an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. , ?( x" U# r$ C) Z* E! [4 G6 Z; T$ W& M- G0 j0 ]
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ! \% L0 [9 d0 \& q: o! T
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。* {" P* D e2 k+ J% m( ?: ~- `) K# n
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)。$ Y4 j6 j! j j* e
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。
) C3 R9 k' b4 K! i) q! Y我过去常检查眼睛。从20 ft (6 米) 远,如果只能看清top最大的+ Y9 ` a% t/ u8 C! a4 ^
E & }" D% a \6 l/ e: K) k 你的视力is 20/200 (20 means from 20 ft.) 如果能看清最下行最小的 " I& s. A8 z/ |0 |% |5 k3 T& X# n1 h. N9 _8 f6 k( m
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