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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
Focusing on patients at high-risk for glaucoma in Brazil: a pilot study
R A Paletta Guedes1, V M Paletta Guedes, A Chaoubah
1Paletta Guedes Ophthalmic Center, Juiz de Fora, MG, Brazil. palettaguedes@yahoo.com
Journal Francais D'Ophtalmologie
|October 27, 2009
Summary
A pilot study in Brazil found a high prevalence of glaucoma (23.3%) in first-degree relatives of patients. Screening these high-risk individuals, especially non-white participants with thin corneas, is crucial for early detection.
Area of Science:
- Ophthalmology
- Public Health
- Genetics
Background:
- Glaucoma is a leading cause of irreversible blindness globally.
- First-degree relatives of glaucoma patients have a significantly higher risk of developing the disease.
- Early detection and intervention are critical to prevent vision loss.
Purpose of the Study:
- To evaluate the effectiveness of a pilot screening program for glaucoma.
- To identify high-risk individuals among first-degree relatives of known glaucoma patients in Brazil.
- To assess the prevalence of glaucoma and associated risk factors in this cohort.
Main Methods:
- Cross-sectional study design.
- Inclusion of first-degree relatives of glaucoma patients.
- Risk factor assessment via questionnaire and comprehensive eye examinations, including pachymetry.
Main Results:
- Sixty individuals were screened, revealing a 23.3% prevalence of glaucoma.
- Key risk factors identified included age over 40, systemic hypertension, and non-white ethnicity.
- Significant indicators for glaucoma were non-white ethnicity (OR=6.7), central corneal thickness < 520 micrometers (OR=6.286), and cup-to-disc ratio ≥ 0.6 (OR=3.00).
Conclusions:
- The high glaucoma prevalence underscores the importance of screening first-degree relatives.
- Pachymetry proved to be a valuable diagnostic tool in this high-risk population.
- Targeted screening programs can improve early detection rates for glaucoma.
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