英语语法分析

Objective to identify the mutation gene of a Chinese family with ectopia lentis.

目的研究我国单纯性晶状体异位家系的致病基因，并确定基因突变。

Methods Clinical observation and pedigree analysis were undertaken in a family with ectopia lentis.

方法对单纯性晶状体异位一家系进行临床研究和系谱分析。

Methods The time, inducement, anterior chamber exudate and cortex lentis residue of 13 cases were observed.

方法对13例病人的发病时间、诱因、前房渗出和皮质残留情况进行观察。