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Published in: Graefe's Archive for Clinical and Experimental Ophthalmology 9/2018

01-09-2018 | Glaucoma

Prevalence of glaucoma in Germany: results from the Gutenberg Health Study

Authors: René Höhn, Stefan Nickels, Alexander K. Schuster, Philipp S. Wild, Thomas Münzel, Karl J. Lackner, Irene Schmidtmann, Manfred Beutel, Norbert Pfeiffer

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 9/2018

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Abstract

Purpose

To determine the prevalence of glaucoma according to the International Society for Geographical and Epidemiological Ophthalmology (ISGEO) classification in an adult German cohort.

Methods

The Gutenberg Health Study is a population-based, prospective cohort study in the Rhine-Main Region in mid-western Germany with a total of 15,010 participants. In this study, the first 5000 subjects with an age range between 35 and 74 years were included. Optic disk pictures were obtained by a non-mydriatic fundus camera (Visucam™) and analyzed using the Visupac™ software. Glaucoma prevalence was determined in two steps. First, the ISGEO classification was applied using “hypernormal subjects” (normal visual field) as reference. In the second analysis, we additionally considered the disk area (DA) in relation to the vertical cup-to-disk ratio by quantile regression. All results are given as weighted numbers for the population of Mainz/Bingen.

Results

The prevalence of definite glaucoma in our sample was 1.44% (n = 72). The prevalence adjusted for disk area was 1.34% (n = 67). The prevalence gradually increased in both models with each decade of age (from 0.9 to 2.4%, respectively). In both models, none of the glaucoma cases had a small optic disk (< 1.6 mm2). Glaucoma prevalence in medium optic disks was 1.0% (without DA adjustment) vs. 1.6% (with DA adjustment) and in large optic disks 5.6 vs. 2.5%.

Conclusions

The prevalence of definite glaucoma was similar to other European population-based cohorts, with slightly higher prevalence in younger subjects. Our analysis highlighted the influence of optic disk size in determining the diagnosis of glaucoma based on cup-to-disk ratio in epidemiological studies.
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Metadata
Title
Prevalence of glaucoma in Germany: results from the Gutenberg Health Study
Authors
René Höhn
Stefan Nickels
Alexander K. Schuster
Philipp S. Wild
Thomas Münzel
Karl J. Lackner
Irene Schmidtmann
Manfred Beutel
Norbert Pfeiffer
Publication date
01-09-2018
Publisher
Springer Berlin Heidelberg
Published in
Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 9/2018
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI
https://doi.org/10.1007/s00417-018-4011-z

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