an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 6 h7 }" H9 G* C: g( z$ V' j2 ] $ J9 F# W Z) t! G& k6 e0 I1 Xvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 0 q7 r# S* E# a+ s " d5 x) c; e9 L l7 O0 T4 _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。 # C, J2 x$ n- t8 V8 U$ Man 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)。 ! o( Q' a! U/ Cvisual 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。