[Horton's disease: ophthalmological and neurological complication]

We report the case of a 74-year-old women admitted to the hospital because of rapidly developing diplopia. The admission anamnesis revealed fronto-temporal headaches and pain in the maxilla for three days. A cerebral cT scan was normal, and a corticosteroid therapy was initiated. Diagnosis of Horton's syndrome was confirmed by the good response to treatment and by biopsy of the temporal artery. Different ocular and neurologic complications of Horton's disease, their clinical appearances and therapeutic measures are discussed by the authors.