TY - GEN
T1 - Development of a non-invasive calibration method for ocular tactile tonometry
AU - Enikov, Eniko T.
AU - Polyvás, Péter P.
PY - 2013
Y1 - 2013
N2 - This article describes a novel method of indirect estimation of intra-ocular pressure using tactile sensors. Two sensor calibration methods have been demonstrated: an artificial neural network (ANN) model and a phenomenological reducedparameter model based on finite element analysis. The ANN method showed superior performance with an accuracy of +/- 0.7 mmHg, while the reduced order method showed an accuracy of +/- 3.11 mmHg. The latter method however allows calibration of the tactile tonometer from a single pressure measurement if the geometry of the probes is known and satisfying certain solvability conditions. The ANN method was demonstrated using experiment data, while the reduced-order model was tested numerically. Due to its indirect and non-invasive nature, the proposed tactile measurement method can be used in the development of a self-administered home tonometer for management of glaucoma, however the presence of an eye lid might require modification of the calibration procedure outlined here.
AB - This article describes a novel method of indirect estimation of intra-ocular pressure using tactile sensors. Two sensor calibration methods have been demonstrated: an artificial neural network (ANN) model and a phenomenological reducedparameter model based on finite element analysis. The ANN method showed superior performance with an accuracy of +/- 0.7 mmHg, while the reduced order method showed an accuracy of +/- 3.11 mmHg. The latter method however allows calibration of the tactile tonometer from a single pressure measurement if the geometry of the probes is known and satisfying certain solvability conditions. The ANN method was demonstrated using experiment data, while the reduced-order model was tested numerically. Due to its indirect and non-invasive nature, the proposed tactile measurement method can be used in the development of a self-administered home tonometer for management of glaucoma, however the presence of an eye lid might require modification of the calibration procedure outlined here.
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U2 - 10.1115/IMECE2013-63380
DO - 10.1115/IMECE2013-63380
M3 - Conference contribution
AN - SCOPUS:84903461962
SN - 9780791856215
T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
BT - Biomedical and Biotechnology Engineering
PB - American Society of Mechanical Engineers (ASME)
T2 - ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013
Y2 - 15 November 2013 through 21 November 2013
ER -