American Society of Anesthesiologists Physical Status Classification System Is Not a Risk Classification System

To the Editor:-We read with interest the article by Ripart et al. 1 that provides clinical evidence to conclude that single-injection, high-volume medial canthus episcleral anesthesia is an efficient and safer alternative to peribulbar anesthesia. The salient features of their method are the injection of a relatively high volume (8 -10 ml) of anesthetic solution and the use of adjuncts, such as clonidine premed-