Migraine Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
Healthy Control Group
- People aged 18 to 80 who are generally healthy
- People who have had a normal eye examination within the past year
TBI Patients Without Light Sensitivity or Headache
- People aged 18 to 80 who have had a traumatic brain injury (TBI — an injury to the brain caused by an external force)
- People who do not experience light sensitivity or migraine headaches
Patients With Light Sensitivity Not Caused by TBI
- People aged 18 to 80 who experience light sensitivity, based on their own reported symptoms
- Light sensitivity may or may not have an identified cause (for example, a history of eye inflammation, certain childhood eye conditions, meningitis, radiation, or a tumour)
TBI Patients With Light Sensitivity
- People aged 18 to 80 who have had a traumatic brain injury and whose light sensitivity is believed to be a result of that injury
Who may not be able to join:
- People who have eye or health conditions that affect the retina, optic nerve, or visual pathway, such as glaucoma, optic nerve disease, or retinal disease
- People with diabetes or high blood pressure that is not well managed
- People with a history of head trauma, concussion, or traumatic brain injury (this exclusion applies to the Healthy Control and Non-TBI Light Sensitivity groups only)
- People with a history of neck or spinal injury or surgery (this exclusion applies to the Healthy Control and Non-TBI Light Sensitivity groups only)
- People taking medications or using eye drops that could interfere with how the pupil responds to light or affect muscle measurements — including certain eye drops that affect pupil size, sedatives such as benzodiazepines or barbiturates, or opioid pain medications
- People in the Healthy Control group who experience light sensitivity or migraine headaches
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 319-356-2780
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Correlation of facial responses to light sensitivity; Difference in objective biological markers of light sensitivity between light sensitive and normal subjects
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.