an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 4 T$ W3 D6 G2 Q$ Y* c! y! _" }* O y% |9 m& g& g2 h
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. ' c8 e3 s! l& m$ p6 m2 }, d7 N 7 Q" j9 o1 n6 b/ U" a* K! Y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。 " V" ?3 C% x4 O9 J7 J }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)。3 j; D% J7 Y' B; Z: L
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。