A.15mm B.20mm C.30mm D.40mm
A.鏡片球鏡度數(shù)不足 B.瞳高過高 C.瞳高過低 D.鏡片散光度數(shù)不正確
A.眼鏡度數(shù)偏負 B.瞳高過高 C.瞳高過低 D.近用區(qū)下移