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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 5 — Mar. 17, 2010

Role of ocular aberrations in photopic spatial summation in the fovea

Eugénie Dalimier and Chris Dainty  »View Author Affiliations


Optics Letters, Vol. 35, Issue 4, pp. 589-591 (2010)
http://dx.doi.org/10.1364/OL.35.000589


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Abstract

An adaptive optics vision simulator was used to measure the role of ocular aberrations in the photopic foveal spatial summation curve for three young subjects. After the correction of the ocular aberrations over a 6 mm pupil, the increment luminance threshold was lowered for small stimuli and the estimated area of complete summation (Ricco’s area) was reduced by a factor of 2.6 on average. These results show that the image spread due to natural ocular aberrations partly accounts for the spatial summation observed in the fovea in the photopic light regime.

© 2010 Optical Society of America

OCIS Codes
(330.1880) Vision, color, and visual optics : Detection
(330.4595) Vision, color, and visual optics : Optical effects on vision
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: December 15, 2009
Revised Manuscript: January 11, 2010
Manuscript Accepted: January 14, 2010
Published: February 11, 2010

Virtual Issues
Vol. 5, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Eugénie Dalimier and Chris Dainty, "Role of ocular aberrations in photopic spatial summation in the fovea," Opt. Lett. 35, 589-591 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-4-589


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