an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. " V/ U3 K% X! {2 E2 _9 |% O F- D0 u+ S* @& J
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 6 r1 k! u2 A8 E& K: D & } b' l8 Q% A0 \* V( _. L# j0 a1 B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。 8 o0 W& I. e9 ]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)。 0 c. E; }/ l' r; Z$ `, uvisual 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。