Copenhagen 2016 Registration Programme Exhibitor Information Virtual Exhibition Satellite Meetings Glaucoma Day 2016 Hotel Star Alliance

10 - 14 Sept. 2016, Bella Center, Copenhagen, Denmark

This Meeting has been awarded 27 CME credits


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Bilateral late spontaneous intraocular lens dislocation after cataract surgery: case report

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Session Details

Session Title: Presented Poster Session: Pre/post-op special cases

Session Date/Time: Sunday 11/09/2016 | 15:00-16:30

Paper Time: 15:10

Venue: Poster Village: Pod 1

First Author: : M.Noronha PORTUGAL

Co Author(s): :    N. Coelho   T. Gomes   J. Branco        

Abstract Details


To describe a case of bilateral late spontaneous posterior-chamber intraocular lens (PC-IOL) dislocation after cataract surgery.


Centro Hospitalar Lisboa Central Department of Ophthalmology.


A 50 year old male patient presented in our Ophthalmology department reporting sudden, marked reduced visual acuity (VA) of recent onset in both eyes. Previous ophthalmological history included bilateral phacoemulsification with acrylic, one-piece, hydrophilic PC-IOL implantation 3 years earlier, with no reported intra-operative or early post-operative complications. No trauma history was elicited. The patient was submitted to a complete ophthalmological exam.


Best corrected VA was counting fingers at 0,5 m for both eyes. On biomicroscopy, the right eye showed mild corneal stromal and epithelial edema, as well as anterior dislocation of the IOL, with a haptic protruding into the anterior chamber, and the optic horizontally positioned, protruding through and distorting the pupil. The left eye showed inferior and posterior IOL dislocation, its optic covering only a fraction of the pupillary space. No other changes were seen on biomicroscopy and fundoscopy examination. The patient was referred to both vitreoretinal and refractive specialists to decide treatment strategy.


Late spontaneous IOL dislocation is an infrequent but serious complication of phacoemulsification cataract surgery, defined as occurring 3 months or later after surgery. It may occur within the capsular bag (“in-the-bag”) or without associated capsular bag (“out-of-the-bag”); different risk factors may be involved for each condition, although some cases have no identifiable cause. In addition, it may occur despite uncomplicated surgery. Surgical options may involve IOL repositioning or IOL explantation and exchange, plus vitrectomy in cases of posterior dislocation. Complication rates after surgery are low, and visual outcomes are good, but may depend on etiology and surgical approach.

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