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视力46近视一般多少度
更新时间: 2020-11-05 00:00:00  

视力4.6大约是近视250度,属于轻度近视,轻度近视一般是300度以内的近视。保护视力,不要长时间玩电脑、手机,平时多食用些含维生素A的食物,如猪肝、绿叶蔬菜,胡萝卜等。

关键词: 视力 近视 一般 多少

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