an uncorrected visual acuity of at least 20/40 (6/12) with both eyes open. ; T& u" ~, t) d. K/ D% O# e& X& o# @$ D0 x4 U6 J9 h
visual aids (glasses or contact lenses) must have vision of 20:20 (6:6) with both eyes open. . n- y$ `6 C U. o
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。" h0 c$ K0 P9 c( Y2 ]+ F) ^0 X. Q
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)。8 Z, Y- g$ `/ M# X4 F, ?
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。