Among children who spend the same amount of time outside, the amount of nearwork has no correlation with nearsightedness.
孩子花的时间等量情况下,近视和所做的“纯工作”量是没有相关性的。
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"Myopia has been associated with education, nearwork, urbanization, prenatal factors, socio-economic status, cognitive ability, season of birth, light and time spent outdoors," the researchers say.