an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. : X# C' J% w& a6 ^+ w) W+ e
5 a6 A- k+ t: w Xvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ! Z" ^4 ?' N4 s6 c* B* h
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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。 ) E0 }& c9 A$ @8 jan 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)。" P0 c' r' j/ z" e U( S% G/ ?# j
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。