an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. " Q1 B2 H% u- H$ G
5 p# V& ~! Q% N; a
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. $ f! I0 ]) C" i$ e* C! V! A/ V. t ! |" d8 c+ z4 [# n' ^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。 ! F3 d3 j7 a: t; [1 \) Dan 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)。8 x: P' j6 I$ `6 z! z
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。