Abstract
AIM: To describe a technique of managing intraocular lens (IOL) with deep dislocation in the vitreous cavity by performing pars plana vitrectomy (PPV) with only one pars plana incision under the direct illumination of the surgical microscope. METHODS: Patients who had in-the-bag or out-of-the-bag (spontaneous) IOL dislocation after uneventful phacoemulsification cataract extractions, with the dislocated IOL or IOL-capsular bag complex dropping completely into the vitreous since 2013 were included in our studies. The postoperative patients were followed up for 6mo. Detailed description of technique and retrospective description of eight typical cases were demonstrated in this study. RESULTS: A total of 40 surgeries were conducted using this technique. The main possible predisposing conditions included: post-vitrectomy, posterior capsule rupture or broken zonules, a history of ocular trauma, long axial length, secondary IOL implantation, chronic uveitis, retinitis pigmentosa and post-glaucoma surgery. In all eyes, the IOLs were successfully removed. No intraoperative or postoperative complications related to the procedures occurred. The preoperative corrected distance visual acuity (CDVA) ranged from 20/133 to 20/25, and at 6mo postoperatively, the CDVA was similar or the same. The intraocular pressure was all within the normal range. CONCLUSION: One-port PPV under direct vision with microscope illumination is a simple and safe surgical technique to managing IOL dislocation, which shortens the surgical time, and largely avoids surgical complications.
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