Physical and dynamic models of the eye for tonometry applications

Matthias Hien, R. L. Reuben, J. Hammer, R. W. Else, Chris Muir

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A new approach to measuring intraocular pressure (IOP) and central corneal thickness (CCT) has been developed. This dynamic contact system measures the static stiffness and dynamic modulus (expressed as an amplitude ratio and phase lag) of the eyeball and a dynamic model has been developed which allows separation of the contributions of CCT and IOP. Three different mechanical eyeball configurations have been investigated, simulating different behaviours of a real eyeball. Preliminary results show significant differences in phase lag, dynamic modulus and mean ratio for using different CCT and IOP. © 2009 Springer Berlin Heidelberg.

Original languageEnglish
Title of host publication4th European Conference of the International Federation for Medical and Biological Engineering - ECIFMBE 2008
EditorsJ VanderSloten, P Verdonck, M Nyssen, J Haueisen
Place of PublicationNew York
PublisherSpringer
Pages2223-2227
Number of pages5
Volume22
ISBN (Print)9783540892076
DOIs
Publication statusPublished - 2008
Event4th European Conference of the International Federation for Medical and Biological Engineering - Antwerp, Belgium
Duration: 23 Nov 200827 Nov 2008

Conference

Conference4th European Conference of the International Federation for Medical and Biological Engineering
Abbreviated titleECIFMBE 2008
CountryBelgium
CityAntwerp
Period23/11/0827/11/08

Keywords

  • Central Corneal Thickness CCT
  • DMA (Dynamic Measurement analyses)
  • Glaucoma
  • Intraocular Pressure IOP
  • Mechanical eyeball

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  • Cite this

    Hien, M., Reuben, R. L., Hammer, J., Else, R. W., & Muir, C. (2008). Physical and dynamic models of the eye for tonometry applications. In J. VanderSloten, P. Verdonck, M. Nyssen, & J. Haueisen (Eds.), 4th European Conference of the International Federation for Medical and Biological Engineering - ECIFMBE 2008 (Vol. 22, pp. 2223-2227). Springer. https://doi.org/10.1007/978-3-540-89208-3_532