title: An ophthalmologist's view of headache.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003027:Cluster Headache / Q000175:diagnosis; D005260:Female; D006261:Headache / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000175:diagnosis; D009885:Ophthalmology; D014786:Vision Disorders / Q000209:etiology*