Abstract
Purpose
To investigate the effects of mental stress stimulus on intraocular pressure (IOP) measurement and visual field (VF) testing.
Methods
Patients with open angle glaucoma underwent a baseline IOP measurement and VF testing. Afterwards, they completed a computerized mental stress test (Stroop test) which is a known standardized method to induce mental stress. After test completion, patients underwent a second IOP measurement and VF testing.
Results
Seventy-two eyes of 36 patients were enrolled. Mean age was 67.0 ± 9.5 years (range 47–84 years). The mean baseline IOP was 15.0 mmHg, and after the Stroop mental stress test, IOP increased to 16.0 mm Hg (P < 0.001). There was a trend towards significant mean deviation decreased from -6.9 dB to -8.0 dB (P = 0.054, t-test) following the stress test. This difference became significant using the Wilcoxon nonparametric test (P = 0.008). Correlation was found between glaucoma severity and change in IOP (P = 0.02) and PSD (P < 0.01).
Conclusions
We found a small but statistically significant increase in IOP and a trend towards deterioration of visual field mean deviation, following a short mental stress test. Patients with more severe glaucoma showed more pronounced changes. Our results suggest that mental stress could affect IOP measurement in the clinic.
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Data availability
Data is available to authors and is protected to avoid misuse of patients’ personal information.
Code availability
Not applicable.
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by all authors. The first draft of the manuscript was written by Drs. Shay Keren and Michael Waisbourd. All authors revised the manuscript. All authors read and approved the final manuscript.
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Keren, S., Waisbourd, M., Gomel, N. et al. Influence of mental stress on intraocular pressure and visual field testing: is there a white coat syndrome in glaucoma?. Graefes Arch Clin Exp Ophthalmol 260, 209–214 (2022). https://doi.org/10.1007/s00417-021-05315-9
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DOI: https://doi.org/10.1007/s00417-021-05315-9