1. Currently wearing a spectacle tint specifically prescribed for migraine or light sensitivity

2. Pregnant

3. Unwilling or unable in the judgment of the investigator to complete the study

4. Unavailable for any of the study visits

5. Light sensitive conditions: meningitis, iritis, blepharospasm

6. Degenerative diseases of the retina or optic nerve: diabetic retinopathy, ischemic optic neuropathy

7. Medications known to affect retinal or optic nerve function: hydroxychloroquine, chloroquine, ethambutol, amiodarone, erectile dysfunction drugs

8. Best corrected visual acuity less than 20/40 in either eye

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Patients With Migraine