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Implications of the Relationship Between Refractive Error and Biometry in the Pathogenesis of Primary Angle Closure

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Abstract
PURPOSE. The purpose of this study was to investigate the relationship between refractive error and ocular biometry and its implication in the pathogenesis of primary angle closure (PAC).

METHODS. We have retrospectively recruited 119 PAC eyes and 388 non-PAC eyes with an axial length (AL) of <= 25.0 mm and a spherical equivalent (SE) of >=-6.0 diopters (D). Stepwise multiple regression was performed for keratometry value (K), AL, anterior chamber depth (ACD), and SE.

RESULTS. PAC eyes were more likely to be in women and have a higher IOP and shorter AL than non-PAC eyes. In a multiple regression analysis, SE was not associated with PAC. The associations between AL and SE or AL and ACD were not different in PAC eyes compared with non-PAC eyes. However, the cornea was flatter in PAC eyes (beta = -0.448, P < 0.001), and a flatter cornea was associated with more hyperopic refraction (beta = -0.454, P < 0.001) and shallower ACD (beta = 0.073, P < 0.001) in PAC eyes. ACD was not associated with SE in non-PAC eyes, but shallower ACD was associated with greater myopic refraction in PAC eyes (beta = 1.117, P = 0.006).

CONCLUSIONS. PAC eyes seem to have flatter cornea compared with non-PAC eyes. A shallower ACD seems to be associated with greater myopic refraction in PAC eyes, but not in non-PAC eyes.
Author(s)
손길환성경림윤주영
Issued Date
2021
Type
Article
Keyword
AgedAnterior Eye Segment / diagnostic imaging*Biometry / methods*FemaleFollow-Up StudiesGlaucomaAngle-Closure / complications*GlaucomaAngle-Closure / physiopathologyHumansMaleRefractionOcular / physiology*RefractiveErrors / etiologyRefractive Errors / physiopathology*Retrospective StudiesVisual Acuity*
DOI
10.1167/iovs.62.10.38
URI
http://oak.ulsan.ac.kr/handle/2021.oak/8095
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_proquest_miscellaneous_2567982627&amp;context=PC&amp;vid=ULSAN&amp;lang=ko_KR&amp;search_scope=default_scope&amp;adaptor=primo_central_multiple_fe&amp;tab=default_tab&amp;query=any,contains,Implications%20of%20the%20Relationship%20Between%20Refractive%20Error%20and%20Biometry%20in%20the%20Pathogenesis%20of%20Primary%20Angle%20Closure&amp;offset=0&amp;pcAvailability=true
Publisher
INVESTIGATIVE OPHTHALMOLOGY VISUAL SCIENCE
Location
미국
Language
영어
ISSN
0146-0404
Citation Volume
62
Citation Number
10
Citation Start Page
0
Citation End Page
0
Appears in Collections:
Medicine > Medicine
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