天气预报 > 其他 > 视力61相当于多少
视力61相当于多少
更新时间: 2020-11-05 00:00:00  

视力表没有视力6.1的。视力表最高是5.3的视力,5.3也表示就是视力2.0。检查视力一般分为远视力和近视力两类,远视力多采用国际标准视力表,此表为14行大小不同开口方向各异的“E”字所组成;测量从0.1-1.5(或从4.0-5.2);每行有标号,被检者的视视力表操作方法线要与1.0的一行平行,距离视力表5米。

关键词: 视力 相当 多少

视力61相当于多少相关经验

天气预报

最新推荐

页面:/news/view-148228/ | 耗时:0.1534 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=148228 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=148228 LIMIT 0,1
select * from tbl_Articles_sphinx where id=148228 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2492010,976840,1409173,147739,1308408,1062944,2578704,1623590,2845017,1924573,2612297,3184294,587120,1879927,1129651,3056754,2324253,1768789,1045805,2482444,650307,2641864,3255740,2133363,3134851,1396833,2092172,1549672,162469,3308748) ORDER BY field (ArticleID,2492010,976840,1409173,147739,1308408,1062944,2578704,1623590,2845017,1924573,2612297,3184294,587120,1879927,1129651,3056754,2324253,1768789,1045805,2482444,650307,2641864,3255740,2133363,3134851,1396833,2092172,1549672,162469,3308748)