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Possibilities of monitoring intraocular pressure in children using EASYTON transpalpebral tonometer

Elena N Iomdina1, Nina Yu Kushnarevich2

  • 1Department of Refractive Pathology, Binocular Vision and Ophthalmoergonomics, Helmholtz National Medical Research Center of Eye Diseases, 14/19 Sadovaya-Chernogryazskaya St, Moscow, Russia, 105062. iomdina@gmail.com.

International Ophthalmology
|January 28, 2022
PubMed

Insights

Transpalpebral scleral tonometry (TPST) offers a more comfortable and reliable method for measuring intraocular pressure (IOP) in children compared to pneumotonometry. This technique provides more accurate IOP readings, crucial for pediatric eye care.

Area of Science:

  • Ophthalmology
  • Pediatric Optometry
  • Ocular Diagnostics

Background:

  • Accurate intraocular pressure (IOP) measurement is vital for diagnosing and managing pediatric eye conditions.
  • Traditional tonometry methods can be challenging in children due to discomfort and cooperation issues.
  • Evaluating alternative tonometry techniques for improved pediatric patient experience and data reliability is necessary.

Purpose of the Study:

  • To compare the effectiveness of transpalpebral scleral tonometry (TPST) and corneal pneumotonometry in pediatric patients.
  • To assess and compare the levels of discomfort and tolerance associated with each tonometry method in children.

Main Methods:

  • Sequential measurement of intraocular pressure (IOP) using TPST (EASYTON tonometer) and pneumotonometry (Reichert 7 Non-contact AutoTonometer) in 84 eyes of 42 children (aged 5-14).
  • Patient tolerance was evaluated using a five-point scale questionnaire assessing discomfort, pain, fear, anxiety, and resistance.
  • Included children with myopia, hyperopia, and emmetropia.

Main Results:

  • TPST demonstrated high repeatability of IOP measurements within the same eye and consistency between paired eyes.
  • Pneumotonometry showed greater individual data variability and asymmetry in paired eye measurements.
  • TPST yielded significantly higher comfort scores (4.64 ± 0.60) compared to pneumotonometry (3.85 ± 0.90) (p < 0.05).

Conclusions:

  • Transpalpebral scleral tonometry (TPST) offers a more reliable and accurate method for IOP measurement in pediatric practice.
  • TPST minimizes the influence of corneal properties on IOP readings and provides a more comfortable experience for children.
  • TPST presents broader possibilities for effective IOP monitoring in pediatric ophthalmology.
Abstract

Keywords:
ChildrenDiscomfort level scoreIntraocular pressureNoncontact pneumotonometryTranspalpebral scleral tonometry

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