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首页> 外文期刊>Cornea >Plug surface defects as a late complication of silicone punctal plugs
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Plug surface defects as a late complication of silicone punctal plugs

机译：塞子表面缺陷是硅胶泪点塞的晚期并发症

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摘要

Purpose: To report 3 cases of punctal plug surface defects as a cause of irritation complicating punctal plug therapy. Methods: Interventional case series and scanning electron microscopy (SEM) of punctal plugs. Results: Three patients were found to have punctal plug surface defects and local irritation of conjunctiva and inferonasal cornea 9, 40, and 69 months after placement of AquaFlo silicone punctal plugs for the treatment of dry eyes. SEM of the explanted plugs confirmed a defective collarette surface. In addition, unused AquaFlo plugs from different lots examined by SEM showed a rough irregular collarette surface that was not seen in unused plugs of Parasol silicone punctal plugs. DISCUSSION:: AquaFlo punctal plugs inherently have surface irregularities when compared with similar plug brands, which we suggest may predispose to plug breakdown over time, leading to mechanical irritation of the adjacent conjunctiva and cornea. This report highlights the local complications by AquaFlo punctal plugs associated with plug surface defects as a complication of punctal plug therapy.
机译：目的：报告3例因刺激而使泪点塞治疗复杂化的泪点塞表面缺陷病例。方法：介入病例系列和点状塞扫描电子显微镜（SEM）。结果：3例患者在放置AquaFlo硅胶泪点塞以治疗干眼症后9、40和69个月出现泪点塞表面缺陷以及结膜和鼻下角膜局部刺激。移出的塞子的SEM证实了衣领表面有缺陷。此外，SEM检查的来自不同批次的未使用的AquaFlo塞子显示出粗糙的不规则项圈表面，这在未使用过的Parasol硅胶点状塞子中看不到。讨论：与同等品牌的塞子相比，AquaFlo泪点塞本来就具有表面不规则性，我们建议，随着时间的流逝，塞子可能会导致塞子破裂，从而导致相邻结膜和角膜受到机械刺激。该报告重点介绍了AquaFlo泪点塞引起的局部并发症，该并发症与泪点塞治疗的并发症有关。

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