an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 6 p- d+ C! z, v$ {3 o: D& g : i$ G6 X0 ? Q* R3 `' [visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ; n" g- O% @3 q' O4 M
7 c2 ~9 x1 Y" O' {2 y; x% G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。 ' q+ d$ X% G" ^; k0 z8 H' c* 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)。 7 G6 p. d5 g/ B: h' ?; ?) r- Z# P( ~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。