an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 4 R2 J5 C2 {* ?) T' N% g( m
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visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ) a* K! r3 F# K) f: @( W3 L- N1 e4 G% [+ s+ N) A
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。2 _+ H j2 n! W c1 `
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 \; l u) ?+ `: p6 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。