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Prevalence of primary blepharospasm in a community of Puglia region, Southern Italy

From the Department of Neurologic and Psychiatric Sciences (Drs. Defazio, Livrea, De Salvia, Martino), University of Bari; Department of Neurology (Drs. Manobianca, Logroscino), "Miulli" Hospital, Casamassima; Department of Preventive Medicine (Dr. Coviello), Andria; Department of Neurology (Dr. Anaclerio), Conversano Hospital; Laboratory of Epidemiology (Dr. Guerra), IRCCS "De Bellis" Castellana; Department of Neurology (Dr. Valluzzi), Putignano Hospital; and the Institute of Neurology (Dr. Liguori), University of Bologna, Italy.

Address correspondence and reprint requests to Dr. Giovanni Defazio, Department of Neurological and Psychiatric Sciences, University of Bari, Piazza Giulio Cesare 11, I-70124 Bari, Italy; e-mail: gdefazio{at}neurol.uniba.it

The authors ascertained the prevalence of primary blepharospasm (BSP) in a community located in Puglia, a region in Southern Italy, by focusing on neurologists and ophthalmologists. The crude prevalence rates were133 per million (95% CI, 61–153) for both focal and segmental BSP, 74 per million (95% CI, 24–173) for focal BSP, and 59 per million (95% CI, 16–151) for segmental BSP. Prevalence rate increased with age. Apraxia of eyelid opening and BSP coexisted in one third of cases.

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