Because now many students homework more homework should be on table for a few hours, eyes will damage, lead to myopia, blurred vision.

因为现在功课多许多同学写作业都要趴在桌前几个小时，眼睛会受到损伤，导致近视，视力模糊。

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Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

配戴低度凸透镜可降低小学生近视的发生率。

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

CNN: Where Life Passes in a Blur