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Automated pupillometry in space neuroscience.

Bader H Shirah1, Jon Sen2, Nada K Naaman3

  • 1Department of Neuroscience, King Faisal Specialist Hospital & Research Centre, P.O. Box: 65362, Jeddah 21556, Saudi Arabia.

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|April 22, 2023
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Summary

Automated pupillometry offers precise, objective measurement of the pupillary light reflex. This technology can now be used in space to monitor astronaut neurological health and detect changes from altered gravity.

Keywords:
Automated pupillometryNeuroscienceSpace

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Area of Science:

  • Neuroscience
  • Space Medicine
  • Ophthalmology

Background:

  • Accurate measurement of the pupillary light reflex is crucial for assessing neurological function.
  • Previous methods lacked the precision needed for quantitative analysis, especially in dynamic environments.
  • Space travel introduces unique physiological challenges, including fluid shifts and potential intracranial pressure changes, impacting neurological health.

Purpose of the Study:

  • To introduce automated pupillometry as a novel, non-invasive tool for space exploration.
  • To highlight its potential in monitoring astronaut health in altered gravity environments.
  • To discuss its application in detecting neurological alterations and pathologies.

Main Methods:

  • Utilizing modern automated pupillometers for objective and precise evaluation of the pupillary light reflex.
  • Applying this technology in the context of space travel and altered gravity.
  • Focusing on non-invasive monitoring techniques.

Main Results:

  • Automated pupillometry provides unprecedented accuracy and reliability in assessing pupillary responses.
  • This technology fills a critical knowledge gap regarding pupillary changes during spaceflight.
  • It shows promise for detecting subtle neurological alterations caused by headward fluid shifts and elevated intracranial pressure.

Conclusions:

  • Automated pupillometry is a valuable, non-invasive tool for space missions.
  • It can significantly enhance the monitoring of astronaut neurological health.
  • This technology offers a sensitive method for early detection of spaceflight-induced neurological changes.