an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. & u7 R; h' f" t7 s . ]! K# g) E% J) C, s9 dvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. . X, h. P8 I2 O7 L! Z
$ c" A- i) J6 M: u8 }" F L7 d
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。( C- _5 k5 h8 @2 B, Y V1 x
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)。 4 t/ S+ c% M1 F! G& E4 y$ m8 _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。