Modified technique of blunt cannula retrobulbar anesthesia for vitreoretinal surgery.

We prospectively evaluated a modified version of a previously reported technique of retrobulbar anesthesia for vitreoretinal surgery involving the use of a blunt 19-gauge cannula to directly infuse anesthetic into the retrobulbar space. Using this method, 60 consecutive patients undergoing scleral buckling surgery had effective anesthesia and akinesia, with no complications.