The Open Ophthalmology Journal




ISSN: 1874-3641 ― Volume 13, 2019
RESEARCH ARTICLE

Anterior Segment Optical Coherence Tomography Analysis of Iris Morphometric Changes Induced by Prostaglandin Analogues Treatment in Patients with Primary Open Angle Glaucoma or Ocular Hypertension



R Mancino1, *, E Di Carlo1, D Napoli1, A Martucci 1, A Mauro2, Sorge RP3, M Cesareo 1, C Nucci1
1 Ophthalmology Unit, Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
2 Department of Ophthalmology, “San Giovanni Evangelista” Hospital, Tivoli (RM), Italy
3 Laboratory of Biometry, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy

Abstract

Background:

The study aimed to evaluate iris thickness changes in patients with Primary Open Angle Glaucoma (POAG) or Ocular Hypertension (OHT) under treatment with Prostaglandin Analogues (PG).

Objectives:

Primary outcome measures were iris thickness at the region of Dilator Muscle Region (DMR) and Sphincter Muscle Region (SMR). DMR/SMR ratio was also evaluated. The secondary outcome was the correlation between PG treatment length and iris parameters.

Methods:

The charts of patients with POAG or OHT who underwent Visante OCT were retrospectively selected. The patients were divided in a group using PG for at least 6 months and a group using hypotensive drops not including PG or alpha-adrenergic agonists. A third group included healthy subjects.

Result:

98 subjects were selected. Patients with POAG or OHT using PG eyedrops showed a significant iris thickness reduction at DMR compared to healthy subjects and to patients using hypotensive eyedrops not containing PG. Significantly higher SMR thickness values were found in PG group compared to both control groups. DMR/SMR ratio significantly reduced in PG group. No correlation was found between PG treatment length and iris parameters.

Conclusion:

The present data indicate that PG treatment induced DMR thickness reduction and an increase in SMR thickness. These changes were not related to the duration of PG exposure.

Keywords: Prostaglandin analogues, Ocular Hypertension, Glaucoma, Visante OCT, Iris thickness, Dilator and sphincter muscle region..


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 110
Last Page: 120
Publisher Id: TOOPHTJ-12-110
DOI: 10.2174/1874364101812010110

Article History:

Received Date: 25/3/2018
Revision Received Date: 3/5/2018
Acceptance Date: 4/6/2018
Electronic publication date: 29/06/2018
Collection year: 2018

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© 2018 Mancino et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Ophthalmology Unit, Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Via Montpelier 1, 00133, Rome, Italy, Tel: +390620903572, Fax: +390620903571; E-mail: emi.dicarlo@hotmail.it


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