短語詞組短語vertex dioptric power 鏡頂屈光度vertex lens power 頂焦度back vertex power 後頂點(diǎn)屈光度;反曏瞬態(tài)過程front vertex power 前頂點(diǎn)焦距Determination of back vertex power 後屈光度的測定 返回 vertex power