Objectively Diagnose and Monitor Treatment of Light Sensitivity

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-80
SponsorRandy Kardon

About this trial

The purpose of this project is to provide a new framework for diagnosing and monitoring treatment of light sensitivity and headache by objective measurement of facial features, pupil responses, retinal electrical responses and autonomic nerve responses to light.

Eligibility criteria

Qualifiers

Healthy individuals with normal eye exam in the previous year

Age 18-80

Disqualifiers

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 controlled, history of head trauma, concussion, or TBI, history of cervical or spinal injury/surgery

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. benzodiazepines or barbiturates), opioid narcotics

Must not be light sensitive or get migraine headaches

Age 18-80

Trial design

Treatments tested in this trial

  • Pupillography
  • Ocular Coherence Tomography (OCT)
  • Wrist-watch sensor device
  • Videography
  • Electrophysiology

Treatment groups

120 Participants
are divided into 5 treatment groups

Sponsors and collaborators

Randy Kardon

Lead sponsor

University of Iowa

Sponsor institution