an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. - p' S- y% U. T/ u6 B6 S& K+ S% O( ]) _0 e* B0 }! k B& e
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. : S$ Y' M4 a3 ~2 N6 ]' z1 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。1 t$ z; H4 i, w8 q
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)。# I- O$ k6 F* i, a0 f2 Y3 i
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。