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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 1 — Jan. 3, 2011

Ophthalmic wavefront measurements using a versatile pyramid sensor

Elizabeth M. Daly and Chris Dainty  »View Author Affiliations


Applied Optics, Vol. 49, Issue 31, pp. G67-G77 (2010)
http://dx.doi.org/10.1364/AO.49.000G67


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Abstract

We describe the operation of a pyramid wavefront sensor used to measure and correct aberrations of the human eye. The system is designed for maximum speed when running in closed loop but can also provide calibrated open-loop measurements of aberrations with a range of sampling options. A detailed characterization of the system was performed to ensure measurement accuracy. Ocular aberrations after correction had root-mean-square errors consistently less than 0.1 μm over a 6 mm pupil for all subjects tested. The system frame rate is 83 Hz in both open- and closed-loop modes.

© 2010 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Wavefront Sensors

History
Original Manuscript: January 26, 2010
Revised Manuscript: June 14, 2010
Manuscript Accepted: June 19, 2010
Published: July 15, 2010

Virtual Issues
Vol. 6, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Elizabeth M. Daly and Chris Dainty, "Ophthalmic wavefront measurements using a versatile pyramid sensor," Appl. Opt. 49, G67-G77 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-49-31-G67


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