(来学网)如检查视力低于1.0时,需加针孔镜检查,针孔镜的直径为
  • A.
    (来学网)2mm
  • B.
    (来学网)1mm
  • C.
    (来学网)1.5mm
  • D.
    (来学网)2.5mm
  • E.
    (来学网)0.5mm