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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 16 — Jun. 1, 2003
  • pp: 3047–3053

Automated detection of ocular alignment with binocular retinal birefringence scanning

David G. Hunter, Ankoor S. Shah, Soma Sau, Deborah Nassif, and David L. Guyton  »View Author Affiliations


Applied Optics, Vol. 42, Issue 16, pp. 3047-3053 (2003)
http://dx.doi.org/10.1364/AO.42.003047


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Abstract

We previously developed a retinal birefringence scanning (RBS) device to detect eye fixation. The purpose of this study was to determine whether a new binocular RBS (BRBS) instrument can detect simultaneous fixation of both eyes. Control (nonmyopic and myopic) and strabismic subjects were studied by use of BRBS at a fixation distance of 45 cm. Binocularity (the percentage of measurements with bilateral fixation) was determined from the BRBS output. All nonstrabismic subjects with good quality signals had binocularity >75%. Binocularity averaged 5% in four subjects with strabismus (range of 0–20%). BRBS may potentially be used to screen individuals for abnormal eye alignment.

© 2003 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(170.4470) Medical optics and biotechnology : Ophthalmology
(330.2210) Vision, color, and visual optics : Vision - eye movements
(330.4300) Vision, color, and visual optics : Vision system - noninvasive assessment

History
Original Manuscript: September 2, 2002
Revised Manuscript: November 25, 2003
Published: June 1, 2003

Citation
David G. Hunter, Ankoor S. Shah, Soma Sau, Deborah Nassif, and David L. Guyton, "Automated detection of ocular alignment with binocular retinal birefringence scanning," Appl. Opt. 42, 3047-3053 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-16-3047

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