A.遠用區(qū) B.近用區(qū) C.漸進區(qū) D.周邊區(qū)
A.戴過鏡事少 B.遠視者為妙 C.高加光多慮 D.低加再會好
A.0.25,0.5 B.0.5,2 C.0.25,0.25 D.0.5,1