an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 1 H: j' |, I* W) d" o# H
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visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 5 m( G8 ?' q2 n/ Z, F. V: V6 q6 X0 g" i# j E% A" V& u* v/ P
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。+ {9 v; }( ?2 J* H, t' U4 S
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)。 : R" @: a" q7 ^' C7 @7 @7 T' xvisual 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。