an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. & k$ f0 n; i( ~, M- ?& n/ G! g - M( O& n$ O8 q/ z1 P: O+ Y1 wvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ' F* o3 k p& { W: ?
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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 H; ?7 q q* ~5 q+ \6 x( y
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)。 + a" i" N1 S. h, O3 d; d/ T8 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。