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高中生左右眼视力多少正常
更新时间: 2020-11-05 00:00:00  

高中生左右眼视力要在1.0以上才正常,当远近视力达到0.9以上时,才能说明其中心视力正常。一般来说,正常人的周围视力范围相当大,两侧达90度,上方为60度,下方为75度。近视、夜盲患者的周围视力比较差,一些眼底病也可致周围视力丧失。

关键词: 高中生 右眼 视力 多少 正常

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