天气预报 > 其他 > 视力-15是多少度
视力-15是多少度
更新时间: 2020-11-04 00:00:00  

近视150度左右。视力是指视网膜分辨影像的能力。视力的好坏由视网膜分辨影像能力的大小来判定。保护视力做法是按压眼球法。具体做法是闭着眼睛,用食指、中指和无名指的指端轻轻地按压眼球,也可以旋转轻揉。

关键词: 视力 多少

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