an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. 1 y* [* K/ S5 { % d- B5 P, k3 N6 b' yvisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 3 \/ r! Q& M6 Y
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。0 A' S5 k" t8 {1 G0 V: h+ N& |9 C
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)。 : P/ O# v; h' ^" D, ivisual 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。
6 G9 A/ D% X! `7 f9 }8 ^ % \; T. f! _& B0 P! g我过去常检查眼睛。从20 ft (6 米) 远,如果只能看清top最大的& x* |$ }$ O! I5 O
E 1 w9 [6 c4 t1 L- n: g 你的视力is 20/200 (20 means from 20 ft.) 如果能看清最下行最小的 . {8 |/ [( Y. A5 A ! c9 p4 Q. c2 {4 d2 C4 I- |9 t E V O T Z/ X/ T2 A' c( J" u