Mathematical modeling of retinal birefringence scanning

David G. Hunter, Julie C. Sandruck, Soma Sau, Saurabh N. Patel, David Lee Guyton

Research output: Contribution to journalArticle

Abstract

Retinal birefringence scanning (RBS) is a new technique that is used to detect the fixation of the eye remotely andI noninvasively. The method is based on analysis of polarization changes induced by the retina. In this study, the principles of RBS were mathematically modeled to facilitate a better understanding of the origins of the signals obtained. Stokes vector analysis and Mueller matrix multiplication were augmented with Poincaré sphere representation. The cornea was modeled as a linear retarder. The foveal area was modeled as a radially symmetric birefringent medium. The model accurately predicted the frequency and phase of RBS signals obtained during central and paracentral fixation. The signal that indicates central fixation during RBS likely results from a combination of the radial birefringence of the Henle fibers and the overlying corneal birefringence.

Original languageEnglish (US)
Pages (from-to)2103-2111
Number of pages9
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume16
Issue number9
StatePublished - 1999

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Birefringence
Scanning
Cornea
Retina
Polarization
Fibers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Vision and Pattern Recognition

Cite this

Mathematical modeling of retinal birefringence scanning. / Hunter, David G.; Sandruck, Julie C.; Sau, Soma; Patel, Saurabh N.; Guyton, David Lee.

In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, Vol. 16, No. 9, 1999, p. 2103-2111.

Research output: Contribution to journalArticle

Hunter, David G. ; Sandruck, Julie C. ; Sau, Soma ; Patel, Saurabh N. ; Guyton, David Lee. / Mathematical modeling of retinal birefringence scanning. In: Journal of the Optical Society of America A: Optics and Image Science, and Vision. 1999 ; Vol. 16, No. 9. pp. 2103-2111.
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