Article
Sun exposure is an environmental factor for the development of blepharospasm.
Journal of neurology, neurosurgery, and psychiatry - 1 Apr 2016
Molloy Anna, Williams Laura, Kimmich Okka, Butler John S, Beiser Ines, McGovern Eavan, O'Riordan Sean, Reilly Richard B, Walsh Cathal, Hutchinson Michael
Abstract excerpt
BACKGROUND: Adult-onset isolated focal dystonia may present with various phenotypes including blepharospasm and cervical dystonia. Although inherited in an autosomal dominant manner with a markedly reduced penetrance, environmental factors are considered important in disease penetrance and expression. We observed a marked variation by latitude in the reports of the frequency of patients with blepharospasm...
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