单选题一双光镜片处方是-1.50DS/-1.00DC×90°Add+2.00则子镜片屈光度为()。A-0.50DS/-1.00DC×90°B+0.50DS/-1.00DC×90°C+0.50DS/-1.00DC×180°D+2.00DS/-1.00DC×180°
单选题
一双光镜片处方是-1.50DS/-1.00DC×90°Add+2.00则子镜片屈光度为()。
A
-0.50DS/-1.00DC×90°
B
+0.50DS/-1.00DC×90°
C
+0.50DS/-1.00DC×180°
D
+2.00DS/-1.00DC×180°
参考解析
解析:
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