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Pseudophakic Angle Closure Due to Vitreous Block Following Ureteroscopic Lithotripsy

Authors Petpiroon P, Suwan Y, Teekhasaenee C, Supakontanasan W

Received 15 October 2020

Accepted for publication 23 December 2020

Published 28 January 2021 Volume 2021:14 Pages 21—24

DOI https://doi.org/10.2147/IMCRJ.S285701

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Purit Petpiroon, Yanin Suwan, Chaiwat Teekhasaenee, Wasu Supakontanasan

Department of Ophthalmology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

Correspondence: Yanin Suwan
Department of Ophthalmology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Tel +66 2-201-2729
Fax +66 2-354-7280
Email yanin.suwan@gmail.com

Background: Here, we describe a patient who exhibited pseudophakic angle closure due to vitreous block following ureteroscopic lithotripsy under general anesthesia.
Case Presentation: A 57-year-old Thai man presented with sudden eye pain and blurring of vision in the left eye following ureteroscopic lithotripsy under general anesthesia. The patient had a history of coconut hit into his left eye which resulted in traumatic anterior lens subluxation, for which he had undergone phacoemulsification and scleral-fixated intraocular lens implantation in the left eye. Prior scleral fixation procedure, anterior vitrectomy was not performed. Clinical examination showed mushroom-shaped vitreous in the anterior chamber with absolute pupillary block, which had resulted in acute angle closure. Thus, topical and oral antiglaucoma medications were administered to achieve normal intraocular pressure in the left eye, followed by laser peripheral iridotomy in that eye. The anterior chamber depth was successfully increased. Limited anterior vitrectomy by a pars plana approach was performed to prevent recurrent angle closure. The patient’s vision improved and his intraocular pressure remained controlled without any antiglaucoma medication.
Conclusion: Vitreous block can occur in patients with pseudophakia, especially in the presence of a ruptured posterior capsule. Cautious intraoperative anterior vitrectomy and surgical iridectomy are warranted. General anesthesia may contribute to the onset of vitreous block in susceptible patients.

Keywords: acute angle closure, pseudophakic angle closure, vitreous block, ultrasound biomicroscopy, anterior segment optical coherence tomography

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