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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 19, Iss. 1 — Jan. 1, 2002
  • pp: 223–228

Binocular contrast inhibition in subjects with age-related macular degeneration

Arne Valberg and Per Fosse  »View Author Affiliations


JOSA A, Vol. 19, Issue 1, pp. 223-228 (2002)
http://dx.doi.org/10.1364/JOSAA.19.000223


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Abstract

In subjects with normal vision, binocular contrast sensitivity is generally higher than monocular sensitivity, indicating summation of contrast in the two eyes. We have compared monocular and binocular contrast sensitivity and acuity for a group of 13 subjects with age-related macular degeneration (AMD). Relative to a normal control group, many of the AMD subjects showed reduced binocular contrast summation, and binocular inhibition was found for eight subjects for a narrow or an extended frequency band. A better monocular than binocular function may have practical implications for reading and orientation in AMD.

© 2002 Optical Society of America

OCIS Codes
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity
(330.3790) Vision, color, and visual optics : Low vision

History
Original Manuscript: February 5, 2001
Revised Manuscript: June 21, 2001
Manuscript Accepted: June 21, 2001
Published: January 1, 2002

Citation
Arne Valberg and Per Fosse, "Binocular contrast inhibition in subjects with age-related macular degeneration," J. Opt. Soc. Am. A 19, 223-228 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-1-223


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