PURPOSE In the present study, we investigated the treatment efficacy and clinical outcomes of botulinum neurotoxin-A (BoNT-A) administered for longer than 5 years to patients with essential blepharospasm. METHODS We retrospectively reviewed 19 patients (male : female = 8 : 11) diagnosed with essential blepharospasm between March 2006 and July 2016 who underwent BoNT-A injections for over 5 ye...

BACKGROUND Dystonia is a neurological disorder usually of idiopathic etiology with a wide spectrum of clinical manifestations. The advent of botulinum toxin has revolutionized the treatment of focal dystonias. This study was a prospective long term study to see the efficacy of botulinum toxin in the treatment of dystonias. MATERIAL AND METHODS There were a total of 215 injection sessions of b...