大家看一下这个网站0 a% g9 J0 D; A/ a+ j* b4 r http://www.eyesite.ca/english/pr ... nes/drivingstd.html 8 q4 k' _6 L* V2 n$ V/ v# b4 d& Y8 j# M0 ~6 I6 |5 [3 ^7 F
里面这段- u# p) k3 R! P' Z( x$ [
-------------------------------------------------------------------------------- ) O; @: W/ V' ] _8 m% j C0 W" oTable 1–Corrected visual acuity* standards for the various classes of driving licences & N) R: [! m7 m! N* D$ N9 B8 J0 L1 m
-------------------------------------------------------------------------------- & Y' W w! |3 ?" h 6 O" p, ~% v" R$ N( D9 J
Class of licence† Recommended standard 1 n) U( s8 ]6 R# U 2 _: i- \1 d+ J8 M5 f ?- Z! Z1 e-------------------------------------------------------------------------------- : J7 G' c5 }/ d/ ^, r# @( P# g3 Q% \ # I) X0 Z) U+ F P! ^$ T
1 G) p# z. ~1 _( T! y5 N/ y5 (Personal Use) * x- r" U% }' R% |: n% Z/ _Not less than 20/50 (6/15) with both eyes open and examined together+ n8 ?: M+ o* A6 A; T
; R5 @1 C s- D& m
6 H& b) t5 r) N% P+ C1 W1 c2 {4 (Taxi) and 5 (Commercial) 5 g( l9 k" N: w/ ^1 z4 M
Not less than 20/40 (6/12) with both eyes open and examined together. Worse eye not less than 20/200 (6/60). 7 N; h+ o. D9 T9 I0 q7 ?" W6 I+ J4 E& W% v$ G$ c% `
1, 2, 3,4 (Emergency) and 6 6 u( G& W3 e+ a1 |
Not less than 20/30 (6/9) with both eyes open and examined together. Worse eye not less than 20/100 (6/30). 2 f1 y/ c3 N) f$ z' V( \
% i8 V' ~9 g; d5 H* G-------------------------------------------------------------------------------- 2 S1 v; I1 x2 L( {" o: Z: m 7 z% @ [6 }. E3 l2 M" o s) b. m
1、license 5:视力要求,双眼测试0.4,对单眼不作要求,可以这样理解吗,0.4时我们平常说的0.4吗?