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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 31, Iss. 4 — Apr. 1, 2014
  • pp: A268–A273

Color discrimination in individuals with light and dark irides: an evaluation of the effects of intraocular straylight and retinal illumination

Margarita Zlatkova, Raymond O. Beirne, and Nuala A. Hinds  »View Author Affiliations

JOSA A, Vol. 31, Issue 4, pp. A268-A273 (2014)

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To investigate the effect of induced intraocular straylight on the Farnsworth–Munsell 100-hue test performance in individuals with light and dark irides, 28 young subjects were tested both with and without a quantified light-scattering filter. The filter produced a significant increase in the total error scores (p<0.05), but no significant correlation was found between the level of straylight and error score (p>0.05). The development of a tritan-like defect in the dark-eyed participants can be attributed to the effect of light attenuation caused by filter absorption, which markedly affects S-cone mediated color discrimination. The combined effect of higher short-wavelength absorption of melanin and macular pigment in the dark eyes may be involved.

© 2014 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.6100) Vision, color, and visual optics : Spatial discrimination
(330.7323) Vision, color, and visual optics : Visual optics, aging changes

ToC Category:
Chromatic discrimination

Original Manuscript: October 3, 2013
Revised Manuscript: January 4, 2014
Manuscript Accepted: January 13, 2014
Published: February 18, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Margarita Zlatkova, Raymond O. Beirne, and Nuala A. Hinds, "Color discrimination in individuals with light and dark irides: an evaluation of the effects of intraocular straylight and retinal illumination," J. Opt. Soc. Am. A 31, A268-A273 (2014)

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