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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. 7 — Aug. 1, 2013

Retinal mesopic adaptation model for brightness perception under transient glare

Pablo Alejandro Barrionuevo, Elisa Margarita Colombo, and Luis Alberto Issolio  »View Author Affiliations


JOSA A, Vol. 30, Issue 6, pp. 1236-1247 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001236


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Abstract

A glare source in the visual field modifies the brightness of a test patch surrounded by a mesopic background. In this study, we investigated the effect of two levels of transient glare on brightness perception for several combinations of mesopic reference test luminances (Lts) and background luminances (Lbs). While brightness perception was affected by Lb, there were no appreciable effects for changes in the Lt. The highest brightness reduction was found for Lbs in the low mesopic range. Considering the main proposal that brightness can be inferred from contrast and the Lb sets the mesopic luminance adaptation, we hypothesized that contrast gain and retinal adaptation mechanisms would act when a transient glare source was present in the visual field. A physiology-based model that adequately fitted the present and previous results was developed.

© 2013 Optical Society of America

OCIS Codes
(330.4060) Vision, color, and visual optics : Vision modeling
(330.5380) Vision, color, and visual optics : Physiology
(330.5510) Vision, color, and visual optics : Psychophysics
(330.7320) Vision, color, and visual optics : Vision adaptation
(290.2558) Scattering : Forward scattering

ToC Category:
Scattering

History
Original Manuscript: October 16, 2012
Revised Manuscript: April 25, 2013
Manuscript Accepted: April 26, 2013
Published: May 28, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Pablo Alejandro Barrionuevo, Elisa Margarita Colombo, and Luis Alberto Issolio, "Retinal mesopic adaptation model for brightness perception under transient glare," J. Opt. Soc. Am. A 30, 1236-1247 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-30-6-1236

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