The methodologic quality of clinical trials on regional anesthesia for cataract surgery11This article is based on research conducted by the Johns Hopkins University under contract to the Agency for Healthcare Research and Quality, formerly the Agency for Health Care Policy and Research (contract no.: 290-97-0006). The authors of this article are responsible for its contents, including any clinical or treatment recommendations. No statement in this article should be construed as an official position of the Agency for Healthcare Research and Quality or the United States Department of Health and Human Services.