Hysteresis in vibrational resonance modes of model corneas measured with Optical Coherence Tomography Vibrography utilizing a co-axial acoustic stimulation technique and pre-compensation

Ryan McAuley; A. Nolan; A. Curatolo; S. Alexandrov; F. Zvietcovich; A. Varea; S. Marcos; S. Marcos; J. S. Birkenfeld; M. Leahy

doi:10.1364/OCT.2022.CTu4E.4

Biophotonics Congress: Biomedical Optics 2022 (Translational, Microscopy, OCT, OTS, BRAIN)
Technical Digest Series (Optica Publishing Group, 2022),
paper CTu4E.4
•https://doi.org/10.1364/OCT.2022.CTu4E.4

Hysteresis in vibrational resonance modes of model corneas measured with Optical Coherence Tomography Vibrography utilizing a co-axial acoustic stimulation technique and pre-compensation

Ryan McAuley, A. Nolan, A. Curatolo, S. Alexandrov, F. Zvietcovich, A. Varea, S. Marcos, J. S. Birkenfeld, and M. Leahy

Optical Coherence Tomography 2022

Fort Lauderdale, Florida United States
24–27 April 2022
ISBN: 978-1-957171-03-6

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Optical Coherence Elastography (CTu4E)

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R. McAuley, A. Nolan, A. Curatolo, S. Alexandrov, F. Zvietcovich, A. Varea, S. Marcos, J. S. Birkenfeld, and M. Leahy, "Hysteresis in vibrational resonance modes of model corneas measured with Optical Coherence Tomography Vibrography utilizing a co-axial acoustic stimulation technique and pre-compensation," in Biophotonics Congress: Biomedical Optics 2022 (Translational, Microscopy, OCT, OTS, BRAIN), Technical Digest Series (Optica Publishing Group, 2022), paper CTu4E.4.

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Abstract

In this study, the resonance mode frequencies of two model corneas were acoustically stimulated and measured with optical coherence tomography vibrography. Cycling the intraocular pressure resulted in observable hysteresis in resonance frequencies.

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