June 1965
Volume 4, Issue 3
Free
Articles  |   June 1965
Light-induced DC Responses of Monkey Retina before and after Central Retinal Artery Interruption
Author Affiliations
  • PETER GOURAS
    Ophthalmology Branch, National Institute of Neurological Diseases and Blindness, National Institutes of Health, Public Health Service, U. S. Department of Health, Education, and Welfare Bethesda, Md.
  • RONALD E. CARR
    Ophthalmology Branch, National Institute of Neurological Diseases and Blindness, National Institutes of Health, Public Health Service, U. S. Department of Health, Education, and Welfare Bethesda, Md.
Investigative Ophthalmology & Visual Science June 1965, Vol.4, 310-317. doi:
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      PETER GOURAS, RONALD E. CARR; Light-induced DC Responses of Monkey Retina before and after Central Retinal Artery Interruption. Invest. Ophthalmol. Vis. Sci. 1965;4(3):310-317.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

A direct recording method has been used to study the slowly developing DC response to light of the primate retina. The results confirm the observations of slow oscillations in this response obtained by indirect techniques in man and, in addition, demonstrate similar changes in the ERG. Interruption of the central retinal artery eliminates the slow DC light response and the b-wave of the ERG and produces marked histologic damage extending from the optic nerve to the external plexiform layer of the retina. The responses which remain are the a-wave, a small maintained corneal negative DC potential, and a positive "off" effect. The c-wave becomes reduced although the response to azide is maintained.

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