27 +2.00DS 與下列何者鏡片合併後,屬於複合性散光(compound astigmatism)?
(A)-2.00DC × 0
(B)-2.50DC × 090
(C)-1.00DS/-1.50DC × 090
(D)+1.00DS/-2.00DC × 090
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統計: A(8), B(20), C(17), D(42), E(0) #3286786
統計: A(8), B(20), C(17), D(42), E(0) #3286786