TY - JOUR T1 - Bilateral optic neuropathy following unilateral retrobulbar anaesthesia: a case report JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 439 LP - 440 DO - 10.1136/jnnp-2012-304283 VL - 84 IS - 4 AU - Kate E Ahmad AU - D Craig McColl AU - Martin Duncan AU - Christian J Lueck Y1 - 2013/04/01 UR - http://jnnp.bmj.com/content/84/4/439.abstract N2 - An 82-year-old man was referred with acute bilateral visual loss. He had multiple vascular risk factors and was taking warfarin. On the day of presentation, he had been admitted elsewhere for elective extraction of a right-sided cataract. Retrobulbar anaesthesia comprised a single injection of 4 ml of 1% lignocaine/2% ropivacaine using a 38 mm 25-gauge needle inserted into the infero-temporal orbit, aiming for the peribulbar space. Fifteen minutes after anaesthesia, he complained of complete loss of vision. Formal examination demonstrated no perception of light in either eye. Anterior chambers and fundi were unremarkable. There was no pupillary response to light in the right eye, and only a very sluggish response in the left eye. Extraocular movements were globally impaired on the right in keeping with the intended … ER -