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眼生物力学材料属性在体测量方法研究进展

Advances in in vivo Measurement Methods for Ocular Biomechanical Material Properties

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【作者】 李琦王俊杰王柯皓蓝公仆邱坤良王大江王晓飞

【Author】 LI Qi;WANG Junjie;WANG Kehao;LAN Gongpu;QIU Kunliang;WANG Dajiang;WANG Xiaofei;School of Biological Science and Medical Engineering, Beihang University;Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beihang University;Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University;Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University,State Key Laboratory of Ophthalmology,Optometry and Visual Science;School of Engineering Medicine, Beihang University;School of Physics and Optoelectronic Engineering, Foshan University,Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology;Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong;Department of Ophthalmology, Chinese PLA General Hospital;

【通讯作者】 王晓飞;

【机构】 北京航空航天大学生物与医学工程学院北京航空航天大学生物力学与力生物学教育部重点实验室北京航空航天大学北京市生物医学工程高精尖创新中心北京航空航天大学医学科学与工程学院温州医科大学附属眼视光医院,国家眼部疾病临床医学研究中心佛山大学物理与光电工程学院,粤港澳智能微纳光电技术联合实验室汕头大学香港中文大学联合汕头国际眼科中心中国人民解放军总医院眼科医学部

【摘要】 角膜、巩膜和视神经乳头(optic nerve head, ONH)是维持眼部结构与视觉功能的关键组织。近年来,青光眼、圆锥角膜和高度近视均被证实与这些组织的生物力学变化密切相关。本文综述了在体眼生物力学材料属性的主要测量方法。外部主动加载的直接测量方法已形成成熟指标体系,但结果常受眼压和角膜厚度影响。无外部加载的直接测量方法在舒适度和安全性上具有优势,但受限于信号衰减与噪声干扰。患者特异性间接反演方法可实现个体化、非线性、各向异性材料属性识别,尤其在巩膜与ONH评估中彰显价值,但因模型复杂度较高、计算耗时较长,其临床应用受到限制。总体而言,在体测量正依托成像技术进步、计算能力提升,以及人工智能与多模态方法的协同发展不断推进,其临床价值有望进一步凸显。

【Abstract】 The cornea, sclera, and optic nerve head(ONH) are critical tissues for maintaining ocular structural integrity and visual function. In recent years, glaucoma, keratoconus, and high myopia have been confirmed to be closely associated with biomechanical alterations in these tissues. This review summarizes the main approaches for in vivo measurement of ocular biomechanical material properties. Externally induced direct measurement methods have established relatively mature index systems, but their results are often affected by intraocular pressure and corneal thickness. Non-loading direct measurement methods offer advantages in patient comfort and safety, yet remain limited by signal attenuation and noise. Patient-specific indirect inversion methods enable individualized, nonlinear, and anisotropic material property identification, showing particular values in the evaluation of the sclera and ONH, though their high model complexity and computational demands restrict clinical feasibility. Overall, in vivo measurement is advancing with improvements in imaging technologies, computational power, and the synergistic development of artificial intelligence and multimodal approaches, and its clinical values are expected to become increasingly prominent.

【基金】 国家自然科学基金项目(12472304,12272030,62575066);广东省基础与应用基础研究基金(2024A1515011344)
  • 【文献出处】 医用生物力学 ,Journal of Medical Biomechanics , 编辑部邮箱 ,2026年01期
  • 【分类号】R318.01;R77
  • 【下载频次】28
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