Understanding the biomechanical role of limbus using optical coherence elastography

Fernando Zvietcovich; Achuth Nair; Manmohan Singh; Salavat R. Aglyamov; Michael D. Twa; Kirill V. Larin

doi:10.1117/12.2579089

5 March 2021 Understanding the biomechanical role of limbus using optical coherence elastography

Fernando Zvietcovich, Achuth Nair, Manmohan Singh, Salavat R. Aglyamov, Michael D. Twa, Kirill V. Larin

Proceedings Volume 11645, Optical Elastography and Tissue Biomechanics VIII; 1164514 (2021) https://doi.org/10.1117/12.2579089
Event: SPIE BiOS, 2021, Online Only

Abstract

The purpose of this study is to evaluate the changes in elasticity of the corneo-scleral limbus when the eye-globe is subjected to different intraocular pressures. Continuous elastic waves were mechanically induced in the sclera and imaged using a phase-sensitive optical coherence tomography system. Experimental results showed a marked heterogeneity of wave speed across the corneal-limbal-scleral region, which increased as a function of IOP. The conclusion of this study reveals that the corneo-scleral limbus tissue is more mechanically nonlinear compared to the cornea and sclera. This suggests that limbus acts as a supporting and accommodating mechanical structure for the cornea.

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Citation Download Citation

Fernando Zvietcovich, Achuth Nair, Manmohan Singh, Salavat R. Aglyamov, Michael D. Twa, and Kirill V. Larin "Understanding the biomechanical role of limbus using optical coherence elastography", Proc. SPIE 11645, Optical Elastography and Tissue Biomechanics VIII, 1164514 (5 March 2021); https://doi.org/10.1117/12.2579089

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