Journal
CEPHALALGIA
Volume 21, Issue 9, Pages 900-905Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1046/j.1468-2982.2001.00286.x
Keywords
blindness; migraine; visual impairment
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To investigate the relevance of lacking or diminished visual input On the expression of migraine, we evaluated its prevalence and clinical features in a Population of visually impaired subjects. Between September 1999 and April 2000, 203 visually impaired subjects with a headache inventory were surveyed. Those with headache were assessed according to IHS criteria for the presence of migraine. Migraineurs had their symptoms further detailed through an interview and a headache diary. Of the 104 subjects reporting headaches during the last 6 months, 29 had migraine (14.2%). The prevalence of migraine was not influenced by whether the visual impairment was complete or partial. Mean frequency of migraine attacks was 2.7/month. Most subjects (96%) reported severe and/or moderate attacks. Nausea, vomiting,aggravation by activity and phonophobia were reported by 62%, 37.9%, 86.2%, and 96.6% of the subjects, respectively. Visual impairment does not seem to influence prevalence of migraine or its clinical features.
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