an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. p/ T4 P$ s0 k; y! c2 o; e J( _, n) H& X. [6 Y0 |
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. - H; N( F( ?8 m# [6 K2 r. ] & T. y5 ]/ e" t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。 / A7 h7 B2 \/ D9 v( f9 r1 @8 e9 San 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)。; ]) i7 d+ g! Q8 }5 G H2 d' r
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。