首页> 美国卫生研究院文献>Journal of Ophthalmology >The Correlation Analysis between Corneal Biomechanical Properties and the Surgically Induced Corneal High-Order Aberrations after Small Incision Lenticule Extraction and Femtosecond Laser In Situ Keratomileusis
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The Correlation Analysis between Corneal Biomechanical Properties and the Surgically Induced Corneal High-Order Aberrations after Small Incision Lenticule Extraction and Femtosecond Laser In Situ Keratomileusis

机译:小切口小晶状体摘除和飞秒激光原位角膜磨镶术后角膜生物力学特性与手术诱导的角膜高阶像差的相关性分析

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摘要

Background. To investigate the correlation between corneal biomechanics and the surgically induced corneal high-order aberrations (HOAs) after small incision lenticule extraction (SMILE) and femtosecond laser in situ keratomileusis (FS-LASIK). Methods. A total of 150 right myopic eyes that underwent SMILE or FS-LASIK surgery were included in this retrospective study, 75 eyes in each group. The corneal hysteresis (CH) and the corneal resistance factor (CRF) with the corneal HOAs of the anterior, posterior, and total cornea were assessed preoperatively and three months postoperatively. Multivariate linear regression was applied to determine the correlations. Results. The preoperative CRF was significantly correlated with the induced 3rd–6th-order HOAs and spherical aberration of the anterior surface and the total cornea after SMILE and FS-LASIK surgeries (P < 0.05), postoperatively. The CRF was significantly correlated with the induced vertical coma of the anterior and posterior surfaces and the total cornea after SMILE surgery (P < 0.05). There was a significant correlation between the CRF and the induced posterior corneal horizontal coma after FS-LASIK surgery (P = 0.013). Conclusions. The corneal biomechanics affect the surgically induced corneal HOAs after SMILE and FS-LASIK surgery, which may be meaningful for screening the patients preoperatively and optimizing the visual qualities postoperatively.
机译:背景。目的探讨小切口皮孔摘除术(SMILE)和飞秒激光原位角膜磨镶术(FS-LASIK)后角膜生物力学与手术诱发的角膜高阶像差(HOA)之间的相关性。方法。这项回顾性研究共纳入了150例接受SMILE或FS-LASIK手术的右近视眼,每组75眼。术前和术后三个月评估角膜滞后(CH)和角膜阻力因子(CRF)以及前,后和总角膜的角膜HOA。应用多元线性回归确定相关性。结果。术后SMILE和FS-LASIK手术后,术前CRF与诱导的3-6级HOA以及前表面和总角膜的球面畸变显着相关(P <0.05)。 CRF与SMILE手术后诱发的前后表面垂直昏迷以及整个角膜显着相关(P <0.05)。 FS-LASIK手术后,CRF与诱发的角膜后水平昏迷之间存在显着相关性(P = 0.013)。结论。角膜生物力学影响SMILE和FS-LASIK手术后手术诱导的角膜HOA,这对于术前筛查患者和优化术后视觉质量可能具有重要意义。

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