Bergren R L
Retina-Vitreous Consultants, Pittsburgh, Pa.
Arch Ophthalmol. 1994 Nov;112(11):1485-7. doi: 10.1001/archopht.1994.01090230099029.
Transscleral suture fixation of posterior chamber lenses is a popular recent alternative for avoiding the potential complications of anterior chamber lenses and in the absence of sufficient iris support for an anterior chamber lens. If a posterior chamber lens is fixated by only two points in the ciliary sulcus, the lens may tilt relative to the visual axis, causing clinically significant and possibly uncorrectable astigmatism. Described methods of three- or four-point fixation are technically more difficult and can result in an improperly centered lens. A method is described herein that allows stable four-point fixation with precise lens placement using only two sutures. This method also allows the suture knot to be buried in the eye without the use of scleral flaps.
后房型人工晶状体的经巩膜缝线固定术是一种较新的常用方法，用于避免前房型人工晶状体的潜在并发症，以及在前房人工晶状体缺乏足够虹膜支撑的情况下使用。如果后房型人工晶状体仅在睫状沟的两点固定，晶状体可能相对于视轴倾斜，导致具有临床意义且可能无法矫正的散光。所描述的三点或四点固定方法在技术上更困难，并且可能导致晶状体居中不当。本文描述了一种方法，该方法仅使用两根缝线就能实现稳定的四点固定并精确放置晶状体。该方法还允许在不使用巩膜瓣的情况下将缝线结埋入眼内。
