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Pressure wave focusing effects following laser medical procedures in human eyes

  • S.I. : Current State-Of-The-Art in Laser Ablation
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Abstract

Comparative analysis of pressure wave propagation, following laser-induced ablation of the human cornea, was performed. Evolution of the pressure field as well as temporal and spatial dependencies of the transient pressure amplitudes created at various input laser parameters, corresponding to different typical procedures of laser eye surgery, is presented comprehensively. The computations were performed with the next generation of the acoustic eye model, previously validated against existing measurements. The analysis allows the assessment of potentially problematic regions within the eye where the resultant positive and/or negative pressure may exceed values which are considered safe for the patient.

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Acknowledgements

The authors acknowledge the financial support from the Slovenian Research Agency (research core Funding Nos. P2-0270, P2-0392 and P2-0263, and Project Nos. L2-6780, L2-8183, L2-9240 and L2-9254). The article is in part the result of the work in the implementation of the SPS Operation entitled Building blocks, tools and systems for future factories—GOSTOP. The work is cofinanced by the Republic of Slovenia and the European Union from the European Regional Development Fund.

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Authors and Affiliations

  1. Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000, Ljubljana, Slovenia

    D. Horvat, T. Požar, B. Starman, M. Halilovič & R. Petkovšek

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  1. D. Horvat
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  2. T. Požar
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  3. B. Starman
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  4. M. Halilovič
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  5. R. Petkovšek
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Correspondence to T. Požar.

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Horvat, D., Požar, T., Starman, B. et al. Pressure wave focusing effects following laser medical procedures in human eyes. Appl. Phys. A 126, 414 (2020). https://doi.org/10.1007/s00339-020-03539-w

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  • DOI: https://doi.org/10.1007/s00339-020-03539-w

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