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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 29, Iss. 2 — Feb. 1, 2012
  • pp: A268–A274

Hypoxia, color vision deficiencies, and blood oxygen saturation

Jeffery K. Hovis, Nelda J. Milburn, and Thomas E. Nesthus  »View Author Affiliations

JOSA A, Vol. 29, Issue 2, pp. A268-A274 (2012)

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Chromatic thresholds were measured using the Cambridge Colour Test (CCT), the Colour Assessment and Diagnosis (CAD) test, and the Cone Specific Contrast Test (CSCT) at ground and 3780 m (12 400 ft) for subjects with normal color vision and red-green color vision defects. The CAD revealed a small (10%) increase in the red-green thresholds for the trichromatic subjects and a similar increase in the blue-yellow thresholds for the dichromats. The other two color vision tests did not reveal any significant change in chromatic thresholds. The CAD results for the trichromats were consistent with a rotation of the discrimination ellipse counterclockwise with little change in the elliptical area. This alteration in the color discrimination ellipse can occur when retinal illumination is lowered.

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1720) Vision, color, and visual optics : Color vision

ToC Category:
Variations and deficiencies of color vision

Original Manuscript: September 1, 2011
Revised Manuscript: December 5, 2011
Manuscript Accepted: December 7, 2011
Published: January 27, 2012

Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics

Jeffery K. Hovis, Nelda J. Milburn, and Thomas E. Nesthus, "Hypoxia, color vision deficiencies, and blood oxygen saturation," J. Opt. Soc. Am. A 29, A268-A274 (2012)

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