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 body part whether an isolated region (focal dystonia) or multiple regions [1]. The most common types of dystonia are the ones involving one region of the body such as cervical dystonia in the neck, blepharospasm around the eyes, and writer’s cramp in the upper limb [2]. Blepharospasm is a form of focal cranial dystonia […]