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8岁小孩的视力多少才正常
更新时间: 2020-11-05 00:00:00  

8岁儿童双眼视力,均应该达1.0,如果单眼视力小于等于0.8,或双眼视力相差视力表2行或2行以上时,属于异常。

平日要培养儿童良好的看书、写字姿势,眼与书本之间距离保持30-35cm;室内光线充足,看书、写字的环境光线不应过暗或过强,一次连续看书或写字时间,不应超过半小时;傍晚时避免近距离用眼,不要在震荡、晃动的状态下阅读;连续看电视时间不要超过半小时。同时,要注意预防眼病及眼外伤,每年要对儿童进行视力检查。

关键词: 小孩 视力 多少 正常

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