Smyk A, Kropińska E, Orzałkiewicz A
Kliniki Okulistycznej AM w Bydgoszczy.
Klin Oczna. 1998;100(2):101-5.
To assess the effect of the type of corneal incision and its closure on astigmatism after cataract extraction.
Induced astigmatism was evaluated in 94 eyes after cataract extraction with IOL implantation 7 days, 1 month, 3 months, 6 months and 12 months after operation. 3 groups: were compared I--after extracapsular extraction with corneo-scleral incision (10 h-2 h) and continuous cross-like suture, II--after phacoemulsifications with scleral tunnel incision (3.3 mm) without suture.
The highest induced astigmatism was observed 7 days after surgery in patients with the longest corneo-scleral incision with suture (group I). Induced astigmatism gradually decreased in time. In group after phacoemulsification especially with no suture low astigmatism with prompt stabilization was observed.
The length and type of closure of the incision have an essential effect on induced astigmatism. Small incision, especially without suture induces minimal early postoperative astigmatism which remains stabile.
评估白内障摘除术后角膜切口类型及其闭合方式对散光的影响。
对94只眼在白内障摘除联合人工晶状体植入术后7天、1个月、3个月、6个月和12个月时的诱导散光进行评估。比较3组：I组——行囊外摘除术，采用角巩膜切口（10h - 2h）并连续十字形缝合；II组——行超声乳化术，采用巩膜隧道切口（3.3mm）且不缝合。
在缝合的最长角巩膜切口患者中（I组），术后7天观察到最高的诱导散光。诱导散光随时间逐渐降低。在超声乳化组，尤其是不缝合的情况下，观察到低散光且迅速稳定。
切口的长度和闭合方式对诱导散光有重要影响。小切口，尤其是不缝合，术后早期诱导散光最小且保持稳定。
