Article topic: Blepharospasm Authors: Noha el Masri, Rawan Chazbek Editor: Lubna AL-Rawabdeh Reviewer: Ethar Hazaimeh Keywords: Blepharospasm, Dystonia, Botulinum Toxin, Blink reflex   Overview Dystonia refers to a movement disorder causing intermittent or sustained muscle contraction, resulting in repetitive movements or postures. Dystonia can affect any...