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International Ophthalmology

, Volume 38, Issue 5, pp 1963–1967 | Cite as

Evaluation of the effect of daily activities on intraocular pressure in healthy people: is the 20 mmHg border safe?

  • Gonen Baser
  • Eyyup Karahan
  • Sinan Bilgin
  • Ugur Unsal
Original Paper

Abstract

Purpose

The aim of this prospective study was to evaluate the intraocular pressure (IOP) variations during daily activities such as reading, speaking and carrying in regard to investigating whether an elevation or decrease exists.

Subjects and methods

Forty-four eyes of 44 healthy subjects were evaluated. The IOP was measured in relaxation and after reading, speaking and carrying a shopping bag for 5 min on different days, respectively. The subjects rested for 15 min between the activities. Mean initial IOP levels were compared with mean IOP levels after reading, speaking and carrying a shopping bag with paired t test. A p value of 0.05 was considered as statistically significant.

Results

We observed no changes in mean IOP after reading (p = 0.188). Mean IOP was increased after speaking and carrying compared with mean basic IOP (p = 0.001 and p = 0.001, very significant, respectively). The mean IOP began to decrease 15 min after speaking and carrying and came back to the baseline values one hour later.

Conclusions

The IOP is not stable during daily activities. Simple actions such as carrying or speaking have an increasing effect on IOP. This should be taken into consideration in glaucoma patients during control measurements, especially in patients in whom the IOP was near to the 20 mmHg border.

Keywords

Intraocular pressure Physical activity Valsalva maneuver Glaucoma Episcleral venous pressure 

Notes

Acknowledgements

All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers bureaus; membership, employment, consultations, stock ownership or other equity interest; and expert testimony or patent–licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

Compliance with ethical standard

Conflicts of interest

The authors declare no conflict of interest.

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Gonen Baser
    • 1
  • Eyyup Karahan
    • 2
  • Sinan Bilgin
    • 3
  • Ugur Unsal
    • 4
  1. 1.Ozel Egepol HospitalIzmirTurkey
  2. 2.Van Education and Investigation HospitalVanTurkey
  3. 3.Ozel Medifema HospitalIzmirTurkey
  4. 4.Batigoz Eye Health CenterIzmirTurkey

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