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  3. Tips to Improve Your Eyesight Back in the early 1970s, about 25 percent of Americans were diagnosed as near-sighted. / But a

Tips to Improve Your Eyesight Back in the early 1970s, about 25 percent of Americans were diagnosed as near-sighted. / But a

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答案 Tips to Improve Your Eyesight Back in the early 1970s, about 25 percent of Americans were diagnosed as near-sighted. / But a new study shows that between 1999 and 2004, / that number grew to nearly 42 percent. / Here are some simple yet useful tips to protect your precious eyes. / First, move your computer screen to just below eye level. / Your eyes will close slightly when you’re staring at the computer, / minimizing the risk of dry eye syndrome. / Second, turn down the heat in your house / because heat dries out the air, which, in turn, dries out your eyes. / Third, wear sunglasses whenever you leave the house. / Researchers found that fishermen enjoyed better eyesight and suffer less eye problems than those who went bare-eyed. / The reason is that they protected their eyes from the harsh glare of the sun and its damaging UV rays. / Finally, doctors found that people eating large amount of fruit / were less likely to develop age-related eye diseases.
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