10 軟式散光隱形眼鏡為維持旋轉穩定性,所採用的設計,下列何者錯誤?
(A)稜鏡垂重(prism ballast)
(B)截邊(truncation)
(C)上下削薄(double slab off)
(D)兩側加厚(bilateral thick zone)
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統計: A(50), B(37), C(30), D(351), E(0) #1622913
統計: A(50), B(37), C(30), D(351), E(0) #1622913