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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1884–1886

Noninvasive measurement of eye retraction during blinking

David Mas, Begoña Domenech, Julián Espinosa, Jorge Pérez, Consuelo Hernández, and Carlos Illueca  »View Author Affiliations


Optics Letters, Vol. 35, Issue 11, pp. 1884-1886 (2010)
http://dx.doi.org/10.1364/OL.35.001884


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Abstract

We present a noninvasive technique for high-speed measuring of eye retraction and eyelid position during blinking. The anterior chamber of the eye is illuminated by the slit lamp of a biomicroscope and eye dynamics during a blinking sequence are captured with a high-speed camera working at 500 frames per second. Digital image processing allows quantitative analysis of cornea and eyelid positions during the closing and opening phases of the blinking process. Our method allows simultaneous measuring of corneal retraction, duration of down and up phases, total blinking duration, and average and peak speeds of the eyelids in both phases, thus providing a complete analysis of the blink’s transversal motions.

© 2010 Optical Society of America

OCIS Codes
(200.4740) Optics in computing : Optical processing
(070.2025) Fourier optics and signal processing : Discrete optical signal processing

ToC Category:
Image Processing

History
Original Manuscript: January 27, 2010
Revised Manuscript: April 16, 2010
Manuscript Accepted: May 2, 2010
Published: May 27, 2010

Virtual Issues
Vol. 5, Iss. 10 Virtual Journal for Biomedical Optics

Citation
David Mas, Begoña Domenech, Julián Espinosa, Jorge Pérez, Consuelo Hernández, and Carlos Illueca, "Noninvasive measurement of eye retraction during blinking," Opt. Lett. 35, 1884-1886 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1884


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