Topical subconjunctival anesthesia and peribulbar block were used respectivelyin 30 and 50 consecutive patients undergoing cataract extracapsularextraction and intraocular lens implantation.

• 作者采用局部结膜下麻醉（30例）和球周阻滞（50例）行白内障囊外摘除眼内人工晶体植入手术。