an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 6 H2 n5 D- {( T$ k: }1 o " H4 ]' Z' g" qvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ( |- B3 O2 j2 }, |6 r, Z 9 I/ O1 P+ S) n" [重要的是专业问题:20/40是什么意思?校正后双眼视力20/20(6:6)是什么意思?
我试试啊,不好或不对请谅解,因为我不是近视,没有看过眼医。 - a! h3 A: S. j7 b( W! x- g* o# [an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 两眼睁开时,未矫正的双眼视敏度至少是20/40(6/12)。 , C; z1 l* q, D- r+ _visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open.在有视力辅助(如眼镜或隐形眼镜)的情况下,双眼睁开时,视敏度可为20:20(6:6),相应增强。
: j3 C" L" Y' }% d$ w3 f1 O, i我过去常检查眼睛。从20 ft (6 米) 远,如果只能看清top最大的 : ~+ s- I: X6 {' U* }3 y, |/ K% R E ( z. r) z* s B. { r. P+ _ 你的视力is 20/200 (20 means from 20 ft.) 如果能看清最下行最小的+ @! G$ H! \/ M% t, G) d, x9 a ?9 S
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