Evaluation of Optical Low Coherence Reflectometry Parameters in Patients with Exfoliation Syndrome.

Emrullah Beyazyıldız,Süleyman Günaydın,Özlem Beyazyıldız,Faruk Öztürk,Pelin Yılmazbaş,Emrah Kan,Mert Şimşek

doi:10.1155/2015/658091

Abstract

Purpose. To evaluate optical low coherence reflectometry (OLCR) parameters in patients with exfoliation syndrome (EXS) undergoing cataract surgery. Methods. Forty-seven eyes of 47 patients with EXS (Group 1), and 55 eyes of 55 healthy subjects (Group 2) were included in the study. Anterior chamber depth (ACD), lens thickness (LT), axial length (AL), central corneal thickness (CCT), horizontal corneal length (HCL), and pupil diameter (PD) parameters were measured by OLCR (Lenstar LS 900, Haag-Streit) and compared between groups. Shapiro-Wilk test and Mann Whitney U tests were used for statistical analyses. Results. The mean ACD, HCL, and PD values were significantly lower in EXS group than in healthy subjects (P = 0.01, P = 0.04, and P < 0.001, resp.). The mean LT was significantly higher in EXS group than in healthy subjects (P = 0.007). There was no significant difference between groups in means of AXL and CCT. Conclusions. According to OLCR measures, eyes with EXS have shallower ACD, smaller PD, thicker LT, shorter HCL, and no significantly different CCT levels.

Highlights

Exfoliation syndrome (EXS) is a systemic disease associated with the accumulation of microfibrillar materials on systemic and ocular tissues [1]
Female/male ratio was similar in both groups (P = 0.61)
There was no significant difference between groups regarding intraocular pressure (IOP) and BCVA (P = 0.20 and P = 0.43, resp.) Table 1

Summary

Introduction

Exfoliation syndrome (EXS) is a systemic disease associated with the accumulation of microfibrillar materials on systemic and ocular tissues [1]. EXS may accumulate diffusely in anterior segment of the eye and may be a risk factor for complications in cataract surgery. The most important risk factor for vitreous loss during cataract surgery is small pupil size, zonular weakness, and brittle lens capsule [2, 3]. Evaluation of anterior segment parameters is essential in refractive surgeries and accurate measurements are needed to obtain satisfactory postoperative results. New optical low coherence reflectometry (OLCR) Lenstar LS 900 (Haag-Streit) is able to measure anterior chamber depth (ACD), lens thickness (LT), axial length (AL), central corneal thickness (CCT), horizontal corneal length (HCL), and pupil diameter (PD). The aim of this study was to evaluate OLCR parameters of eyes with EXS eyes undergoing cataract surgery for accurate measurements for obtaining good postoperative results

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Methods

Results

Conclusion