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Combined Phacovitrectomy with Metallic Intraocular Foreign Body Removal through Corneal Incision Using a Novel "Magnetic Conduction" Technique.

PURPOSE To describe a "magnetic conduction" technique for the removal of metallic intraocular foreign bodies (IOFBs) in the posterior segment combined with cataract extraction and pars plana vitrectomy (PPV) and… Click to show full abstract

PURPOSE To describe a "magnetic conduction" technique for the removal of metallic intraocular foreign bodies (IOFBs) in the posterior segment combined with cataract extraction and pars plana vitrectomy (PPV) and to report its outcomes. METHODS We retrospectively analyzed the data of 42 eyes of 42 patients with posterior metallic IOFBs between April 2020 and February 2022. In all patients, cataract extraction was combined with PPV. With an external magnet, the IOFBs were captured by a magnetized vitrectomy cutter, delivered to the anterior chamber, and then extracted through a corneal phacoemulsification incision. RESULTS All patients were males with a mean age of 45.6 ± 10.7 years. The mean size of the IOFBs was 3.5±1.7 mm (range, 1.5-8.9 mm) in their longest dimension. A final best-corrected visual acuity (BCVA) of 20/200 or better was noted in 24 (57.1%) of 42 patients. Postoperatively, recurrent RD was seen in 3 eyes. There were no other intraoperative or postoperative complications. CONCLUSIONS The "magnetic conduction" technique combined with phacovitrectomy is a safe and feasible approach to removing IOFBs in the posterior segment.

Keywords: metallic intraocular; conduction technique; magnetic conduction; intraocular foreign

Journal Title: Retina
Year Published: 2022

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