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动态评估角膜交叉连接和透扩散效应使用光学连贯弹性学

Matteo Frigelli1, Philippe Büchler1, Sabine Kling2

  • 1ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland.

Scientific reports
|July 18, 2024
PubMed
概括

光学连贯弹性图 (OCE) 有效量化了来自保存溶液和交叉连接 (CXL) 的动态角膜变形. 这种高分辨率的技术揭示了微妙的生物力学变化,这对于实验评估至关重要.

关键词:
角膜交叉连接的交叉连接角质的保护媒介是角质的保护媒介.高分辨率的动态分析.光学连贯性弹性图形学奥斯摩斯效应的作用

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相关概念视频

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...