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Title: Structure-Function Relationship in Glaucoma Using Spectral-Domain Optical Coherence Tomography
Authors: Rao, Harsha L.
Zangwill, Linda M.
Weinreb, Robert N.
Leite, Mauro Toledo [UNIFESP]
Sample, Pamela A.
Medeiros, Felipe Andrade [UNIFESP]
Univ Calif San Diego
LV Prasad Eye Inst
Universidade Federal de São Paulo (UNIFESP)
Issue Date: 1-Jul-2011
Publisher: Amer Medical Assoc
Citation: Archives Of Ophthalmology. Chicago: Amer Medical Assoc, v. 129, n. 7, p. 864-871, 2011.
Abstract: Objectives: To determine the structure-function relationship in glaucoma using spectral-domain optical coherence tomography (SDOCT)-derived structural measurements and to evaluate this relationship using a linear model.Methods: In a cross-sectional study, structure-function relationships were determined for all the participants in the DIGS (Diagnostic Innovations in Glaucoma Study) and the ADAGES (African Descent and Glaucoma Evaluation Study) who had undergone standard automated perimetry (SAP) and SDOCT within 6 months of each other. Strength of relationship was reported as coefficient of determination (R(2)). The relationship was also evaluated using a previously described linear model.Results: The results of 579 SAP and SDOCT examinations from 80 eyes of 47 control subjects, 199 eyes of 130 patients with suspected glaucoma, and 213 eyes of 146 patients with glaucoma were analyzed. The R(2) for the association between SAP total deviation and SDOCT variables ranged from 0.01 (P=.02) for the nasal rim area to 0.30 (P=.001) for inferior inner retinal thickness at the macula. The linear model fitted the data well.Conclusions: The strongest structure-function associations using SDOCT were found for retinal nerve fiber layer measurements at arcuate areas and inner retinal thickness at the macula measurements. The linear model is useful in studying the structure-function relationship in glaucoma.
ISSN: 0003-9950
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Appears in Collections:Artigo

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