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视力正常应该填多少合适
更新时间: 2020-11-04 00:00:00  

正常的视力是1.0以上。保护视力需要平时养成良好的用眼习惯。不要长时间玩手机、电脑游戏,避免眼部疲劳。可以一天做两次眼保健操,促进眼睛周围血液循环,使眼部周围的血液流动加速。还可以时常眺望远方,缓解眼疲劳。

关键词: 视力 正常 应该 多少 合适

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