提洛螺旋:准确无误;尸体研究。

IF 0.8 Q4 OPHTHALMOLOGY
Strabismus Pub Date : 2024-06-01 Epub Date: 2024-05-06 DOI:10.1080/09273972.2024.2346548
Eric J Kim, Viren K Rana, Andrew Barton, Surya Khatri, Shivani Rana, Jamie Schaefer
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引用次数: 0

摘要

介绍:Tillaux 螺旋线描述了历史上公认的内侧直肌、下直肌、外侧直肌和上直肌从角膜缘的插入距离,分别为 5.5 毫米、6.5 毫米、6.9 毫米和 7.7 毫米:分别为 5.5 毫米、6.5 毫米、6.9 毫米和 7.7 毫米。历史上公认的成人角膜直径水平方向为 11.7 毫米,垂直方向为 10.6 毫米。我们使用人类尸体的眼睛研究了眼外直肌插入距离角膜缘和角膜直径的变异性,并将我们的测量结果与这些历史公认的测量结果进行了比较:方法: 抽样调查了 60 只眼睛。每只眼睛都进行了 360 周切口,钝性剥离结膜以观察巩膜。使用肌肉钩分离眼外直肌。使用卡尺测量直肌的插入距离和角膜直径:直肌插入角膜缘的平均距离分别为内侧 5.28 毫米、下侧 5.72 毫米、外侧 6.40 毫米和上侧 6.78 毫米。这些插入距离均短于历史基准(P本研究得出结论,与历史上公认的蒂劳氏螺旋测量方法相比,确实存在差异。此外,男性和女性直肌插入点之间也存在明显差异。不过,我们确实证实了直肌遵循了蒂劳氏螺旋所描述的相同螺旋模式,并得出结论认为角膜直径与之前公认的值一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Spiral of Tillaux: dead on accurate; a cadaveric study.

Introduction: The Spiral of Tillaux describes the historically accepted insertion distances of the medial rectus, inferior rectus, lateral rectus, and superior rectus from the limbus: 5.5 mm, 6.5 mm, 6.9 mm, and 7.7 mm, respectively. The corneal diameters are historically accepted to be 11.7 mm horizontally and 10.6 mm vertically in adults. We investigated the variability of the insertion distances of the extraocular rectus muscles from the limbus as well as the corneal diameters using eyes from human cadavers and compared our measurements to these historically accepted measurements.

Methods: A sample of 60 eyes were included. For each eye, a 360 peritomy was conducted and the conjunctiva bluntly dissected to view the sclera. Muscle hooks were utilized to isolate the extraocular rectus muscles. Calipers were used to measure the insertion distances of the rectus muscles as well as the corneal diameters.

Results: The mean rectus muscle insertions distances from the limbus were medial 5.28 mm, inferior 5.72 mm, lateral 6.40 mm, and superior 6.78 mm. These insertion distances were shorter than the historical benchmarks (p < .01). However, observed maximum distances of the rectus muscles were all greater than the historically accepted benchmarks, with the medial, inferior, lateral, and superior rectus muscles being 6.4 mm, 7.3 mm, 7.4 mm, and 7.8 m from the limbus, respectively. The mean width and height of the cornea were 11.7 mm and 10.7 mm, respectively, and similar to the expected ranges.

Conclusion: This study concludes that variability does exist from the historically accepted Spiral of Tillaux measurements. In addition, significant variation exists between male and female rectus muscle insertions. However, we did confirm that the rectus muscles followed the same spiral pattern described by the Spiral of Tillaux and concluded that the corneal diameters are consistent with previously accepted values.

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来源期刊
Strabismus
Strabismus OPHTHALMOLOGY-
CiteScore
1.60
自引率
11.10%
发文量
30
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