48 .現代軟式非球面多焦隱形眼鏡(soft aspheric multifocal contact lens),多為下列何者設計?
(A)中央看遠前表面非球面(center far front surface aspheric)
(B)中央看近前表面非球面(center near front surface aspheric)
(C)中央看近後表面非球面(center near back surface aspheric)
(D)中央看遠後表面非球面(center far back surface aspheric)