A.+3.00D屈折力之减弱,矫正镜顶焦度需增+3.00D
B.+2.00D屈折力之增加,矫正镜顶焦度需减+2.00D
C.+3.00D屈折力之减弱,矫正镜顶焦度需减+3.00D
D.+2.00D屈折力之增加,矫正镜顶焦度需增+2.00D