Your face could reveal hidden light sensitivity – no words needed
NCT ID NCT03694626
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aims to create an objective way to diagnose and monitor light sensitivity by measuring facial features, pupil reactions, and nerve responses to light. Researchers will compare 120 people with and without light sensitivity (due to traumatic brain injury or migraine) to find reliable biological markers. The goal is to replace subjective reports with a simple, accurate test.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Iowa Health Care
RECRUITINGIowa City, Iowa, 52242, United States
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