Clinical trial for Photophobia
Official title Objectively Diagnose and Monitor Treatment of Light Sensitivity
ClinicalTrials.gov ID: NCT03694626
What this study is testing
- What it's testing
- The goal is to create a new method for diagnosing and tracking light sensitivity using objective body measurements.
- Who it's for
- The study is looking for people who have light sensitivity, migraines, or a history of traumatic brain injury.
- What's involved
- Participants will have their facial features, pupil reactions, eye electrical signals, and nerve responses to light measured.
- Time commitment
- The source text does not specify the duration or number of visits required.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 to 80. Healthy volunteers may be eligible.
You may be able to join if
- Healthy individuals with normal eye exam in the previous year
- Age 18-80
You likely can't join if
- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or...
- Medications or eyedrops that would confound measuring the pupil light reflex and EMG: including topical autonomic drugs that could influence pupil...
- Must not be light sensitive or get migraine headaches TBI patients without photosensitivity or headache: Inclusion Criteria
- Age 18-80
- Traumatic Brain Injury (TBI) Exclusion Criteria
- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or...
See the full eligibility criteria
- Healthy individuals with normal eye exam in the previous year
- Age 18-80
- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or retinal disease, diabetes and/or hypertension that are not well...
- Medications or eyedrops that would confound measuring the pupil light reflex and EMG: including topical autonomic drugs that could influence pupil size, ocular pharmacologic agents, sedative agents (e.g.
- Must not be light sensitive or get migraine headaches TBI patients without photosensitivity or headache: Inclusion Criteria
- Age 18-80
- Traumatic Brain Injury (TBI) Exclusion Criteria
- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or retinal disease, diabetes and/or hypertension that are not well...
- Medications or eyedrops that would confound measuring the pupil light reflex and EMG: including topical autonomic drugs that could influence pupil size, ocular pharmacologic agents, sedative agents (e.g.
- Age 18-80
- Photosensitivity: determined by patient reporting symptoms and there may or may not be an identified cause associated with their light sensitivity (i.e.
- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or retinal disease, diabetes and/or hypertension that are not well...
- Medications or eyedrops that would confound measuring the pupil light reflex and EMG: including topical autonomic drugs that could influence pupil size, ocular pharmacologic agents, sedative agents (e.g.
- Age 18-80
- Photosensitivity: determined by patient reporting symptoms and cause associated with their light sensitivity is post TBI
- TBI Exclusion Criteria \- History of eye or systemic disorder that affect the retina, optic nerve, visual pathway, or pupil defect: including glaucoma, optic neuropathy, or retinal disease, diabetes and/or hypertension...
The study team makes the final eligibility decision.
Where it is enrolling
- Iowa City, Iowa, United States
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years to 80 years. Healthy volunteers may be eligible. The study team makes the final eligibility decision.
Where is this trial taking place?
This study is enrolling now at Iowa City, Iowa, United States. Enter your location above to see the nearest enrolling site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.