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Abstract #5208 Published in IGR 1-2
Correlation of functional and structural measurements in eyes suspected of having glaucoma
Polo V; Larrosa JM; Pablo LE; Pinilla I; Honrubia FMJournal of Glaucoma 1999; 8: 172-176
PURPOSE: This study was conducted to determine the correlation between structural changes in the retinal nerve fiber layer (RNFL) and functional loss detected on short-wavelength automated perimetry (SWAP) in a population of patients with suspected glaucoma. METHODS: With a selection criteria of intraocular pressure (IOP) of more than 21 mmHg and normal results of conventional automated perimetry, 49 eyes of 49 patients with ocular hypertension were enrolled in the study. SWAP was performed with a modified Humphrey field analyzer, and visual field indexes (mean deviation (MD), corrected pattern standard deviation (CPSD)) were calculated. Semiquantitative RNFL scores were given separately to diffuse and localized defects of the RNFL. RESULTS: The MD increased significantly with higher diffuse and total RNFL scores, with good correlation coefficients. A weak correlation was found between CPSD and diffuse, total, and localized RNFL scores. CONCLUSION: Diffuse RNFL losses are associated with abnormalities in visual field indexes (MD), whereas focal structural damage showed no correlation with visual field loss.
V. Polo, Avda. Cesar Augusto, 30 7? F, 5004 Zaragoza; Spain
Classification:
2.13 Retina and retinal nerve fibre layer (Part of: 2 Anatomical structures in glaucoma)
6.6.3 Special methods (e.g. color, contrast, SWAP etc.) (Part of: 6 Clinical examination methods > 6.6 Visual field examination and other visual function tests)
6.8.2 Posterior segment (Part of: 6 Clinical examination methods > 6.8 Photography)
