an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. : V7 X* e3 q5 C3 L/ ]. c( v3 V; R$ }* |9 T
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 4 w: ~- C% C& d0 [/ p) n" W; o* ^* y
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。 ( B: W& b s: t& E5 [7 t& nan 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)。. L( i( n, _0 `0 u
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。