an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 3 ]. A* |$ A! B4 E
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visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 1 n Q1 \% D* |6 Q" A$ T/ u7 \
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。" ?# i) r9 }% X
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)。' b% ~! j! }" Q+ _: l3 ]8 H, p
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。
0 D d& P* r: \5 ]% j $ `4 Q2 n# m7 ^7 b; @% O我过去常检查眼睛。从20 ft (6 米) 远,如果只能看清top最大的 9 Q' s) N! B; U8 Q% D1 c4 i E 1 m' I$ U5 k5 Q4 H 你的视力is 20/200 (20 means from 20 ft.) 如果能看清最下行最小的+ S# y, @( y$ F$ g" n
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你的视力is 20/20. 也就是1.5。拿到 Diver’s license 的视力要求是 20/40, 也就是校正后的视力能看清from bottom up 第3行,也就是校正视力1.0.