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A geometry method for evaluating the values of intraocular lens tilt and decentration

机译：一种评估眼内透镜倾斜和折叠值的几何方法

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PURPOSE: To propose a new method to evaluate the values of intraocular lens (IOL) tilt and decentration with anterior segment optical coherence tomography (AS-OCT). METHODS: Based on postoperative anterior segment images of IOL from two patients, the values of IOL tilt and decentration were evaluated through curve fitting, image registration and basic geometric theories. RESULTS: The angles of IOL tilt were 2.200 degrees and 2.688 degrees respectively, and the length of IOL decentration were 0.555 mm and 0.474 mm, which were all credible, compared with clinical observations. CONCLUSIONS: Our Geometry-based method to evaluate the values of IOL tilt and decentration might be reasonable and simple with a good repeatability, which may be proved available in other circumstances — IOL implanting and evaluating the different effects on various types of IOL implantation.
机译：目的：提出一种新方法来评估与前段光学相干断层扫描（AS-OCT）的倾斜和折叠的倾斜和折叠的值。方法：根据来自两个患者的IOL术后前段图像，通过曲线拟合，图像配准和基本几何理论评估IOL倾斜和折叠的值。结果：IOL倾斜的角度分别为2.200度和2.688度，IOL折叠的长度为0.555毫米，0.474毫米，与临床观察相比，这一切都是可信的。结论：我们基于几何的方法来评估IOL倾斜和折叠的值可能是合理的，并且具有良好的重复性，可以在其他情况下可用 - IOL植入和评估各种类型的IOL植入的不同影响。

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