The Migraine Eye: Distinct Rod-Driven Retinal Pathways' Response to Dim Light Challenges the Visual Cortex Hyperexcitability Theory
Migraine-type photophobia, most commonly described as exacerbation of headache by light, affects nearly 90% of the patients. It is the most bothersome symptom accompanying an attack. Using subjective psychophysical assessments, we showed that migraine patients are more sensitive to all colors of light during ictal than during interictal phase and that control subjects do not experience pain when exposed to different colors of light. Read the abstract.