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23-gauge pars plana vitrectomy for management of posteriorly dislocated crystalline lens

Authors Cho M, Chan RVP

Published 8 December 2011 Volume 2011:5 Pages 1737—1743

DOI https://doi.org/10.2147/OPTH.S22331

Review by Single-blind

Peer reviewer comments 3


Minhee Cho, RV Paul Chan
Weill Cornell Medical College, Department of Ophthalmology, New York, NY, USA

Purpose: Management of posteriorly dislocated crystalline lens has traditionally been performed with a standard 20-gauge vitrectomy system. This study demonstrates the use of a 23-gauge vitrectomy system for removal of retained lens fragments secondary to spontaneous dislocation or complicated cataract extraction.
Methods: A retrospective, noncomparative, interventional consecutive case series at a single university medical center.
Results: Fourteen eyes of 14 patients underwent a 23-gauge vitrectomy for removal of retained lens. Mean age was 75 years. Mean logMAR (logarithm of minimum angle of resolution) visual acuity was 1.47 (Snellen equivalent 20/600) preoperatively and 0.37 (Snellen equivalent 20/50) postoperatively. A 20-gauge fragmatome was used in 64% of cases. The mean time to the best post-vitrectomy acuity was 4.9 weeks. The mean healing time was 25 days (6–48 days). Post-vitrectomy complications included choroidal detachment (two patients), vitreous hemorrhage (two patients), and acute ocular hypertension (two patients). The mean length of follow-up was 6.2 months (1–13 months).
Conclusion: A 23-gauge vitrectomy system alone or in combination with the 20-gauge fragmatome is a safe and efficacious option for removal of dense posteriorly dislocated crystalline lens material.

Keywords: lensectomy, retained lens, PPV

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