Blepharospasm is a chronic disorder characterized by too many contractions in the muscles around the eye and nearby facial muscles, leading to involuntary eye closure. This study involves a comprehensive evaluation for patients with blepharospasm, other eye and face disorders, and people without any neurologic or eye or face disorders. It addresses abnormal movements of the muscles around the eye, pain in those muscles, psychological accompaniments, and impact on regular daily life. The evaluation for each participant will be done on a single visit, and it may take up to 1.5 hours to complete. Each participant in this study will be asked to do the following: