ISSN:
1741-0444
Keywords:
Electromagnetic-wave effects
;
Eye
;
Laser
;
Thermoelastic vibration
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
Notes:
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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02442531
