單項選擇題
已知某雙光眼鏡遠用度數(shù)為-1.00D,子片加入度Add:+2.50D,則其近用度數(shù)為()
A.+2.50D
B.+2.00D
C.+1.50D
D.+1.00D
已知某雙光眼鏡遠用度數(shù)為-1.00D,子片加入度Add:+2.50D,則其近用度數(shù)為()
A.+2.50D
B.+2.00D
C.+1.50D
D.+1.00D