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Article: Relationship of Axial Length and Retinal Vascular Caliber in Children

TitleRelationship of Axial Length and Retinal Vascular Caliber in Children
Authors
Issue Date2007
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ajo
Citation
American Journal Of Ophthalmology, 2007, v. 144 n. 5, p. 658-662.e1 How to Cite?
AbstractPurpose: Previous studies in older adults suggest that longer axial length is associated with narrower arteriolar caliber. In this study, we re-examined this relationship in a cohort of children, while controlling for the effects of ocular magnification. Design: Cross-sectional study of 767 children aged 7 to 9 years. Methods: Retinal vascular calibers were measured from retinal photographs using a computer-based program. Ocular magnification was corrected using the Bengtsson formula. Standardized examination of refraction and ultrasound ocular biometry was performed for all children. Results: In models that adjusted for age, gender, ethnicity, body mass index, blood pressure, and birth weight, longer axial length was associated strongly with narrower retinal arteriolar caliber (3.18-μm decrease per standard deviation increase in axial length; P < .001) and venular caliber (4.62-μm decrease standard deviation increase in axial length; P < .001) before correction for ocular magnification. However, after correction, these associations no longer were significant (0.44 μm; P = .31, change for arteriolar caliber; and 0.70 μm; P = .25, for venular caliber). Conclusions: Our study in children found no association between axial length and retinal vascular caliber after correcting for ocular magnification, suggesting that the previously reported association was likely related to differences in ocular magnification. © 2007 Elsevier Inc. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/183532
ISSN
2015 Impact Factor: 3.831
2015 SCImago Journal Rankings: 2.803
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCheung, Nen_US
dc.contributor.authorTikellis, Gen_US
dc.contributor.authorSaw, SMen_US
dc.contributor.authorAmirul Islam, FMen_US
dc.contributor.authorMitchell, Pen_US
dc.contributor.authorWang, JJen_US
dc.contributor.authorWong, TYen_US
dc.date.accessioned2013-05-28T06:14:28Z-
dc.date.available2013-05-28T06:14:28Z-
dc.date.issued2007en_US
dc.identifier.citationAmerican Journal Of Ophthalmology, 2007, v. 144 n. 5, p. 658-662.e1en_US
dc.identifier.issn0002-9394en_US
dc.identifier.urihttp://hdl.handle.net/10722/183532-
dc.description.abstractPurpose: Previous studies in older adults suggest that longer axial length is associated with narrower arteriolar caliber. In this study, we re-examined this relationship in a cohort of children, while controlling for the effects of ocular magnification. Design: Cross-sectional study of 767 children aged 7 to 9 years. Methods: Retinal vascular calibers were measured from retinal photographs using a computer-based program. Ocular magnification was corrected using the Bengtsson formula. Standardized examination of refraction and ultrasound ocular biometry was performed for all children. Results: In models that adjusted for age, gender, ethnicity, body mass index, blood pressure, and birth weight, longer axial length was associated strongly with narrower retinal arteriolar caliber (3.18-μm decrease per standard deviation increase in axial length; P < .001) and venular caliber (4.62-μm decrease standard deviation increase in axial length; P < .001) before correction for ocular magnification. However, after correction, these associations no longer were significant (0.44 μm; P = .31, change for arteriolar caliber; and 0.70 μm; P = .25, for venular caliber). Conclusions: Our study in children found no association between axial length and retinal vascular caliber after correcting for ocular magnification, suggesting that the previously reported association was likely related to differences in ocular magnification. © 2007 Elsevier Inc. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ajoen_US
dc.relation.ispartofAmerican Journal of Ophthalmologyen_US
dc.subject.meshAge Factorsen_US
dc.subject.meshAnthropometryen_US
dc.subject.meshBiometryen_US
dc.subject.meshBirth Weighten_US
dc.subject.meshBlood Pressureen_US
dc.subject.meshBody Mass Indexen_US
dc.subject.meshChilden_US
dc.subject.meshCross-Sectional Studiesen_US
dc.subject.meshEthnic Groupsen_US
dc.subject.meshEye - Anatomy & Histology - Ultrasonographyen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshImage Processing, Computer-Assisteden_US
dc.subject.meshMaleen_US
dc.subject.meshPhotographyen_US
dc.subject.meshRetinal Artery - Anatomy & Histologyen_US
dc.subject.meshSex Factorsen_US
dc.titleRelationship of Axial Length and Retinal Vascular Caliber in Childrenen_US
dc.typeArticleen_US
dc.identifier.emailCheung, N: dannycheung@hotmail.comen_US
dc.identifier.authorityCheung, N=rp01752en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ajo.2007.07.023en_US
dc.identifier.pmid17869206-
dc.identifier.scopuseid_2-s2.0-35448988928en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-35448988928&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume144en_US
dc.identifier.issue5en_US
dc.identifier.spage658en_US
dc.identifier.epage662.e1en_US
dc.identifier.isiWOS:000250811100004-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridCheung, N=8054683900en_US
dc.identifier.scopusauthoridTikellis, G=6602765289en_US
dc.identifier.scopusauthoridSaw, SM=7006402006en_US
dc.identifier.scopusauthoridAmirul Islam, FM=6508035839en_US
dc.identifier.scopusauthoridMitchell, P=7402933815en_US
dc.identifier.scopusauthoridWang, JJ=55664024800en_US
dc.identifier.scopusauthoridWong, TY=7403531208en_US

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