title: Torsion and elevation under general anesthesia and during voluntary eyelid closure (Bell phenomenon).
mesh_terms: D000328:Adult; D000768:Anesthesia, General; D002648:Child; D005158:Facial Paralysis / Q000503:physiopathology; D006801:Humans; D013508:Ophthalmologic Surgical Procedures; D014102:Torsion Abnormality