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Why Do Computers Cause Eye Strain?

cause Computers eye strain
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Why Do Computers Cause Eye Strain?

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It’s hard to believe that seven or eight years ago many of you didn’t know how to turn on a computer. Today it’s a part of all of our lives — from grandmothers surfing the net to children learning their ABCs. While computers can and do increase our productivity, they are also a source of eye strain. Chronic eye strain is the second most common complaint among computer users. Wonder why? The answer is simple: the eyes weren’t designed to stare at flat (two-dimensional) screens or books for hours upon hours. Computer use requires the eyes to maintain fixed focusing and eye alignment at 20 inches for long periods of time. The eyes were designed to constantly change fixation to look for danger or to find food. Focusing and eye teaming (convergence) constantly change while looking at real objects, which have texture and depth. Evolution and technology have changed that. Our eyes stay at a fixed distance when viewing books or computer screens which causes the eyes to become locked in this c

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