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Iris Fixation via External Pentagram Suturing

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IOL repositioning using iris sutures: a safe and effective technique.

Tomaso Caporossi¹, Ruggero Tartaro¹, Fabrizio Gs Franco¹

¹Department of Surgical and Translational Medicine, Eye Clinic, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50314, Italy.

International Journal of Ophthalmology

|December 19, 2019

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This study presents a safe and effective iris suture technique for repositioning dislocated intraocular lenses (IOLs). The method demonstrated stable visual acuity and minimal complications in managing posteriorly dislocated IOLs.

Area of Science:

Ophthalmology
Surgical Techniques

Background:

Posterior dislocation of intraocular lenses (IOLs) is a significant complication requiring surgical intervention.
Causes include trauma and pseudoexfoliation syndrome, impacting visual function.

Purpose of the Study:

To evaluate the efficacy and safety of a specific intraocular lens (IOL) repositioning technique using iris sutures.
To assess visual outcomes and complications associated with this surgical approach for dislocated IOLs.

Main Methods:

A retrospective case series of 41 consecutive patients with posteriorly dislocated IOLs treated between January 2015 and May 2017.
All patients underwent pars plana vitrectomy and IOL repositioning with iris sutures.
Data collected included pre- and postoperative best corrected visual acuity (BCVA), refractive outcomes, and complications.

Keywords:

IOL luxation cystoid macular edema pars plana vitrectomy

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Main Results:

Mean follow-up was 12.2 months.
No significant change in mean BCVA from pre- to postoperative (0.10±0.15 vs 0.08±0.14 logMAR).
Low rates of complications: 7.31% lens tilt, 4.87% cystoid macular edema; no endophthalmitis, hypotony, or detachment.

Conclusions:

The iris suture technique is a safe and valid option for managing posteriorly dislocated intraocular lenses (IOLs).
This method offers stable visual outcomes and a favorable safety profile for IOL repositioning.