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Arq Bras Oftalmol. 2008 Mar-Apr;71(2):242-5.

[Clinical correlation between structural and functional assessment in glaucoma: Armaly cup to disk ratio and Brusini glaucoma staging system].

[Article in Portuguese]

Author information

1
Setor de Glaucoma da Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, Brasil. drychaves@ig.com.br

Abstract

PURPOSE:

To evaluate the correlation between Armaly's structural systems with Brusini's functional staging in glaucomatous patients.

METHODS:

Seventy-eight eyes of forty-two patients with primary open-angle glaucoma underwent visual field testing with the Humphrey Field Analyzer II (program SITA 24-2) and optic disc evaluation with the 78D Volk lens by two independent observers. Optic disc was stratified according to cup/disc ratio (C/D), from 0.1 to 1.0. Mean deviation (MD) and pattern standard deviation (PSD) values from each eye were plotted on Brusini's staging system to derive a value for glaucoma severity. Both cup/disc ratio and Brusini's values were plotted on a diagram to assess correlation (Spearman's rho correlation coefficient). Armaly's values were logged in a logarithmic figure and the data plotted on a diagram with Brusini's values for each patient.

RESULTS:

Armaly's and Brusini's systems dysplayed a poor correlation (rho=0.340). Both unlogged and logged, Armaly's versus Brusini's plots resulted in a linear and weak correlation.

CONCLUSION:

Despite the weak correlation, Armaly's structural system and Brusini's staging system provided non-independent measures for glaucoma evaluation.

PMID:
18516426
[Indexed for MEDLINE]
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