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大家看一下这个网站5 F5 l' w m% T1 K
http://www.eyesite.ca/english/pr ... nes/drivingstd.html4 [0 Z! @( B$ M! f2 }* |/ x- o
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里面这段
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Table 1–Corrected visual acuity* standards for the various classes of driving licences
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9 n( G& |' ^1 I; h7 w. vClass of licence† Recommended standard
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- h" N! W1 X1 M _6 F$ k; v4 C; m, }2 a5 (Personal Use) ( L8 U+ |/ ?1 q `
Not less than 20/50 (6/15) with both eyes open and examined together! p Q' A2 D7 b$ S
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4 (Taxi) and 5 (Commercial) ' w% p# b0 O/ g( k# m
Not less than 20/40 (6/12) with both eyes open and examined together. Worse eye not less than 20/200 (6/60). 0 A& J2 e* P5 M. b
: ~# i6 g2 a# q5 z+ h& R5 \1, 2, 3,4 (Emergency) and 6
2 E! h" U7 r8 o5 QNot less than 20/30 (6/9) with both eyes open and examined together. Worse eye not less than 20/100 (6/30). ! C& x/ ^/ u% N0 V% v
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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? |
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