Methods: APOE _219G/T genetype in AMD group(50 cases)and control group(95 persons)was identified by polymerase chain reaction and restriction fragment length polymorphism genotyping technique.

• ：用聚合酶链反应_限制性片断长度多态性分析法对AMD组(50例)和对照组(95例)的APOE_219G/T基因型做出鉴定。