Document Detail

The Region of Largest β-Zone Parapapillary Atrophy Area Predicts the Location of Most Rapid Visual Field Progression.
MedLine Citation:
PMID:  21885127     Owner:  NLM     Status:  Publisher    
PURPOSE: To determine if visual field (VF) progression occurs most rapidly in the region of largest β-zone parapapillary atrophy (PPA). DESIGN: Retrospective cohort. PARTICIPANTS: One hundred twenty-five patients from the New York Glaucoma Progression Study with both β-zone PPA and VF progression. METHODS: Treated open-angle glaucoma patients with 8 or more Swedish Interactive Threshold Algorithm Standard 24-2 VFs (Humphrey Field Analyzer II; Carl Zeiss Meditec, Inc., Dublin, CA) in either eye were identified. Eyes with optic disc photographs, β-zone PPA, less than 6 diopters myopia, and VF progression were studied. Visual field progression was defined using trend analysis as the presence of at least 2 adjacent progressing points in the same hemifield using standard pointwise linear regression (PLR) criteria. MAIN OUTCOME MEASURES: The correlation between β-zone PPA and location of most rapid future VF progression. RESULTS: One hundred twenty-five eyes (125 patients; mean age, 71.9±12.3 years; 58% women; 75% European descent) with β-zone PPA and VF progression were enrolled. The mean follow-up was 6.8±1.7 years and the mean number of VFs was 12.5±3.6. Ninety-three patients (74%) had more β-zone PPA inferiorly and 32 patients (26%) had more β-zone PPA superiorly. The fastest VF progression occurred in the superior hemifield in 77 patients (62%) and in the inferior hemifield in 48 (38%) patients. Patients with superior VF progression had a superior localized mean rate of progression of -1.57±1.7 dB/year, and patients with inferior VF progression had an inferior localized mean rate of -0.94±1.4 dB/year (P = 0.012). The mean number of points reaching the predefined PLR end points was 5.6±7.5 for the superior VF hemifield and 3.0±4.9 for the inferior hemifield (P = 0.006). The hemifield with more points reaching PLR progression end points, with fastest average velocity of progression, or both was spatially consistent with the location of largest β-zone PPA in 89 (71%) patients (P = 0.0001, Fisher exact test; κ = 0.35; 95% confidence interval, 0.17-0.53). CONCLUSIONS: In treated glaucoma patients with β-zone PPA and VF progression, the location of largest β-zone PPA typically correlates spatially with the region of the most rapid future VF progression. FINANCIAL DISCLOSURE(S): The author(s) have no proprietary or commercial interest in any materials discussed in this article.
Christopher C Teng; Carlos Gustavo De Moraes; Tiago S Prata; Craig A Liebmann; Celso Tello; Robert Ritch; Jeffrey M Liebmann
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-31
Journal Detail:
Title:  Ophthalmology     Volume:  -     ISSN:  1549-4713     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-9-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802443     Medline TA:  Ophthalmology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.
Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York; New York Medical College, Valhalla, New York; New York University School of Medicine, New York, New York.
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