an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. ' P$ V, b7 ]/ B4 ^! u3 z3 D, s( i
6 z% E+ D) |+ x6 t4 C- nvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. / M b* B2 |9 o' a7 o' k
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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。5 U c+ W, M: m2 x+ [' j, D1 L
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)。 9 e' a1 [) u/ C* Fvisual 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。