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Electromagnetic-wave induced vibrations in the ocular region of the eye

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Abstract

The ocular region of the eye from the surface of the cornea to the retina is subjected to thermal stresses when radiating energy from a laser beam is incident on it. The absorbed energy represents a volume heat source which depends upon space and time. Acoustic waves are generated by the thermoelastic expansion of the biological material as well as by the electrostriction, caused by higher values of the fields. Assuming the eyeball to be a perfect sphere, the equation of inhomogeneous thermoelastic motion is solved to obtain the parameters of the acoustic wave generated under constrained surface conditions. The results indicate that the acoustic signal is a function of the eye and the acoustic properties of eye tissues only.

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Authors and Affiliations

  1. Electronics and Communication Department, College of Engineering, Perarignar Anna University of Technology, Guindy, 600 025, Madras, India

    F. F. Papa

  2. Department of Electronics Engineering, Madras Institute of Technology Campus, Perarignar Anna University of Technology, Chromepet, 600 044, Madras, India

    R. Sethuraman

Authors
  1. F. F. Papa
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  2. R. Sethuraman
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Papa, F.F., Sethuraman, R. Electromagnetic-wave induced vibrations in the ocular region of the eye. Med. Biol. Eng. Comput. 20, 749–755 (1982). https://doi.org/10.1007/BF02442531

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  • DOI: https://doi.org/10.1007/BF02442531

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