Intraocular Pressure Response to Moderate Exercise during 30-Min Recovery.

Optom Vis Sci

*MSc †PhD Department of Optics, Faculty of Science (EN, FP), and Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture (MB), Palacky University Olomouc, Olomouc, Czech Republic.

Published: March 2016

AI Article Synopsis

  • The study aimed to assess how moderate exercise affects intraocular pressure (IOP) in healthy individuals and explore the relationship between resting IOP and changes induced by exercise.
  • Researchers recruited 41 healthy volunteers aged 19-25, measuring their resting IOP and heart rate before having them perform 30 minutes on a bicycle ergometer, after which they remeasured IOP at various intervals.
  • Results showed a significant decrease in IOP immediately after exercise and up to 10 minutes post-exercise, indicating that initial IOP and resting heart rate influence the degree of IOP change following physical activity.

Article Abstract

Purpose: The aim of the study was to evaluate intraocular pressure (IOP) before and after moderate exercise in normal healthy individuals with defined physical exertion. The second aim of this investigation was to determine the correlation between resting IOP (IOPr) and its change induced by exercise as well as the relationship between resting heart rate (HRr) and changes in IOP after exercise.

Methods: Forty-one healthy volunteers between the ages of 19 and 25 years were recruited for the study. First, the resting (reference) values IOPr and HRr were measured after 30 min of resting time. Volunteers consequently performed 30 min of exercise on a bicycle ergometer. Intraocular pressure was remeasured immediately after the end of exercise (the relevant IOP change was denoted as ΔIOP0) and subsequently repeated 5, 10, 20, and 30 min after exercise.

Results: A significant decrease in IOP compared with the resting value (post hoc Tukey honest significant difference test) was found immediately after exercise (p = 2 × 10) and 5 and 10 min after exercise (p = 2 × 10 and p = 3 × 10). Significant relationships were found between the change in IOP (ΔIOP0) and baseline IOP (IOPr) and between the baseline resting heart rate (HRr) and the change in IOP (ΔIOP0).

Conclusions: There was a significant IOP-lowering effect, which was persistent for 10 min after 30 min of exercise. The IOP change was dependent on the initial IOP reading and initial HR.

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Source
http://dx.doi.org/10.1097/OPX.0000000000000794DOI Listing

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