an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. & U/ `& V6 d" T# ?6 l* Z
# r4 L) H1 M7 n- v7 u& | x1 t$ mvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. / k7 }8 i3 P( A- ]3 z. y) {
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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。: Z% W) r% T' f
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)。 1 a* ]# X+ m6 W" g( S6 Wvisual 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。