IOVS Proceedings of the National Academy of Sciences
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(Investigative Ophthalmology and Visual Science. 1971;10:955-958.)
© 1971 by The Association for Research in Vision and Ophthalmology, Inc.

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Role of Body Temperature in the Definition of Retinal Burn Threshold

BRIAN WARD 1 and W. ROBERT BRUCE 1

1 Vision/Neurosensory Section, Life Sciences Division, Technology Incorporated, San Antonio, Texas

Young adult rhesus monkeys were anesthetized with a barbiturate which dislocates the normal thermoregulatory mechanism. The core temperature was then controlled by a heating pad, and the chorioretinal burn threshold was determined for different temperatures with the use of light from a Zeiss photocoagulator. The results show linear relationships between the threshold retinal irradiances and body temperature for two different sets of exposure parameters. Extrapolation of the two sets of data provides an estimate of the critical temperature for production of the threshold chorioretinal lesion. The roles of body temperature and certain exposure parameters in the production of retinal damage are discussed.

Key Words: ocular burn • thermal damage • photocoagulation • eclipse blindness • light damage • infrared • retina • choroid • core temperature

Submitted on August 12, 1971
Accepted on October 18, 1971






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Copyright © 1971 by the Association for Research in Vision and Ophthalmology