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Trabecular Meshwork Response to Pressure Elevation in the Living Human Eye
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Changes in intraocular pressure after exercise test.

Morteza Abdar Esfahani1, Mojgan Gharipour2, Hamid Fesharakinia3

  • 1Department of Cardiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.

Oman Journal of Ophthalmology
|March 17, 2017
PubMed
Summary
This summary is machine-generated.

Exercise temporarily lowers intraocular pressure (IOP) in patients undergoing cardiac stress tests. This IOP reduction is more pronounced in older individuals, returning to baseline levels shortly after the test.

Keywords:
Ageexercise testintraocular pressure

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Area of Science:

  • Ophthalmology
  • Cardiology
  • Exercise Physiology

Background:

  • The effect of exercise on intraocular pressure (IOP) is not fully understood.
  • Previous studies suggest a potential decrease in IOP post-exercise, but results remain inconsistent.

Purpose of the Study:

  • To investigate the impact of exercise testing on intraocular pressure (IOP) in patients with suspected coronary artery disease (CAD).

Main Methods:

  • A cross-sectional study evaluated 101 eyes from 51 patients (aged 30-70) undergoing treadmill exercise tests.
  • Intraocular pressure (IOP) was measured before, and 5 and 20 minutes after exercise using a Schiotz tonometer.

Main Results:

  • Mean IOP decreased from 16.12 mmHg pre-exercise to 13.79 mmHg at 5 minutes post-exercise, returning to 15.67 mmHg at 20 minutes.
  • A significant IOP decrease was observed in 74.3% of eyes.
  • Age showed a significant direct association with IOP changes (r=0.350, P=0.009).

Conclusions:

  • Exercise testing induces a temporary reduction in intraocular pressure (IOP).
  • IOP levels return to baseline shortly after the exercise test.
  • The IOP-lowering effect of exercise is more pronounced in older individuals.