This trial will test a new way of diagnosing and treating light sensitivity and headache by measuring a person's facial features, pupil responses, retinal electrical responses, and autonomic nerve responses to light.
2 Primary · 2 Secondary · Reporting Duration: 1 Day
120 Total Participants · 5 Treatment Groups
Primary Treatment: Healthy Control subjects · No Placebo Group · N/A
Age 18 - 80 · All Participants · 2 Total Inclusion CriteriaMark “Yes” if the following statements are true for you: