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Objective assessment of anterior segment measurements with optical low-coherence reflectometry and Scheimpflug analysis following intravitreal injection of dexamethasone implant

Poster Details

First Author: S.Akkaya Turhan TURKEY

Co Author(s):    O. Cekic              

Abstract Details

Purpose:

To compare the anterior segment measurements obtained with optical low-coherence reflectometry and Scheimpflug analysis following intravitreal injection of dexamethasone implant.

Setting:

Marmara University Faculty of Medicine, Department of Ophthalmology

Methods:

This study enrolled eleven eyes (5 women, 4 men and median age, 53 years) with branch retinal vein occlusion implanted with dexamethasone implant. Central corneal thickness, anterior chamber depth, pupil diameter, keratometry (K) readings at the steepest meridian (steep K) and the flattest meridian (flat K), corneal astigmatism power, and cylinder axis were measured before and after intravitreal injection using the OLCR device and Scheimpflug analyzer. The degree of agreement between parameters was assessed using Bland-Altman plot analysis.

Results:

Steep K, flat K, corneal astigmatism power, cylinder axis, central corneal thickness, anterior chamber depth, and pupil diameter measurements with the optical low-coherence reflectometry device and Scheimpflug analyzer showed narrow 95% limits of agreement (LoA), which implies good agreement between two measurements.

Conclusions:

Both systems can be used interchangeably for all anterior segment measurements following intravitreal injection of dexamethasone implant.

Financial Disclosure:

NONE

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