December 2012
Volume 12, Issue 14
Free
OSA Fall Vision Meeting Abstract  |   December 2012
Quantitative Measurement of Tear Film Dynamics with Optical Coherence Tomography and Statistical Decision Theory
Author Affiliations
  • Jinxin Huang
    Department of Physics and Astronomy, University of Rochester, Rochester, NY, USA
  • Kye-sung Lee
    The Institute of Optics, University of Rochester, Rochester, NY, USA
  • Eric Clarkson
    College of Optical Sciences, University of Arizona, Tucson, AZ, USA
  • Matthew Kupinski
    College of Optical Sciences, University of Arizona, Tucson, AZ, USA
  • Jannick P. Rolland
    The Institute of Optics, University of Rochester, Rochester, NY, USA
Journal of Vision December 2012, Vol.12, 39. doi:10.1167/12.14.39
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      Jinxin Huang, Kye-sung Lee, Eric Clarkson, Matthew Kupinski, Jannick P. Rolland; Quantitative Measurement of Tear Film Dynamics with Optical Coherence Tomography and Statistical Decision Theory. Journal of Vision 2012;12(14):39. doi: 10.1167/12.14.39.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Currently, there are about 40 to 60 million Americans suffering from Dry Eye Syndrome (DES); this serious public health problem will worsen with the explosive aging population created by baby boomers, where DES has a high incidence. However, the therapeutics for DES are elusive because our understanding of DES is so elementary, especially the correlation between symptoms and the diagnosis. Unfortunately, a quantitative diagnosis, which is the prerequisite to advance the management of DES, is yet to be realized. We are seeking the next breakthrough in DES management by providing a quantitative diagnosis, with the combination of optical coherence tomography (OCT) imaging and statistical decision theory. The statistical decision theory is formulated for the specific task of the tear film imaging, thus it will allow the assessment and optimization of the OCT system for such an application. Furthermore, the combination of the statistical decision theory and OCT will show its advantage by taking into account the system noise, compared to the direct measurements from the imaging itself. We present the mathematical models of the OCT system and the decision-making mechanisms. We first apply the receiver operating curve (ROC) analysis for a detection task and explore the limit of the OCT imaging system. Then we implement a maximum-likelihood estimator for the quantification of the tear film thickness; the estimator can estimate thinner thickness than the axial resolution of the OCT system, which is beyond the limitation of direct measurements from OCT images.

Meeting abstract presented at OSA Fall Vision 2012

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