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Mov Disord. 2012 Feb;27(2):305-7. doi: 10.1002/mds.24026. Epub 2011 Dec 15.

Eye symptoms in relatives of patients with primary adult-onset dystonia.

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Department of Neurosciences and Sensory Organs, School of Motor Sciences, Aldo Moro University of Bari, Bari, Italy.



Using a validated questionnaire, we screened eye symptoms (burning sensation, grittiness, dry eye) in 333 first-degree relatives of 140 probands with different forms of primary adult-onset dystonia, 208 healthy subjects, and 293 patients with primary blepharospasm.


The rate of eye symptoms was similar in the relatives of focal dystonia patients and in healthy subjects (adjusted HR, 1.1; 95% CI, 0.7-1.7; P = .69), thus suggesting a common origin of eye symptoms in both groups. A higher rate was observed in blepharospasm patients (adjusted HR, 2; 95% CI, 1.4-2.9; P < .0001). Relatives of focal dystonia patients who developed blepharospasm were more likely to have preceding eye symptoms than were relatives who developed focal dystonia other than blepharospasm (BSP) or relatives who did not develop dystonia.


Eye symptoms reported by relatives of patients with focal dystonia probably result from eye diseases and are not part of the clinical spectrum of blepharospasm.

[Indexed for MEDLINE]

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