單項選擇題

角膜塑形鏡驗配試戴理想時,試戴片參數(shù)為44.50/-3.00/+0.75/10.6,戴鏡驗光為-0.50=1.2,那么訂片參數(shù)為()

A.44.50/-3.50/+0.75/10.6
B.44.50/-2.50/+0.75/10.6
C.44.50/-4.00/+0.75/10.6
D.44.50/-2.00/+0.75/10.6

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