score of CVS significantly differed between participants who use six or more hours the computer and those who spend less than six hours (Mann-Whitney U test: P=0.007). 
Conclusion: This is the first investigation using a validated questionnaire to estimate the prevalence of CVS among computer users in the occupational environment, in Iran. The results show a relatively high prevalence of CVS these populations. The most affected are those who use the computer for a longer duration.
 
Full-Text [PDF 1316 kb]   (47 Downloads)    
Type of Study: Research | Subject: Optometry
Received: 2020/11/1 | Accepted: 2020/11/24 | Published: 2020/12/30

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