Blepharospasm is the medical name for a twitching eyelid. The name comes from the words “blepharal,” which means relating to the eyelid, and “spasm,” which is an involuntary muscle contraction.

Injection with botulinum toxin A (BTX-A) for hemifacial spasm (HFS) may have an additional benefit: decreasing unilateral eyelid spasms and intraocular pressure (IOP), according to a small Brazilian ...

Philip Crilly does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...