title: Complications after sub-Tenon's eye block.
abstract: The use of blunt instead of sharp needles for ophthalmic local anesthesia techniques has reduced the incidence of injury to intra-orbital structures. This case review of complications from blunt needle sub-Tenon's block suggests that sight-threatening or even life-threatening complications can still occur.
authors.affiliation: Department of Anesthesia, Moorfields Eye Hospital, London, United Kingdom. HeinrichRuschen@yahoo.co.uk
authors.forename: Heinrich
authors.initials: H
authors.lastname: Rüschen
authors.forename: Fion D
authors.initials: FD
authors.lastname: Bremner
authors.forename: Caroline
authors.initials: C
authors.lastname: Carr
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001763:Blepharoptosis / Q000601:surgery; D001933:Brain Stem / Q000502:physiology; D002387:Cataract Extraction; D005123:Eye; D005130:Eye Hemorrhage / Q000209:etiology / Q000473:pathology; D005131:Eye Injuries / Q000209:etiology; D005260:Female; D006801:Humans; D019654:Lens Implantation, Intraocular; D008297:Male; D009339:Needles / Q000009:adverse effects; D009407:Nerve Block / Q000009:adverse effects* / Q000379:methods; D013508:Ophthalmologic Surgical Procedures / Q000009:adverse effects* / Q000379:methods; D020221:Optic Nerve Injuries / Q000209:etiology / Q000473:pathology; D011625:Pterygium / Q000601:surgery