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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. 8, Iss. 3 — Apr. 4, 2013

Correspondence of chaos in binocular aberration dynamics

Karen M. Hampson and Edward A. H. Mallen  »View Author Affiliations


Optics Letters, Vol. 38, Issue 3, pp. 302-304 (2013)
http://dx.doi.org/10.1364/OL.38.000302


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Abstract

We used a binocular Shack–Hartmann sensor to measure the aberration dynamics of six participants at a rate of 21 Hz. Chaos theory analysis was used to determine the Lyapunov exponent for the time evolution of the rms wavefront error, accommodation, and each individual Zernike coefficient up to and including the fifth radial order. In all cases there was no statistically significant difference between the Lyapunov exponents between the two eyes, suggesting that the level of chaos is common between them. The mean Lyapunov exponent averaged across both eyes of all participants was 0.42±0.14  μm/s for the rms wavefront error, 0.37±0.06  D/s for accommodation, and 0.32±0.09  μm/s averaged across Zernike coefficients. We found no statistically significant correlation per se between the eyes, except for horizontal coma. The correlation may be masked by the impact of differing tear film dynamics. Understanding the nature of aberration dynamics has utility in optimizing the performance of adaptive optics systems for the human eye.

© 2013 Optical Society of America

OCIS Codes
(330.5370) Vision, color, and visual optics : Physiological optics
(330.7326) Vision, color, and visual optics : Visual optics, modeling

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: November 15, 2012
Manuscript Accepted: December 18, 2012
Published: January 21, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Karen M. Hampson and Edward A. H. Mallen, "Correspondence of chaos in binocular aberration dynamics," Opt. Lett. 38, 302-304 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-38-3-302


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