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比较带袢触觉式人工晶状体和有钩触觉式人工晶状体之间的脱位力。

Comparing dislocation force between a flanged haptics IOL and a harpoon haptics IOL.

作者信息

Zeilinger Johannes, Kronschläger Martin, Schlatter Andreas, Bayer Natascha, Findl Oliver

机构信息

Vienna Institute for Research in Ocular Surgery (VIROS), A Karl Landsteiner Institute, Hanusch Hospital, Vienna, Austria.

Hanusch Hospital, Heinrich-Collin-Strasse 30, Vienna, 1140, Austria.

出版信息

Sci Rep. 2024 Dec 30;14(1):32085. doi: 10.1038/s41598-024-83774-w.

DOI:10.1038/s41598-024-83774-w
PMID:39738780
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11685642/
Abstract

To compare two different secondary IOL fixation techniques, either flanged or hooked, regarding the least required force to dislocate the haptic in human corneoscleral donor tissue (CST). Experimental laboratory investigation. The least required dislocation force (LRDF) of two different fixation techniques, namely the flanged haptics (FH, as described by Yamane) and the harpoon haptic technique (HH, as described by Carlevale) were investigated using 20 three-piece IOLs (KOWA PU6AS) and 20 single-piece IOLs (SOLEKO CARLEVALE) fixated to human scleral tissue. The main outcome, differences in LRDF of the investigated techniques, was measured with a tensiometer. The dislocation force needed to dislocate the flanged haptics was significantly higher (p < 0.001) in the flanged 3-piece IOL (0.93 ± 0.43 N) than the specialized, harpoon haptics single-piece IOL (0.45 ± 0.18 N). During externalization, breakage occurred in three harpoon haptics. However, no breakage was observed in either haptics during dislocation. The flanged haptic technique proved to be the stronger form of secondary IOL fixation regarding dislocation force in this in vitro study. The harpoon haptics fixation technique showed significantly less resistance to axial traction and a susceptibility to breakage during externalization.

摘要

为比较两种不同的人工晶状体（IOL）二期固定技术，即带凸缘或带钩技术，在人角膜巩膜供体组织（CST）中使袢脱位所需的最小力。实验性实验室研究。使用20个三件式IOL（KOWA PU6AS）和20个单件式IOL（SOLEKO CARLEVALE）固定于人巩膜组织，研究两种不同固定技术，即带凸缘袢（FH，如Yamane所述）和鱼叉袢技术（HH，如Carlevale所述）所需的最小脱位力（LRDF）。主要结果，即所研究技术的LRDF差异，用张力计测量。在三件式带凸缘IOL中使带凸缘袢脱位所需的脱位力（0.93±0.43N）显著高于专门的鱼叉袢单件式IOL（0.45±0.18N）（p<0.001）。在外部化过程中，三个鱼叉袢发生断裂。然而，在脱位过程中，两种袢均未观察到断裂。在这项体外研究中，就脱位力而言，带凸缘袢技术被证明是二期IOL固定的更强形式。鱼叉袢固定技术在轴向牵引时的阻力显著较小，且在外部化过程中易发生断裂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/b52a20f3d70e/41598_2024_83774_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/89b727a3c253/41598_2024_83774_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/b52a20f3d70e/41598_2024_83774_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/89b727a3c253/41598_2024_83774_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/dc27827b19a4/41598_2024_83774_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/6c2ac787b493/41598_2024_83774_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/5153f48bf357/41598_2024_83774_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/c6207bcf8e95/41598_2024_83774_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/3e78135cb1fb/41598_2024_83774_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9948/11685642/b52a20f3d70e/41598_2024_83774_Fig7_HTML.jpg

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本文引用的文献

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Am J Ophthalmol. 2024 Aug;264:229-234. doi: 10.1016/j.ajo.2024.03.001. Epub 2024 Mar 10.
2
Dislocation force of scleral flange-fixated intraocular lens haptics.巩膜缘固定型人工晶状体襻脱位力。
BMC Ophthalmol. 2024 Mar 5;24(1):103. doi: 10.1186/s12886-024-03369-x.
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Visual Acuity Outcomes and Complications after Intraocular Lens Exchange: An IRIS® Registry (Intelligent Research in Sight) Analysis.
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Ophthalmology. 2024 Apr;131(4):403-411. doi: 10.1016/j.ophtha.2023.10.021. Epub 2023 Oct 18.
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Outcomes of three-piece rigid scleral fixated intraocular lens implantation in subjects with deficient posterior capsule following complications in manual small incision cataract surgery.手动小切口白内障手术并发症后晶状体后囊不足患者三件式硬性巩膜固定人工晶状体植入的效果
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