an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. ) s* [% ~; a5 r J Y' W6 Y6 t( i& V# r # c8 n1 i+ c" d2 m6 |visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. $ t# D) P1 c! ?0 x 0 f3 a8 r* |( r3 L4 `( _' U/ I7 K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。' j1 f( Z) V) Z* ~8 I1 C% T
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)。 5 V' k9 ?3 {( _. L; ]7 E# z( cvisual 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。