Objective To compare the clinical effect of small incision and phacoemulsification which all combined with PMMA intraocular lens implantation in extraction of great aged senile cataract.

• 目的对比研究小切口白内障摘出+PMMA人工晶状体植入术和超声乳化白内障摘出+PMMA人工晶状体植入术治疗高龄老年性白内障的临床效果。