Method:Through scanning laser opthalmoscope (SLO), the changes of iris microcirculation after phacoemulsification which were regarded as the guideline of iris microcirculation damage were observed.

• 方法：通过激光扫描检眼镜(SLO)观察不同类型的白内障在超声乳化术前及术后虹膜微循环的变化，并依此作为评价虹膜微循环损伤的指标；