an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. . J( x5 |" E9 l j( N# f- R 4 [) |/ l6 b: T/ j L: avisual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. 8 ^, y+ S) _! t. J
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。 / U) w% K* M" X a1 n+ C3 W+ o% s5 e2 Yan 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)。1 v7 [6 Y3 m1 }3 A
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。
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我过去常检查眼睛。从20 ft (6 米) 远,如果只能看清top最大的 ( j0 q* k0 @2 i7 n( h4 C4 m E ' K5 W- K1 H) c; ]" S3 k 你的视力is 20/200 (20 means from 20 ft.) 如果能看清最下行最小的( \5 h, @: y* ]
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