What Causes Eye Strain?
There are several factors that contribute to the causes of eyestrain. Focusing the eyes on a fixed object for prolonged periods causes the eyes to strain with close viewing being worse than distant viewing. Working in poor lighting also causes the eyes to become more strained.
The direct glare of bright ceiling lights or a sunny window shining into your eyes makes it difficult to see. Eye strain caused by computers is common. Reflected glares of computer screens may also bring about eye strain because the contrast between the image you are viewing and its background are reduced by the reflected light.
This glare makes it harder for your brain to interpret the image which causes you to strain your eyes and your facial and eyes muscles tighten. Too much contrast (the difference in brightness between what is being viewed and its immediate environment) can also lead to eye strain caused by computers.
Tags: Eye Strain, Eye Strain causes
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