What is it about?
Glaucoma is a leading cause of irreversible blindness, primarily driven by increased intraocular pressure (IOP). The Water Drinking Test (WDT) is commonly used to estimate peak IOP, which can influence disease progression. However, the consistency of IOP peaks over time and between eyes remains unclear. Our study assessed the reproducibility of IOP peak times during consecutive WDT sessions in patients with treated primary open-angle glaucoma. We found that while IOP peak times were moderately reproducible, variability existed between tests and between eyes. This suggests that simplified versions of the WDT may not accurately reflect peak IOP trends, potentially impacting clinical decisions.
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Why is it important?
These findings emphasize the importance of carefully interpreting WDT results and highlight the need for more precise methods of monitoring IOP peaks in glaucoma management.
Perspectives
Given the variability in IOP peak timing and the potential for misinterpretation, clinicians should exercise caution when using simplified versions of WDT.
Carolina Susanna
Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (USP)
Read the Original
This page is a summary of: Reproducibility of the Time of Intraocular Pressure Peaks During Water-drinking Test in Patients Treated for Open-angle Glaucoma, Journal of Ophthalmic and Vision Research, December 2024, Knowledge E,
DOI: 10.18502/jovr.v19i4.14982.
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