Objective Comparing the alteration of the stereopsis acuity of the multifocal intraocular lens(MIOL)eye with monofocal intraocular lens(SIOL)eye in order to evaluate the effectiveness and safety of the MIOL.

• 目的比较多焦点人工晶状体(MIOL)眼与单焦点人工晶状体(SIOL)植入术后患者的立体视锐度有无改变以评价多焦点人工晶状体植入的有效性及安全性。