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Quality of life in patients with blepharospasm.

The aim of this prospective study was to analyse the quality of life in patients with blepharospasm grade III and IV and to explore whether Botulinum neurotoxin type A treatment improves their quality of life. We used a WHOQOL-BREF questionnaire, based on the existing WHO recommendation and its meaningful metric characteristics. The study included 37 patients with either grade/type III or IV blepharospasm who were treated with Botulinum neurotoxin Type A. Each patient completed the WHOQOL-BREF questionnaire by themselves just before the Botulinum Neurotoxin Type A (BT-A) therapy application, when the clinical symptoms of blepharospasm were most manifest and a month and a half after, when the regression of symptoms appeared. Consequently, the application of BT-A resulted in improved changes in terms of quality of life in 3 of the 4 measured fields (psychical and physical health as well as the environmental living conditions).