an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 0 T: R. f; c) ~. x4 `+ Z% p# c* N C3 P! ^3 {
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 1 @9 @( `& `' s0 Y) U" M8 E* U, m2 ]) W& g( I
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。5 f1 C i( ~8 d2 H+ x/ k0 |
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)。 $ C3 d* \' s2 r z; f. e0 _5 x$ 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。