Key clinical point: Posttraumatic headache is associated with quantitative changes in photosensitivity and allodynia.
Major finding: The median light-induced pain threshold was 90.5 lux in patients and 863.5 lux in controls.
Study details: A pilot study of 20 patients with posttraumatic headache and 20 age-matched healthy controls.
Disclosures: The study was funded through an intramural Mayo Clinic early career research award.
Starling AJ et al. AHS 2019. Abstract OR14.