Shanxi Eye Hospital.
The First Hospital of Shanxi Medical University.
Medicine (Baltimore). 2021 Jan 15;100(2):e24109. doi: 10.1097/MD.0000000000024109.
To introduce a limbus-centered continuous circular capsulorhexis (CCC) marking technique.Compared with traditional capsulotomy diameter mark technique, a self-designed limbus-centered capsulotomy mark (LCM) was used to perform the routine cataract surgery in this observational study. Ten eyes were included in each group. The area outer/inner 5.5-mm CCC ring, the furthest/nearest distance from the capsule margin to the intraocular lens (IOL) margin, the CCC total coverage IOL area were measured and compared between this 2 groups.No significant differences were found for all the comparison parameters between the 2 groups (all P > .05). However, the capsule total coverage area, area inner 5.5-mm ring was lower in the LCM group, which demonstrated advantage of LCM.The limbus-centered capsulotomy diameter mark, as an inexpensive and convenient method, helps to perform limbus-centered capsulorhexis with not only a 360° overlapping capsular edge but also well-centered IOL optics.
引入以角膜缘为中心的连续环形撕囊（CCC）标记技术。与传统的囊切开直径标记技术相比，本观察性研究中使用了自行设计的以角膜缘为中心的囊切开标记（LCM）来进行常规白内障手术。每组纳入 10 只眼。比较两组的 5.5mm 外环/内环 CCC 环面积、距囊边缘至人工晶状体（IOL）边缘的最远距离/最近距离、CCC 总覆盖 IOL 面积。两组所有比较参数均无统计学差异（均 P＞.05）。然而，LCM 组的囊总覆盖面积和内环 5.5mm 环面积较小，这表明 LCM 具有优势。以角膜缘为中心的囊切开直径标记是一种经济方便的方法，有助于进行以角膜缘为中心的撕囊术，不仅可以获得 360°重叠的囊边缘，而且可以使 IOL 光学中心良好居中。
