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Article
November 1991

An Alternative Technique of Local Anesthesia for Vitreoretinal Surgery

Author Affiliations

From the Department of Ophthalmology, Retina Service, Washington (DC) Hospital Center. Dr Friedberg is now with the Department of Ophthalmology, Riverview Medical Center, Red Bank, NJ.

Arch Ophthalmol. 1991;109(11):1615-1616. doi:10.1001/archopht.1991.01080110153055
Abstract

• Retrobulbar anesthesia produces effective local anesthesia for ocular surgery, but significant complications have been reported with its use. To maintain its efficacy and to minimize the risks associated with the passage of a needle behind the eye, we have placed local anesthesia into sub-Tenon's space posteriorly using a blunt irrigating cannula in 100 patients undergoing vitreous or retinal procedures. Posterior Tenon's capsule is opened by blunt dissection, allowing the irrigating cannula to be passed into the posterior sub-Tenon's space for anesthetic injection. The technique was effective in 98 of 100 patients, and no morbidity was associated with its use.

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