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Corresponding Author

Farid, Ahmad

Document Type

Original Article

Abstract

ABSTRACT Background; Central corneal thickness (CCT) measurements are important for determining intraocular pressure (IOP), examining corneal endothelium activity, and assessing patients before and after refractive surgery . Contact and non-contact techniques can be used to assess CCT, Aim and objectives: in individuals with healthy corneas, CCT values taken with three distinct devices: noncontact specular microscope, anterior segment optical coherence tomography (AS-OCT), and pentacam, Subjects and methods; This is observational prospective cross-sectional study, done at the outpatient clinics of Al-Azhar University hospitals on 100 healthy eyes, Result: Regarding correlation between CCT measured by Pentacam and CCT assessed by AS-OCT and Specular microscopy. There was high positive important correlation between CCT assessed by Pentacam and CCT assessed by AS-OCT (r=0.887, p < 0.001) & Specular microscopy (r=0.863,p < 0.001), Conclusion; in normal eyes, the mentioned devices have a good correlation. Because there was statistically significant variance, they cannot be utilized interchangeably.Ultrasonic pachmetry is recommended for cases with borderline pentacam pachymetric readings,

Keywords

CCT; pentacam; AS-OCT; NCSM; pachymery

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