an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 1 z7 y. `3 {) F) |) f6 p
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visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 1 c0 D5 l3 t3 H: u# b
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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。& F8 _# G! {3 K) q8 I) @; @
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)。 6 }- Q: d4 }" T/ Avisual 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。