Keratoconus Screening Among Myopic Children

Ismail Ahmed Nagib Omar Ophthalmology Department, Faculty of Medicine, Minia University, El-Minya, EgyptCorrespondence: Ismail Ahmed Nagib OmarOphthalmology Department, Faculty of Medicine, Minia University, El-Minya 61111, EgyptTel +20 100 255 4116Email ismail.omar@mu.edu.egAim: To assess the topog...

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Autor principal:	Omar IAN
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	myopia keratoconus children. Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/78850cf1ee1348aaa9c11ff790407923
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spelling	oai:doaj.org-article:78850cf1ee1348aaa9c11ff7904079232021-12-02T03:41:17ZKeratoconus Screening Among Myopic Children1177-5483https://doaj.org/article/78850cf1ee1348aaa9c11ff7904079232019-09-01T00:00:00Zhttps://www.dovepress.com/keratoconus-screening-among-myopic-children-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Ismail Ahmed Nagib Omar Ophthalmology Department, Faculty of Medicine, Minia University, El-Minya, EgyptCorrespondence: Ismail Ahmed Nagib OmarOphthalmology Department, Faculty of Medicine, Minia University, El-Minya 61111, EgyptTel +20 100 255 4116Email ismail.omar@mu.edu.egAim: To assess the topographic corneal changes and the incidence of keratoconus among children with high myopia.Settings: It is a prospective study, in which 174 eyes of children with high myopia were studied in the period between August 2015 and June 2018.Methods: All patients were examined to assess the refractive error and corneal examination using Scheimpflug camera to evaluate different corneal parameters.Results: Studied children aged between 6 and 14 years (11.05±1.98). Males represented 54% of the cases (n=94). The mean spherical error was −7.75±2.97 ranging from −6 to −13.50D. The mean cylindrical error was −4.12±1.78D (−1 to −8). Regarding corneal examination, data recorded were those about maximum K reading (kmax), thinnest location, highest anterior and posterior elevation in 4mm zone, and higher-order corneal aberrations. Analysis of the obtained data revealed 16 eyes (9.2%) with keratoconus. These eyes were considered as a separate group and compared with the remaining eyes. There was significant difference in kmax (p= 0.03), anterior elevation, and posterior elevation (p=0.01 for both). Regarding myopia or astigmatism, there were no significant differences when compared with normal eyes. But high myopia with low astigmatism were found in five eyes of them (31.2%). The main statistically different aberrations were vertical coma (−2.04±0.99) (p=0.01) and spherical aberrations (−0.9±0.78) (p=0.02). Regarding gender, there were 11 eyes in boys (68.7%), and this was statistically significant (p=0.01). Vernal keratoconjunctivitis with frequent eye rubbing was found in 6 eyes (37.5%).Conclusion: Children with high myopia irrespective of the degree of astigmatism may have corneal abnormalities which are more pronounced in cases with vernal keratoconjunctivitis. Corneal examination should be performed for highly myopic children to detect any corneal abnormality and to treat it as early as possible.Keywords: myopia, keratoconus, childrenOmar IANDove Medical Pressarticlemyopiakeratoconuschildren.OphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 13, Pp 1909-1912 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	myopia keratoconus children. Ophthalmology RE1-994
spellingShingle	myopia keratoconus children. Ophthalmology RE1-994 Omar IAN Keratoconus Screening Among Myopic Children
description	Ismail Ahmed Nagib Omar Ophthalmology Department, Faculty of Medicine, Minia University, El-Minya, EgyptCorrespondence: Ismail Ahmed Nagib OmarOphthalmology Department, Faculty of Medicine, Minia University, El-Minya 61111, EgyptTel +20 100 255 4116Email ismail.omar@mu.edu.egAim: To assess the topographic corneal changes and the incidence of keratoconus among children with high myopia.Settings: It is a prospective study, in which 174 eyes of children with high myopia were studied in the period between August 2015 and June 2018.Methods: All patients were examined to assess the refractive error and corneal examination using Scheimpflug camera to evaluate different corneal parameters.Results: Studied children aged between 6 and 14 years (11.05±1.98). Males represented 54% of the cases (n=94). The mean spherical error was −7.75±2.97 ranging from −6 to −13.50D. The mean cylindrical error was −4.12±1.78D (−1 to −8). Regarding corneal examination, data recorded were those about maximum K reading (kmax), thinnest location, highest anterior and posterior elevation in 4mm zone, and higher-order corneal aberrations. Analysis of the obtained data revealed 16 eyes (9.2%) with keratoconus. These eyes were considered as a separate group and compared with the remaining eyes. There was significant difference in kmax (p= 0.03), anterior elevation, and posterior elevation (p=0.01 for both). Regarding myopia or astigmatism, there were no significant differences when compared with normal eyes. But high myopia with low astigmatism were found in five eyes of them (31.2%). The main statistically different aberrations were vertical coma (−2.04±0.99) (p=0.01) and spherical aberrations (−0.9±0.78) (p=0.02). Regarding gender, there were 11 eyes in boys (68.7%), and this was statistically significant (p=0.01). Vernal keratoconjunctivitis with frequent eye rubbing was found in 6 eyes (37.5%).Conclusion: Children with high myopia irrespective of the degree of astigmatism may have corneal abnormalities which are more pronounced in cases with vernal keratoconjunctivitis. Corneal examination should be performed for highly myopic children to detect any corneal abnormality and to treat it as early as possible.Keywords: myopia, keratoconus, children
format	article
author	Omar IAN
author_facet	Omar IAN
author_sort	Omar IAN
title	Keratoconus Screening Among Myopic Children
title_short	Keratoconus Screening Among Myopic Children
title_full	Keratoconus Screening Among Myopic Children
title_fullStr	Keratoconus Screening Among Myopic Children
title_full_unstemmed	Keratoconus Screening Among Myopic Children
title_sort	keratoconus screening among myopic children
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/78850cf1ee1348aaa9c11ff790407923
work_keys_str_mv	AT omarian keratoconusscreeningamongmyopicchildren
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Keratoconus Screening Among Myopic Children

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