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大家看一下这个网站, r& u# y) \9 \4 S
http://www.eyesite.ca/english/pr ... nes/drivingstd.html* T4 r7 O! m! }9 I5 \1 z; A8 o% V
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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* }) W6 p1 U, f# V2 h# {
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+ R e. I: L/ ?% S; h3 FClass of licence† Recommended standard
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# B" _# D0 |' \# }' @5 (Personal Use) * a* K% `; B! y
Not less than 20/50 (6/15) with both eyes open and examined together
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4 (Taxi) and 5 (Commercial)
7 x% e5 `4 |6 q, z+ G; mNot less than 20/40 (6/12) with both eyes open and examined together. Worse eye not less than 20/200 (6/60).
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1, 2, 3,4 (Emergency) and 6 : r) L: E, Y' t Q% z
Not less than 20/30 (6/9) with both eyes open and examined together. Worse eye not less than 20/100 (6/30). ' B2 A, t1 D( c3 @. _. Y9 `8 p- ~( B* X* o
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5 J$ Z( |9 o& I0 g" v7 j1、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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