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。' x7 ]6 y, i6 D, b+ j0 d( M; }
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)。 3 M9 w* A+ v4 g0 n( g: z, Svisual 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。