[KongchangAI]
Unverified88% confidenceSolutionTime unknown

儿童近视防控标准方案:①每半年到正规眼科查眼轴+验光建档 ②每天户外活动≥2小时(关键是自然光而非运动本身) ③读写距离≥33cm、连续用眼≤40分钟 ④环境照明≥300勒克斯。防近视贴/提醒器仅在②③环节作为习惯养成辅助,不能替代前述任何一项

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