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Natl J Med Res. 2013; 3(2): 111-116

Practice of Ergonomic Principles and Computer Vision Syndrome (CVS) among Undergraduates Students in Chennai

Muthunarayanan Logaraj, V Madhu Priya, N Seetharaman, 4. Shailendra Kumar Hedge.


Background: With increasing use of computers by young adults in educational institutions as well as at home there is a need to investigate whether students are adopting ergonomic principles when using computers.
Objective: To assess the practice of students on ergonomic principles while working on computers and their association with the symptoms of Computer Vision Syndrome (CVS).
Methodology: A cross-sectional study was conducted among the undergraduate students using pre-tested structured questionnaire on the demographic profile, practice of ergonomic principles and symptoms of CVS experienced while on continuous computer work within the past one month duration.
Results: Out of 416 students studied, 50% of them viewed computer at a distance of 20 to 28 inches,
61 % viewed the computer screen at the same level, 42.8% placed the reference material between monitor and key board, 24.5% tilted screen backward, 75.7% took frequent breaks and 56.0% blinked frequently to prevent CVS. Students who viewed the computer at a distance of less than 20 inches, viewed upwards or downwards to see the computer, who did not avoid glare and did not took frequent breaks were at higher risk of developing CVS. Students who did not used adjustable chair, height adjustable keyboard and anti-glare screen were at higher risk of developing CVS.
Conclusion: The students who were not practicing ergonomics principle and did not check posture and make ergonomic alteration were at higher risk of developing CVS.

Keywords: Ergonomic principles, computer vision syndrome, undergraduate students.

Key words: Keywords: Ergonomic principles, computer vision syndrome, undergraduate students.

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