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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 5 — May. 1, 2007
  • pp: 1313–1326

Large-field-of-view, modular, stabilized, adaptive-optics-based scanning laser ophthalmoscope

Stephen A. Burns, Remy Tumbar, Ann E. Elsner, Daniel Ferguson, and Daniel X. Hammer  »View Author Affiliations


JOSA A, Vol. 24, Issue 5, pp. 1313-1326 (2007)
http://dx.doi.org/10.1364/JOSAA.24.001313


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Abstract

We describe the design and performance of an adaptive optics retinal imager that is optimized for use during dynamic correction for eye movements. The system incorporates a retinal tracker and stabilizer, a wide-field line scan scanning laser ophthalmoscope (SLO), and a high-resolution microelectromechanical-systems-based adaptive optics SLO. The detection system incorporates selection and positioning of confocal apertures, allowing measurement of images arising from different portions of the double pass retinal point-spread function (psf). System performance was excellent. The adaptive optics increased the brightness and contrast for small confocal apertures by more than 2 × and decreased the brightness of images obtained with displaced apertures, confirming the ability of the adaptive optics system to improve the psf. The retinal image was stabilized to within 18 μ m 90% of the time. Stabilization was sufficient for cross-correlation techniques to automatically align the images.

© 2007 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(170.1790) Medical optics and biotechnology : Confocal microscopy
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(330.2210) Vision, color, and visual optics : Vision - eye movements
(330.4300) Vision, color, and visual optics : Vision system - noninvasive assessment

ToC Category:
Instrumentation and Techniques for Retinal Imaging

History
Original Manuscript: September 6, 2006
Manuscript Accepted: October 30, 2006
Published: April 11, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Stephen A. Burns, Remy Tumbar, Ann E. Elsner, Daniel Ferguson, and Daniel X. Hammer, "Large-field-of-view, modular, stabilized, adaptive-optics-based scanning laser ophthalmoscope," J. Opt. Soc. Am. A 24, 1313-1326 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-5-1313


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