Müller-Jensen K, Fischer P, Siepe U
Augenklinik, Städtisches Klinikum Karlsruhe.
Ophthalmologe. 1999 Jul;96(7):432-6. doi: 10.1007/s003470050432.
To prevent surgically induced astigmatism following clear corneal cataract surgery.
Limbal relaxing incisions of 6 or 8 mm length respectively and 0.5 mm depth were performed in 52 patients with spheric cornea or astigmatism with the rule of 0.8 +/- 0.3 dpt after temporal corneal cataract incision. The same amount of patients, operated on with the same surgical procedure except keratotomies, served as control.
After 6 months the with-the-wound-change (WTW) in the LRI axis using the Hollady method was -0.08 +/- 0.5 dpt in the spheric cases with limbal keratotomy and +0.5 +/- 0.7 dpt in the control cases. The patients with preoperative astigmatism with the rule showed a WTW in the LRI axis of -0.09 +/- 0.5 dpt in the keratotomy cases and +0.39 +/- 0.7 dpt in the corresponding control patients.
Limbal relaxing incision is a reliable and safe procedure to reduce postoperative astigmatism after cataract surgery.
预防透明角膜白内障手术后手术引起的散光。
对52例球形角膜或顺规散光且散光度数为0.8±0.3 dpt的患者，在颞侧角膜白内障切口后分别进行长度为6或8 mm、深度为0.5 mm的角膜缘松解切口。同等数量的患者接受相同手术操作（除角膜切开术外）作为对照。
6个月后，采用霍拉迪方法测量，角膜缘切开术的球形角膜病例中，角膜缘松解切口（LRI）轴向上的伤口相关变化（WTW）为-0.08±0.5 dpt，对照病例中为+0.5±0.7 dpt。术前顺规散光患者中，角膜切开术病例的LRI轴向上WTW为-0.09±0.5 dpt，相应对照患者为+0.39±0.7 dpt。
角膜缘松解切口是一种可靠且安全的减少白内障手术后散光的方法。
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