白内障超声乳化人工晶状体植入术的麻醉主要以球后和球周麻醉为主。尽管球后麻醉已经安全有效地使用了一个多世纪 ,但有证据表明 ,在少数患者仍可发生潜在的灾难性的并发症。球周麻醉的主要缺点是需要较长时间才能产生麻醉效果。而表面麻醉不仅避免了球后、球周麻醉的诸多并发 Cataract phacoemulsification and intraocular lens implantation anesthesia mainly in the ball and the ball after the week of anesthesia. Although anesthesia has been used safely and effectively for more than a century, there is evidence that potentially catastrophic complications can still occur in a small number of patients. The main disadvantage of periarthritis is that it takes a long time to produce an anesthetic effect. The surface anesthesia not only avoided the ball, the ball many weeks of anesthesia