Conclusion As long as grasping reasonable surgical methods and techniques， and applying individual surgical safety parameters， the small pupil complex phacoemulsification surgery can also get excellent results. Postoperative ease of the pupil has brought convenience to the follow-up examination of the fundus and treatment of posterior capsular opacification. So this method is worth promoting.

    【Key words】 Phacoemulsification； Intraocular lens； Small pupil； Cataract； Reaction to light； Complications； Posterior capsular opacification

    白内障是一种常见的眼病 ......