In our country, before the 1980s, the incidence of myopia is very low in students in primary and middle schools.

在我国二十世纪八十年代以前，近视的发病率很低，中小学生中为数很少。

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As self-health care consciousness of students in primary and middle schools is poor, the incorrect pose while reading or watching at TV, computer for a long time can cause myopia.

中小学生自我保健意识差，阅读时姿势不正或在电视、电脑屏幕前久视，都会引起近视。

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Objective: To investigate the impacts of eye care habits and vision burden on myopia among primary and high school students.

目的：了解中小学生用眼习惯与负担，探讨这些因素对近视的影响。

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Experts in Singapore suspect that the city's notoriously hardworking students may be cramming their way to myopia.

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