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Wearing swimming goggles can elevate intraocular pressure
  1. William H Morgan (whmorgan{at}cyllene.uwa.edu.au),
  2. Thomas S Cunneen (tomcunneen{at}hotmail.com),
  3. Chandrakumar Balaratnasingam (balaratnasingam{at}gmail.com),
  4. Dao-Yi Yu (dyyu{at}cyllene.uwa.edu.au)
  1. Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Australia
  2. Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Australia
  3. Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Australia
  4. Centre for Ophthalmology and Visual Science, University of Western Australia, Australia

    Abstract

    Aim: To examine the acute effects of wearing swimming goggles upon intraocular pressure (IOP).

    Methods: This research consisted of a Pilot study and a Validation study. Holes were drilled into the faces of 13 different goggles to allow IOP measurement by applanation tonometry. IOP was measured before goggle wear, 2 minutes after goggle application, 20 minutes after goggle application and after goggle removal. The Pilot study (n = 15) was initially performed to investigate changes in IOP whilst wearing 5 different types of swimming goggles. Anatomical and goggle design parameters from the Pilot study were then used to generate a predictive model and design a Validation study (n = 20). The Validation study tested the predictive model, examined IOP changes using another 8 goggles and clarified whether IOP changes were sustained for the duration of goggle wear.

    Results: IOP increased whilst wearing goggles by a mean pressure of 4.5mmHg (sd 3.7, P < 0.001) with this pressure rise being sustained for the duration of goggle wear. A smaller goggle face area (P = 0.013), was consistently associated with greater IOP elevation.

    Conclusion: These measurements were not taken while swimming, however they suggest that some swimming goggles can elevate IOP.

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