The effect of adding hyaluronidase to regional ophthalmic anaesthesia with etidocaine 1.5% was examined. Two studies were performed in a double-blind fashion. In Study #1, 70 patients were given peribulbar anaesthesia with etidocaine either with or without hyaluronidase (7.5 IU.ml-1) using a standard intraorbital injection and separate lid injections. The block was supplemented as needed. Lower...

AIMS To test if the simple technique of warming lignocaine reduces the pain of injection during local anaesthetic cataract surgery. METHODS Sixty patients undergoing peribulbar local anaesthesia for cataract surgery were allocated randomly to receive either warm (37 degrees C) or cold (room temperature) plain 2% lignocaine for the injection. Pain was assessed subjectively by asking the patien...

877 October 2014 A PATIENT presented for enucleation of a blind, painful eye. After sedation, an appropriate orbital-rated 12–6 MHz L-25 ultrasound transducer (Sonosite, Bothell, WA) was positioned obliquely on the upper eyelid. The orbit and adnexa were identified, and a retrobulbar block was performed via an infero-temporal approach.1 The needle’s final position was confirmed on ultrasound. T...