查了一下,这是标准要求,好象只有单眼视力也是可以的,一般是5号牌吧?* c. P) H% @. s
% D _" d5 c, {" u. ?0 D D
另外下面给的视力的要求,比如6/12 (20/40)具体是什么意思? $ k! z5 ?/ p! E y/ x9 ?/ L 6 r. c& r/ M0 D- _7 C! W% O
1,2,3,4 Binocular vision - ]# n4 w" Y3 \2 O. w" qBetter eye 6/9 (20/30) ' ?. s4 r7 l. j6 r# d; cWeaker eye 6/15 (20/50)9 l" o3 O1 x: _$ d3 T- k" Z$ E
120 degrees in each eye examined separately) ?+ W9 U& k! v( a
( p9 E7 c/ C5 C; d) H9 t. i
5,6 Binocular or monocular . a# y7 H& Z. NBetter eye 6/12 (20/40)4 G' ^+ ]/ W' V. r$ U% k5 B+ N
120 degrees with vision both eyes open and examined together