an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 8 P& i$ M9 ]% u$ O: G* R( m " a! p8 _: [+ N* V4 w( S; j- xvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 1 m1 C3 P, d1 P( ` 3 h; ^4 }! p7 d% F5 c9 \' 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。 1 r+ R$ W' R+ @2 i! @/ E3 wan 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)。 2 o$ ] {6 C8 q6 T) jvisual 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。