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A Binocular Pupil Model for Simulation of Relative Afferent Pupil Defects and the Swinging Flashlight Test

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Abstract

Many important intracranial neural pathways are involved in the control of the two muscles of the human pupil and the observation and analysis of pupil responses to light or other stimuli is of great interest in many clinical procedures. The binocular pupil model presented in this document has a topology encompassing much of the complexity of the pupil system neurophysiology. The dynamic parameters of the model were matched against pupil experiments under multiple conditions. It is employed here to simulate responses to the swinging flashlight test, a procedure which is routinely practiced in ophthalmology to diagnose different degrees of relative afferent pupil defects often a consequence of severe optic nerve diseases or retinal dysfunctions. Other, not light-dependent, pupil stimuli are briefly discussed

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Authors and Affiliations

  1. Neuroptics Research Laboratory, 2826 Telegraph Ave., Berkeley, CA, 94705, USA

    Claudio M. Privitera & Lawrence W. Stark

  2. School of Optometry, University of California, Berkeley, CA, 94720-2020, USA

    Claudio M. Privitera & Lawrence W. Stark

Authors
  1. Claudio M. Privitera
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  2. Lawrence W. Stark
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Correspondence to Claudio M. Privitera.

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Privitera, C.M., Stark, L.W. A Binocular Pupil Model for Simulation of Relative Afferent Pupil Defects and the Swinging Flashlight Test. Biol Cybern 94, 215–224 (2006). https://doi.org/10.1007/s00422-005-0042-8

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  • DOI: https://doi.org/10.1007/s00422-005-0042-8

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