$Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study$
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Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study

Yasir Jawad Kadhim,1 Qasim K Farhood2 1Ibn Al Haitham Teaching Eye Hospital, Baghdad, 2Department of Ophthalmology, College of Medicine, University of Babylon, Babylon, Iraq Background: Central corneal thickness (CCT) is an important indicator of corneal status. Its measurement provides valid info...

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Autores principales:	Kadhim YJ, Farhood QK
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2016
Materias:	CCT age ultrasound pachymeter gender refractive errors corneal curvature Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/d9f0c88699cc4e99b75218d4f4a763fd
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spelling	oai:doaj.org-article:d9f0c88699cc4e99b75218d4f4a763fd2021-12-02T06:56:31ZCentral corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study1177-5483https://doaj.org/article/d9f0c88699cc4e99b75218d4f4a763fd2016-11-01T00:00:00Zhttps://www.dovepress.com/central-corneal-thickness-of-iraqi-population-in-relation-to-age-gende-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Yasir Jawad Kadhim,1 Qasim K Farhood2 1Ibn Al Haitham Teaching Eye Hospital, Baghdad, 2Department of Ophthalmology, College of Medicine, University of Babylon, Babylon, Iraq Background: Central corneal thickness (CCT) is an important indicator of corneal status. Its measurement provides valid information about corneal physiological condition and possible changes associated with diseases, traumas, and hypoxia. It is an integral part for interpretation of intraocular pressure and glaucoma patient management and in prerefractive procedure assessment. Objective: The aim of this study is to determine the mean CCT among a normal Iraqi population and to correlate between CCT and age, gender, refraction, and corneal curvature. Patients and methods: This cross-sectional study was carried out at Ibn Al-Haitham Teaching Eye Hospital. A total of 418 eyes from 209 healthy individuals with an age range from 20 to 75 years were studied. CCT was measured by ultrasound pachymeter. Refraction was measured using an auto-refractor and confirmed by trial lenses and retinoscopy to calculate the spherical equivalent. Corneal curvature was measured using an auto-refracto-keratometer to calculate the average corneal curvature (AVK). Results: The mean CCT was 543.95±32.58 µm with a range from 422 to 636 µm. CCT was not affected by gender. CCT significantly negatively correlated with age and AVK. CCT significantly positively correlated with the spherical equivalence. Conclusion and recommendation: Among an Iraqi population, CCT significantly decreased with age. Myopics had significantly thinner corneas. There was weak but significant negative correlation between CCT and corneal curvature. We recommend further studies about the relationship between central corneal thickness and other ocular parameters in Iraqi population such as the axial length. Keywords: CCT, age, ultrasound pachymeter, gender, refractive errors, corneal curvatureKadhim YJFarhood QKDove Medical PressarticleCCTageultrasound pachymetergenderrefractive errorscorneal curvatureOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 10, Pp 2369-2376 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	CCT age ultrasound pachymeter gender refractive errors corneal curvature Ophthalmology RE1-994
spellingShingle	CCT age ultrasound pachymeter gender refractive errors corneal curvature Ophthalmology RE1-994 Kadhim YJ Farhood QK Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
description	Yasir Jawad Kadhim,1 Qasim K Farhood2 1Ibn Al Haitham Teaching Eye Hospital, Baghdad, 2Department of Ophthalmology, College of Medicine, University of Babylon, Babylon, Iraq Background: Central corneal thickness (CCT) is an important indicator of corneal status. Its measurement provides valid information about corneal physiological condition and possible changes associated with diseases, traumas, and hypoxia. It is an integral part for interpretation of intraocular pressure and glaucoma patient management and in prerefractive procedure assessment. Objective: The aim of this study is to determine the mean CCT among a normal Iraqi population and to correlate between CCT and age, gender, refraction, and corneal curvature. Patients and methods: This cross-sectional study was carried out at Ibn Al-Haitham Teaching Eye Hospital. A total of 418 eyes from 209 healthy individuals with an age range from 20 to 75 years were studied. CCT was measured by ultrasound pachymeter. Refraction was measured using an auto-refractor and confirmed by trial lenses and retinoscopy to calculate the spherical equivalent. Corneal curvature was measured using an auto-refracto-keratometer to calculate the average corneal curvature (AVK). Results: The mean CCT was 543.95±32.58 µm with a range from 422 to 636 µm. CCT was not affected by gender. CCT significantly negatively correlated with age and AVK. CCT significantly positively correlated with the spherical equivalence. Conclusion and recommendation: Among an Iraqi population, CCT significantly decreased with age. Myopics had significantly thinner corneas. There was weak but significant negative correlation between CCT and corneal curvature. We recommend further studies about the relationship between central corneal thickness and other ocular parameters in Iraqi population such as the axial length. Keywords: CCT, age, ultrasound pachymeter, gender, refractive errors, corneal curvature
format	article
author	Kadhim YJ Farhood QK
author_facet	Kadhim YJ Farhood QK
author_sort	Kadhim YJ
title	Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
title_short	Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
title_full	Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
title_fullStr	Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
title_full_unstemmed	Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
title_sort	central corneal thickness of iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study
publisher	Dove Medical Press
publishDate	2016
url	https://doaj.org/article/d9f0c88699cc4e99b75218d4f4a763fd
work_keys_str_mv	AT kadhimyj centralcornealthicknessofiraqipopulationinrelationtoagegenderrefractiveerrorsandcornealcurvatureahospitalbasedcrosssectionalstudy AT farhoodqk centralcornealthicknessofiraqipopulationinrelationtoagegenderrefractiveerrorsandcornealcurvatureahospitalbasedcrosssectionalstudy
_version_	1718399722803167232

Central corneal thickness of Iraqi population in relation to age, gender, refractive errors, and corneal curvature: a hospital-based cross-sectional study

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