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Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 11 — Oct. 22, 2008

Binocular correlation of ocular aberration dynamics

S. S. Chin, K. M. Hampson, and E. A. H. Mallen  »View Author Affiliations

Optics Express, Vol. 16, Issue 19, pp. 14731-14745 (2008)

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Fluctuations in accommodation have been shown to be correlated in the two eyes of the same subject. However, the dynamic correlation of higher-order aberrations in the frequency domain has not been studied previously. A binocular Shack-Hartmann wavefront sensor is used to measure the ocular wavefront aberrations concurrently in both eyes of six subjects at a sampling rate of 20.5 Hz. Coherence function analysis shows that the inter-ocular correlation between aberrations depends on subject, Zernike mode and frequency. For each subject, the coherence values are generally low across the resolvable frequency range (mean 0.11), indicating poor dynamic correlation between the aberrations of the two eyes. Further analysis showed that phase consistency dominates the coherence values. Monocular and binocular viewing conditions showed similar power spectral density functions.

© 2008 Optical Society of America

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

ToC Category:
Vision, color, and visual optics

Original Manuscript: May 30, 2008
Revised Manuscript: August 12, 2008
Manuscript Accepted: August 27, 2008
Published: September 4, 2008

Virtual Issues
Vol. 3, Iss. 11 Virtual Journal for Biomedical Optics

S. S. Chin, K. M. Hampson, and E. A. H. Mallen, "Binocular correlation of ocular aberration dynamics," Opt. Express 16, 14731-14745 (2008)

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