Only let the myopia increase artificially rapidly

Only let the myopia increase artificially rapidly
Why did the modern hit so many of myopia? At the beginning of the seventies of the 20th century, 25% of the Americans were near-sighted, 30 years later, this proportion has already risen to 42%, the global trend of other areas was similar. The myopia increases rapidly to seem to impute to the characteristic of the modern life: Spend increasingly much time under the artificial light indoors. Researchers think, the bright the open air only helps children's eyes still in development to keep the appropriate distance between lens and retina. Only seem not to offer the same feedback in the dim room. So, if stay children at indoor time too long,the they one eyes can't developments normal, the distance among lens and retina will be too big, cause them not to see the object at a distance clearly. One carried on in 2007 discovers, in parents are all the American children of the myopia, stay outdoors at least every day children for two hour suffer from near-sighted possibility wait for 1/4 of children for less than less than 1 hour outdoors every day only. The expert proposes: Let the children treat for a longer time outdoors. " Reference News " 2011.06.23

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