Aura-like features and photophobia in sightless migraine patients.

Unlabelled: Migraine is a central nervous system disorder frequently expressed with paroxysmal visual dysfunctions.

Objective: To test the hypothesis that normal visual input is vital for the migrainous aura and photophobia.

Method: We studied the migraine-related visual disturbances in 8 sightless migraineurs identified among 200 visually impaired subjects.