Sultana Kausar, Ume Sughra, Wajid Ali Khan, Khizer Nabeel.
Prevalence of Computer Vision Syndrome (CVS) Symptoms and its Awareness among Software Engineering Students of Twin Cities.
Al-Shifa J Ophthalmol Jan ;14(1):28-33.

Introduction Computer vision syndrome (CVS) is a condition in which a person experiences one or more of eye symptoms because of prolonged working on computer. Objectives: To determine the prevalence of CVS symptoms, knowledge and practices of computer use in students studying in different universities of Rawalpindi, Islamabad Pakistan and to evaluate the association of various factors in computer use with the occurrence of symptoms. Materials and Methods: It was a descriptive cross-sectional survey done on 350 university students of twin cities. A pre-tested structured questionnaire was used to collect data regarding demography, use of spectacles, duration of daily use of computer, symptoms of CVS and knowledge about its problem and use of preventive measures to reduce the symptoms. Results: Prevalence of symptoms of CVS was found to be 87.7 %. The most disturbing symptoms was headache (57.7%) followed by eye strain (57.10%). Students who used computer for more than 2-3 hours per day experienced significantly more symptoms of CVS (p=0.0001). A statistically significance association was found between the posture and shoulder pain (p=0.03). Watery eyes were also associated, and the association was found statistically significant (p=0.004). Conclusion: 87.7% of university students in Rawalpindi, Islamabad experienced symptoms related to CVS, which was seen more often in those who used computer for more than 2-3 hours continuously per day and the wrong posture.

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