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Anterior chamber angle in aniridia with and without glaucoma

Authors Bajwa A, Burstein E, Grainger RM, Netland PA

Received 31 May 2019

Accepted for publication 12 July 2019

Published 6 August 2019 Volume 2019:13 Pages 1469—1473

DOI https://doi.org/10.2147/OPTH.S217930

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Asima Bajwa,1 Eitan Burstein,1 Robert M Grainger,1,2 Peter A Netland1

1Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA, USA; 2Department of Biology, University of Virginia, Charlottesville, VA, USA

Purpose: We performed a retrospective, comparative study to determine if patients with aniridia and glaucoma had open angles on high-resolution anterior segment optical coherence tomography (OCT) and clinical gonioscopy.
Patients and methods: Forty-three patients (86 eyes) with aniridia had recorded anterior segment OCTs, gonioscopy, or both. Of these patients, 27 (54 eyes) were diagnosed with glaucoma and 16 (32 eyes) had no evidence of glaucoma. All patients had either anterior segment OCT, gonioscopy, or both.
Results: The 43 patients with aniridia had average age of 32±17 years, and 27 (62%) were female. Anterior segment OCT and gonioscopy were recorded in 25 (58%) of the patients and 18 (42%) of the patients had gonioscopy alone. Of the 54 eyes with aniridia and glaucoma, 4 (7%) eyes in 3 patients (11%) had partial or completely closed angles. Of the 32 eyes without glaucoma, all (100%) had open angles. The proportion of open angles in the aniridia with glaucoma eyes was not significantly different compared with the aniridia without glaucoma eyes (P=0.32). Of the 4 eyes with closed angles, all had a history of prior surgery for cataract, glaucoma, and/or keratopathy. The proportion of eyes with prior surgery was significantly higher in eyes with open-angle glaucoma and angle-closure glaucoma compared with eyes without glaucoma (P<0.001 and P=0.002, respectively).
Conclusion: The majority of eyes with aniridia and glaucoma have open anterior chamber angles, similar to patients with aniridia without glaucoma. All eyes with aniridia and glaucoma that had closed angles had a prior history of ocular surgery.

Keywords: aniridia, glaucoma, anterior segment optical coherence tomography (OCT), gonioscopy


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