Limbal sub-Tenon's administration of retrobulbar anesthesia using a blunt irrigating cannula.

  • 1 February 1996
    • journal article
    • Vol. 27  (2) , 106-12
Abstract
To eliminate sharp needles when administering local anesthesia to the eye in order to reduce serious complications caused by needle perforation. After topical anesthesia, limbal conjunctival incision, and sub-Tenon's dissection, a retrobulbar irrigation of an equal mixture of bupivacaine (5 mg/ml) and lidocaine (20 mg/ml) was given using a blunt cannula. The technique was used in both vitreoretinal surgery (n = 70) and anterior segment surgery (n = 235) with good analgesic and akinetic effects. No serious adverse were noted. This proved to be a safe and efficient technique that abandoned the use of sharp needles.

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