Back孩子不玩手机、不看电视就不会近视?真相来了
孩子不玩手机、不看电视就不会近视?真相来了
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中国新闻网1 hour agoHealth2 min readChina

孩子不玩手机、不看电视就不会近视?真相来了

电子产品并非导致孩子近视的唯一元凶,控制近距离用眼总时长是核心

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谣言辟“孩子不玩手机电视就不会近视”。专家指出,长时间静态近距离用眼同样消耗远视储备。近视防控核心是控制近距离用眼总时长并增加户外活动,视力达标不等于远视储备充足。

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Why It Matters

公众常将儿童近视归咎于电子产品,对远视储备和近距离用眼概念存在认知误区。

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电子产品并非导致孩子近视的唯一“元凶”。长时间看书、搭积木、绘画、刷题等静态近距离用眼,同样会消耗孩子的远视储备。近视防控的核心是控制孩子近距离用眼总时长,而非仅禁止其使用电子产品。家长要帮助孩子控制近距离用眼总时长,同时增加日间户外活动,养成良好的用眼习惯。

即使孩子视力正常,也需定期监测远视储备,因为视力达标不等于远视储备充足。虽然部分6~7岁儿童裸眼视力达到1.0,但散瞳验光后远视储备仅50度,远低于同龄标准,属于近视前期。视力只是近视的表层指标,眼轴长度、生理性远视度数才是预判近视的核心依据。

真性近视难以逆转,但可防可控。戴眼镜不会加深近视,拖延配镜、眼镜度数不合适,反而会造成近视度数快速增长。视物模糊时,眼睛持续用力调节,会加速近视度数增长。经正规散瞳验光确诊近视后,孩子应在专业人员指导下,选择合适的矫正方式,避免过矫,也不要把欠矫或不戴镜当作控制近视的方法。

Open Questions

  • 日间户外活动具体时长标准是多少?

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This article was originally published by 中国新闻网.

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