Dislocated intraocular lens extraction by vitrectomy.

Objective To investigate the technique and effects of intraocular lens (IOL) extraction by vitrectomy.Methods IOL extraction was performed on 13 cases with IOL dislocated into vitreous cavity.At the same time the complications,such as vitreous hemorrhage,retinal detachment,etc.were managed.In one case,the anterior chamber IOL was implanted intraoperatively.Results The final visual acuity was improved in varying degrees in all cases.The post-operative correct vision,0.1～0.4 in 6 cases and 0.5 or better in 4 cases.No severe complication was found.Conclusion The vision of cases with IOL dislocated into vitreous cavity can be restored and preserved.The prompt operation and skillful manipulation in vitrectomy are the key points of the surgery.