ISSN: 2459 - 1777 | E-ISSN 2587-0394
Volume: 4
Issue: 1
Year: 2019
Anterior Segment Optic Coherence Tomography Changes Before and After Phacoemulsification in Primary Open Angle Glaucoma [Beyoglu Eye J]
Beyoglu Eye J. Ahead of Print: BEJ-39306 | DOI: 10.14744/bej.2019.39306  

Anterior Segment Optic Coherence Tomography Changes Before and After Phacoemulsification in Primary Open Angle Glaucoma

Sibel Zırtıloğlu, Ozen Ayrancı Osmanbasoglu, tulay alpar akcetin, Yeliz Acar, MUSTAFA SUAT ALIKMA, erkan unsal, Kadir Eltutar
Department Of Ophthalmology, Istanbul Training And Research Hospital, İstanbul

INTRODUCTION: To compare values like anterior chamber angle, the thickness of iris, the thickness of the cornea, angle-opening distances of eyes with primary open-angle glaucoma; before and after phacoemulsification with intraocular lens implantation, which are measured by anterior segment optic coherence tomography.
METHODS: 49 eyes of 39 patients, who have visited Cataract and Refractive Surgery Unit of Ophthalmology Clinic of Istanbul Education and Research Hospital between December 2014 and May 2016, are included in our study. All patients have been examined with anterior segment optic coherence tomography. All preoperative and postoperative data have been evaluated statistically with Paired-t and Wilcoxon test. Statistical significance level of alpha was accepted as p<0.05.
RESULTS: Anterior segment optic coherence tomography measurements of 39 patients (22 women and 17 men) with primary open-angle glaucoma, included in the study. Median age of total population was 67±8years. No statistically significant differences between preoperative and postoperative measurements of corneal thickness were found (p=0.480). Before and after the operation, difference between measurements of anterior chamber angle, angle opening distance (500μm and 750μm), thickness of iris curvature, anterior chamber depth, and trabecular-iris space area was of statistical significance (p<0.001). Intraocular pressure levels decreased significantly in the first and third months after surgery IOP value was decreased (respectively) p= 0.019, p=0.003)
DISCUSSION AND CONCLUSION: After phacoemulsification and intraocular lens implantation in patients with glaucoma, anterior chamber deepens and angle units widen. As a result, intra-ocular pressure decreases which make control of intra-ocular pressure easier.

Keywords: anterior chamber OCT, anterior opening distance, cataract, phacoemulsification, primary open-angle glaucoma

Corresponding Author: Sibel Zırtıloğlu, Türkiye

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