7.若依角膜弧度儀的測量為參考,下列何者為順散光(with-the-rule astigmatism)該有的數值?(A)41.00 D在80度,43.00 D在170度(B)43.00 D在80度,41.00 D在170度(C)43.00 D在130度,41.00 D在40度(D)43.00 D在35度,41.00 D在125度