EVALUATION OF VITRECTOMY AND REIMPLANTATION FOLLOWING LATE DISLOCATION OF THE INTRAOCULAR LENS-CAPSULAR BAG COMPLEX: A 3-Year Follow-up Study

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Abstract

Objectives:

To study the predisposition factors for dislocation of the intraocular lens (IOL)—capsular bag complex and analyze the results of subsequent reimplantation surgery.

Methods:

The exclusion criteria were complicated cataract surgery and minor dislocations that appeared in the first year after cataract surgery. Thirty-six months of monitoring of the reimplantation surgery was required. The primary measurements of results were factors concerning dislocation, the interval between cataract surgery and dislocation, and postoperative complications.

Results:

Thirty-six patients with dislocation of the capsular bag and lens were identified. Pseudoexfoliation was mentioned in 17 cases (47.2%) and was the main predisposition factor. The average interval between cataract surgery and dislocation was 11.5 years. The dislocated IOL was replaced by a posterior chamber implant in 38% of cases and an anterior chamber implant in 62%. The average best-corrected visual acuity improved significantly after the reposition surgery (P < 0.01). The average monitoring period after secondary reimplantation was 5.95 years (min. 3.03—max. 8.46). Three patients developed bullous keratopathy, all of them with an anterior chamber IOL implantation.

Conclusion:

According to our knowledge, this article is the one with the longest monitoring time to date. Pseudoexfoliation was the main risk factor for the dislocation of the IOL. Surgery significantly improved best-corrected visual acuity, and the reimplantation of the IOL in the posterior chamber was associated with less serious complications.

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