Sub-Tenon's anesthesia: an update

b-Tenon's anesthesia: an update Review (2030) Total Article Views Authors: Guise P Published Date June 2012 Volume 2012:5 Pages 35 - 46 DOI: http://dx.doi.org/10.2147/LRA.S16314 Received: 14 February 2012 Accepted: 14 March 2012 Published: 21 June 2012 Philip Guise Auckland City Hospital, Auckland, New Zealand Abstract: Sub-Tenon's block has become the most common technique of orbital regional anesthesia in many centers. It provides effective anesthesia to the orbit with a lower incidence of sight-threatening complications than sharp needle techniques. This article will discuss the relevant anatomy, finer points of sub-Tenon's block technique, and the evidence supporting its safety.