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05的视力相当于多少
更新时间: 2020-11-05 00:00:00  

0.5的视力相当于4.7,正常成年人视力应该达到1.0或1.0以上,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,然而当眼的屈光介质,如角膜、晶体、玻璃体等,变得混浊或存在屈光不正,包括近视、远视、散光等时,即使视网膜功能良好的眼视力仍会下降。

关键词: 视力 相当 多少

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