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Chapter 9 - Pupillary Reflex Dilation

Published online by Cambridge University Press:  14 November 2024

Merlin D. Larson
Merlin D. Larson
Affiliation:
University of California, San Francisco
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Summary

Pupillary reflex dilation is the enlargement of pupil diameter following an abrupt novel stimulus that results in arousal of either an awake or sleeping subject. The mechanism of production differs in awake subjects compared to those who are not awake. There are several drugs that alter the reflex and these are discussed. A full understanding of the reflex can provide information relating to opioid effects and to the efficacy of regional block during general anesthesia.

Keywords

Reflex Dilationupil (PRD)
Type
Chapter
Information
A Practical Guide to Portable Pupillometry , pp. 67 - 76
Publisher: Cambridge University Press
Print publication year: 2024

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  • Pupillary Reflex Dilation
  • Merlin D. Larson, University of California, San Francisco
  • Book: A Practical Guide to Portable Pupillometry
  • Online publication: 14 November 2024
  • Chapter DOI: https://doi.org/10.1017/9781009436274.011
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  • Pupillary Reflex Dilation
  • Merlin D. Larson, University of California, San Francisco
  • Book: A Practical Guide to Portable Pupillometry
  • Online publication: 14 November 2024
  • Chapter DOI: https://doi.org/10.1017/9781009436274.011
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Pupillary Reflex Dilation
  • Merlin D. Larson, University of California, San Francisco
  • Book: A Practical Guide to Portable Pupillometry
  • Online publication: 14 November 2024
  • Chapter DOI: https://doi.org/10.1017/9781009436274.011
Available formats
×