Thornton S P
Department of Ophthalmology, Baptist Hospital, Nashville, Tennessee.
J Cataract Refract Surg. 1990 Jul;16(4):430-5. doi: 10.1016/s0886-3350(13)80795-x.
Despite the use of small incisions, better wound closure, and other technical improvements in cataract and corneal surgery, astigmatism remains a problem for the cataract and refractive surgeon. Case reports illustrate the applicability of astigmatic keratotomy in post-cataract and idiopathic astigmatism. The basic concepts of corneal relaxing incisions are reviewed and the frequently misunderstood coupling phenomenon is explained in the light of the "law of elastic domes." Properly used, astigmatic keratotomy with coupling effectively corrects a wide variety of types of astigmatism.
尽管在白内障和角膜手术中采用了小切口、更好的伤口闭合以及其他技术改进，但散光对于白内障和屈光手术医生来说仍然是个问题。病例报告说明了散光性角膜切开术在白内障术后和特发性散光中的适用性。回顾了角膜松解切口的基本概念，并根据“弹性穹顶定律”解释了经常被误解的耦合现象。正确使用时，伴有耦合的散光性角膜切开术能有效矫正多种类型的散光。
