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Effect of elimination of nitrogen and/or hypoxia or restricted visual environment on color vision and range of accommodationThe effects upon range of accommodation and color vision of reduced atmospheric pressure, at partial and complete elimination of nitrogen, of hypoxia, and of exposure for varying periods of time to restricted visual environment, have been studied alone or in various combinations. Measurements were made on the electroretinogram, the electrooculogram, and the diameter of the retinal vessels as an indicator of blood flow to the retina at the time of total elimination of nitrogen. An objective method was used to test range of accommodation. In the color vision test the flicker colors of a Benham's top were matched with a colorimeter.
Document ID
19730013310
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Wolbarsht, M. L. (Duke Univ. Durham, NC, United States)
White, C. W. (Duke Univ. Durham, NC, United States)
Anderson, W. B., Jr. (Duke Univ. Durham, NC, United States)
Date Acquired
September 2, 2013
Publication Date
February 28, 1973
Subject Category
Biosciences
Report/Patent Number
NASA-CR-128896
Accession Number
73N22037
Funding Number(s)
CONTRACT_GRANT: NAS9-11994
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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