an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 4 K/ ]' B$ l" P3 n0 }$ D7 S8 W& D6 Z% x9 n( b
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 4 S! N/ }6 t) f! z9 D/ k# W5 ^/ p( l; _( y' l
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。) C9 I. e) `$ A* V+ e. f
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)。1 o% Y( S( Y& P- f ^6 a" K
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。