an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 1 i" H! ?9 F. |/ v+ o: D) ]6 S 4 r8 N1 F8 i7 M q6 a. qvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. . @8 p- X q6 N$ p
1 t7 m' N: g* j
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。# B: e$ i( M1 u0 S/ a
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)。 0 y5 g# e8 U9 _" d4 vvisual 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。