Korean J Ophthalmol > Volume 18(1); 2004 > Article
Korean Journal of Ophthalmology 2004;18(1):1-8.
DOI: https://doi.org/10.3341/kjo.2004.18.1.1    Published online June 30, 2004.
Ability of Scanning Laser Polarimetry (GDx) to Discriminate among Early Glaucomatous, Ocular Hypertensive and Normal Eyes in the Korean Population.
Sun Young Lee, Dong Wook Ha, Michael S Kook
1Department of Ophthalmology, University of Ulsan, College of Medicine, Asan Medical Center, Korea.
2Dr. Ha's Eye Clinic, Seoul, Korea.
Abstract
We investigated the ability of the GDx-Nerve Fiber Analyzer (NFA) to discriminate between normal and early glaucomatous eyes among Korean individuals by reviewing the medical records of 217 consecutive subjects: 61 early glaucoma patients, 68 ocular hypertensive patients, and 88 normal subjects. GDx parameters were compared using ANOVA. The Receiver Operating Characteristics (ROC) curve for each GDx-NFA variable was used to diagnose each parameter, and Pearson correlation coefficients were calculated to assess the association between GDx-NFA parameters and visual field indices in early glaucoma. The best GDx parameters to discriminate between early glaucomatous and normal subjects were the number, maximum modulation, ellipse modulation and inferior ratio (i.e. area under the ROC curve > 0.8). A value for the Number of equal to or greater than 27 was optimal for detecting early glaucoma, with a sensitivity of 80.3% and specificity of 80.7%. In addition, symmetry was positively correlated with the corrected pattern standard deviation (CPSD) among visual field indices in early glaucoma.
Key Words: early glaucoma;GDx-NFA parameters;ocular hypertension;ROC curve
TOOLS
METRICS Graph View
  • 7 Crossref
  • 4 Scopus
  • 1,166 View
  • 6 Download
Related articles


ABOUT
BROWSE ARTICLES
EDITORIAL POLICY
FOR CONTRIBUTORS
Editorial Office
SKY 1004 Building #701
50-1 Jungnim-ro, Jung-gu, Seoul 04508, Korea
Tel: +82-2-583-6520    Fax: +82-2-583-6521    E-mail: kos@ophthalmology.org                

Copyright © 2024 by Korean Ophthalmological Society.

Developed in M2PI

Close layer
prev next