Thesis Computer Vision Syndrome

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It encompasses a group of visual symptoms which crop up from the extended viewing of the digital screen, when the demands of the task exceed the abilities of the viewer.

Symptoms of CVS which are referred to as digital eye strain include dry and irritated eyes, eye strain/fatigue, blurred vision, red eyes, burning eyes, excessive tearing, double vision, headache, light/glare sensitivity, slowness in changing focus, and changes in color perception [4].

However, these studies are not sufficient to explore the nature of CVS and predictor variables at different groups of computer users.

Over the past 30 years, there has been a great advancement in computer technology.

Significance level was obtained at 95% CI and Globally, personal computers were one of the commonest office tools.

It had become a necessity in the 21st century and has been regularly used in various institutions such as government offices, academic institutions, and banking systems [1].

A continuous use of computer for an extended time causes vision problem called computer vision syndrome [2].

Computer vision syndrome (CVS) is defined by the American Optometric Association as a complex of eye and vision problems related to the activities which stress the near vision and which are experienced in relation to or during the use of computers [3].

It has become almost an indispensable piece of equipment both at office and at home.

It is certain that computer has dramatically benefited the society and makes the working condition easier and producing fast output [19]; however, it does associate with health-related problems [2, 4, 5, 8, 9, 11, 13].


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