title: Essential blepharospasm.
mesh_terms: D000368:Aged; D005141:Eyelid Diseases / Q000188:drug therapy / Q000209:etiology*; D005260:Female; D006801:Humans; D012256:Riboflavin / Q000627:therapeutic use; D012257:Riboflavin Deficiency / Q000150:complications
chemical_list: D012256:Riboflavin