用太阳光与黎波黄素进行角质交联

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Updated: Jul 26, 2025

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

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Published on: April 3, 2016

Emilio A Torres-Netto¹, Hormoz Abdshahzadeh, Nan-Ji Lu

¹From the Ocular Cell Biology Group, Center for Applied Biotechnology and Molecular Medicine, University of Zurich, Zurich, Switzerland (Torres-Netto, Abdshahzadeh, Abrishamchi, Hillen, F. Hafezi); ELZA Institute AG, Dietikon, Switzerland (Torres-Netto, Abdshahzadeh, Lu, Abrishamchi, Hillen, N. Hafezi, F. Hafezi); Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil (Torres-Netto); Faculty of Medicine, University of Geneva, Geneva, Switzerland (Torres-Netto, N. Hafezi, Koppen, F. Hafezi); Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium (Lu, Koppen); Department of Ophthalmology, Antwerp University Hospital, Edegem, Belgium (Lu); Computer Vision Laboratory, Department of Information Technology and Electrical Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland (Kling); Department of Ophthalmology, University of Southern California, Los Angeles, California (F. Hafezi); School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China (F. Hafezi).

Journal of cataract and refractive surgery

|June 21, 2023

概括

暴露在阳光下,里波弗拉浸泡的角膜增加了硬度,类似于角膜交叉连接 (CXL). 这表明,阳光可能提供一种不那么侵入性的CXL替代品,使用口服里波弗拉和分成的光照.

科学领域:

眼科医生眼科眼科
生物技术是生物技术.
生物材料科学生物材料科学

背景情况:

角膜交叉连接 (CXL) 是一种标准的程序,用于硬角膜.
目前的CXL方法使用里波弗拉和UV-A光.
研究替代CXL方法对于改善患者的治疗结果至关重要.

研究的目的:

为了确定阳光是否可以诱导含有利博黄素的角膜的生物机械硬化.
为了比较阳光诱导的硬与基于UV-A光的CXL.

主要方法:

在一项实验研究中使用了猪眼睛.
测量了角膜肌瘤中的 рибофлавин度.
脱上皮的角膜被浸泡在里波弗拉 (0.1%或0.5%) 中,并暴露在阳光下.
弹性模量计算以评估角膜硬度.

主要成果:

与对照组相比,暴露在阳光下显著增加了与 рибофлавин浸泡的角膜的角膜硬度.
较高的 рибофлавин度 (0.5%) 并没有导致明显更大的硬化比0.1%.
一个趋势表明,长时间的紫外线A暴露与0.1%的 рибофлавин可能会增强硬化.

结论:

暴露在阳光下,可以有效地使黄素浸泡的角膜变硬.
这一发现支持太阳光作为一种不那么侵入性的CXL技术的潜力.
口服 рибофлавин 和分成部分的阳光暴露可能代表新的,不那么侵入性的CXL方法.

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