Friday, December 15

Impacts of Computer on Eyes Vision

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Often the letters on a computer screen are not as precise or sharply defined, the level of contrast of the letters to the background is reduced and the presence of glare and reflections on the screen may make viewing more difficult. Viewing distances and angles used for computer work are also often different from those commonly used for other reading or writing tasks. As a result, the eye focusing and eye movement requirements for computer work can place additional demands on the visual system. Older workers particularly may find adjusting to these working requirements difficult. Eyeglasses or contact lenses prescribed for general use may not be adequate for computer work.* Specific occupational lenses prescribed to meet the unique demands of computer work may be needed. coatings may help to maximize visual abilities and comfort. receive eye examinations and occupational eyewear have reported improved comfort and resolution of their symptoms. The quality and efficiency of their work have also been improved.
Some computer workers may experience problems with eye focusing or eye coordination that cannot be adequately corrected with eyeglasses or contact lenses. A program of optometric vision therapy designed to treat specific binocular vision dysfunctions may be needed.12 Special lens designs, lens powers or lens tints or22 Computer workers who A preventive approach to reducing visual stress from computer work incorporates the use of rest or alternate task breaks throughout the workday. Many computer tasks are repetitive and can become stressful both mentally and physically after an extended period of continuous work. Occasional rest or alternate task breaks are helpful to combat fatigue and stress. They provide an opportunity to incorporate different and less visually demanding tasks into the work regimen. Specific rest or task breaks should be based on the individual visual needs of the operator.


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