Night mode to see the pages, protect eyesight and prevent myopia adjust the brightness, night mode.

关灯看网页，保护视力，预防近视调整亮度，夜间模式。

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OBJECTIVE to investigate pupils myopia rate and major risk factors in Weinan, and provide the basis to prevent pupils myopia as earlier as possible.

目的了解渭南市小学生近视患病状况及其主要危险因素，为预防小学生近视提供依据。

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According to Professor Morgan they are missing out on prime light to prevent myopia.

BBC: Massive rise in Asian eye damage