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How does using a computer affect vision?

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When you work at a computer, your eyes have to focus and refocus all the time.  They move back and forth as you read. You may have to look down at papers and then back up to type. Your eyes react to images constantly moving and changing, shifting focus, sending rapidly varying images to the brain.  All these jobs require a lot of effort from your eye muscles -- and to make things worse, unlike a book or piece of paper, the screen adds contrast, flicker, and glare.

From: What Is Computer Vision Syndrome? WebMD Medical Reference

SOURCES: American Optometric Association: "Computer vision syndrome (CVS)"; "The relationship of computer vision syndrome to musculoskeletal disorders"; "Criteria for determining whether the need for eyeglasses or other treatment is related to computer use"; and "Computer vision syndrome threatens returning students."

Reviewed by Whitney Seltman on August 17, 2019

SOURCES: American Optometric Association: "Computer vision syndrome (CVS)"; "The relationship of computer vision syndrome to musculoskeletal disorders"; "Criteria for determining whether the need for eyeglasses or other treatment is related to computer use"; and "Computer vision syndrome threatens returning students."

Reviewed by Whitney Seltman on August 17, 2019

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Who Is more likely to have problems of computer vision syndrome?

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