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Anesthetic delivery system reduces pain during eyelid injections

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A microprocessor-controlled delivery system significantly reduced the pain associated with local anesthetic injections in the eyelid, a study found.

Robert E. Gausas, MD, of the Scheie Eye Institute, and colleagues randomly assigned 30 patients to be anesthetized via the CompuMed system, featuring the Wand, from Milestone Scientific or traditional manual syringe techniques. All patients were undergoing minor eyelid procedures.

After surgery, patients in the Wand group reported significantly less pain during injection: 1.5 vs. 3.2 for the syringe group, measured using a 10-point Visual Analog Scale (P < .01). The Wand group also reported feeling pain for only 1.5 seconds compared with 34 seconds for the syringe group (P < .01), according to the study authors.

Patients anesthetized with the Wand "appeared to feel pain from the initial needle stick, but not during the actual injection," the authors said.

The study is published in the January/February issue of Ophthalmic Plastic and Reconstructive Surgery.