Prevalence of anisometropia and its associated factors in school-age children

Detalhes bibliográficos
Autor(a) principal: Hashemi, Hassan
Data de Publicação: 2024
Outros Autores: Khabazkhoob, Mehdi, Lança, Carla, Emamian, Mohammad Hassan, Fotouhi, Akbar
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.21/17048
Resumo: Shahroud School Children Eye Cohort Study is funded by the Noor Ophthalmology Research Center and Shahroud University of Medical Sciences [Grant Number: 960351].
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spelling Prevalence of anisometropia and its associated factors in school-age childrenOphthalmologyOrthopticsAnisometropiaAxial lengthMyopiaChildrenIranShahroud School Children Eye Cohort Study is funded by the Noor Ophthalmology Research Center and Shahroud University of Medical Sciences [Grant Number: 960351].Purpose: To determine the prevalence of anisometropia and the associated demographic and biometric risk factors in children. Methods: This cross-sectional study was conducted on the elementary school children of Shahroud, east of Iran, in 2015. All rural students were recruited, while multistage cluster sampling was used to select the students in urban areas. All children underwent optometric examinations including the measurement of uncorrected and corrected visual acuity, autorefraction, and subjective refraction with cycloplegia. Biometric components were measured using the Allegro Biograph. Myopia and hyperopia were defined as a spherical equivalent ≤-0.5 and ≥ +2.00 diopter, respectively. Students with a history of ocular trauma or lack of cycloplegic refraction at least in one eye were excluded from the study. Results: Of 6624 selected children, 5620 participated in the study. After applying the exclusion criteria, the data of 5357 students (boys: 52.8%, n = 2834) were analyzed. The mean age of the subjects was 9.2 ± 1.7 years (range: 6-12 years). The prevalence of anisometropia ≥ 1 D was 1.1% (95% CI: 0.8 to 1.4) in all children, 1.0% (95% CI: 0.7-1.3) in boys, 1.3% (95% CI: 0.8-1.7) in girls, 1.1% (95% CI: 0.8-1.4) in urban children, and 1.4% (95% CI: 0.5-2.3) in rural children. The prevalence of anisometropia was 8.8% (95% CI: 5.3-12.2) in myopic and 5.7% (95% CI: 2.8-8.5) in hyperopic children. Axial length asymmetry (OR = 40.9; 95%CI: 10.2-164.1), myopia (OR = 17.9; 95% CI: 9.4-33.9), and hyperopia (OR = 10.1; 95% CI: (5.1-19.7) were associated with anisometropia in multiple logistic regression model. More anisometropia was associated with more severe amblyopia. The odds of amblyopia (OR = 82.3: 38.2-177-3) and strabismus (OR = 17.6: 5.5-56.4) were significantly higher in anisometropic children. The prevalence of amblyopia was 21.7% in children with myopic anisometropia ≥ 3D, 66.7% in children with hyperopic anisometropia ≥ 3D, and 100% in cases with antimetropia ≥ 3D. Conclusion: The prevalence of anisometropia was low in Iranian schoolchildren. However, a high percentage of anisometropic students had amblyopia and strabismus. Axial length was the most important biometric component associated with anisometropia.Taylor & FrancisRCIPLHashemi, HassanKhabazkhoob, MehdiLança, CarlaEmamian, Mohammad HassanFotouhi, Akbar2024-012024-01-01T00:00:00Z2026-02-05T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/17048engHashemi H, Khabazkhoob M, Lança C, Emamian MH, Fotouhi A. Prevalence of anisometropia and its associated factors in school-age children. Strabismus. 2024 January 17. [Online first].10.1080/09273972.2023.2293883info:eu-repo/semantics/embargoedAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-07T02:15:51Zoai:repositorio.ipl.pt:10400.21/17048Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T02:36:40.678287Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Prevalence of anisometropia and its associated factors in school-age children
title Prevalence of anisometropia and its associated factors in school-age children
spellingShingle Prevalence of anisometropia and its associated factors in school-age children
Hashemi, Hassan
Ophthalmology
Orthoptics
Anisometropia
Axial length
Myopia
Children
Iran
title_short Prevalence of anisometropia and its associated factors in school-age children
title_full Prevalence of anisometropia and its associated factors in school-age children
title_fullStr Prevalence of anisometropia and its associated factors in school-age children
title_full_unstemmed Prevalence of anisometropia and its associated factors in school-age children
title_sort Prevalence of anisometropia and its associated factors in school-age children
author Hashemi, Hassan
author_facet Hashemi, Hassan
Khabazkhoob, Mehdi
Lança, Carla
Emamian, Mohammad Hassan
Fotouhi, Akbar
author_role author
author2 Khabazkhoob, Mehdi
Lança, Carla
Emamian, Mohammad Hassan
Fotouhi, Akbar
author2_role author
author
author
author
dc.contributor.none.fl_str_mv RCIPL
dc.contributor.author.fl_str_mv Hashemi, Hassan
Khabazkhoob, Mehdi
Lança, Carla
Emamian, Mohammad Hassan
Fotouhi, Akbar
dc.subject.por.fl_str_mv Ophthalmology
Orthoptics
Anisometropia
Axial length
Myopia
Children
Iran
topic Ophthalmology
Orthoptics
Anisometropia
Axial length
Myopia
Children
Iran
description Shahroud School Children Eye Cohort Study is funded by the Noor Ophthalmology Research Center and Shahroud University of Medical Sciences [Grant Number: 960351].
publishDate 2024
dc.date.none.fl_str_mv 2024-01
2024-01-01T00:00:00Z
2026-02-05T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.21/17048
url http://hdl.handle.net/10400.21/17048
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Hashemi H, Khabazkhoob M, Lança C, Emamian MH, Fotouhi A. Prevalence of anisometropia and its associated factors in school-age children. Strabismus. 2024 January 17. [Online first].
10.1080/09273972.2023.2293883
dc.rights.driver.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis
publisher.none.fl_str_mv Taylor & Francis
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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