15.尚未達到法定盲程度的中度視覺障礙(moderate visual impairment)的視力範圍為何?
(A)20/40 – 20/70
(B)20/100 – 20/200
(C)20/200 – 20/1000
(D)20/1000 以上
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統計: A(5), B(68), C(19), D(0), E(0) #634640
統計: A(5), B(68), C(19), D(0), E(0) #634640