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Proceedings Paper

Experimental investigation on acoustic phenomena induced inside the eyeball by excimer laser ablation of the cornea
Author(s): Roberto Pini; Francesca Rossi; Renzo Salimbeni; Salvatore Siano; Matteo Vannini; Francesco Carones; Giuseppe Trabucchi; Rosario Brancato; Pier Giorgio Gobbi
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Paper Abstract

In this work we studied the propagation of the acoustic wave generated during laser keratectomy with a clinical ArF laser source. In vitro measurements of the temporal pressure profiles induced inside the ocular bulb were performed on porcine eyes with a fast risetime needle hydrophone introduced into the eyeball. Peak pressure values as high as 90 bars have been measured at a laser fluence of 180 mJ/cm2, depending on the diameter of the irradiation spot and on the distance from the surface of the cornea.

Paper Details

Date Published: 10 January 1996
PDF: 5 pages
Proc. SPIE 2632, Lasers in Ophthalmology III, (10 January 1996); doi: 10.1117/12.229584
Show Author Affiliations
Roberto Pini, Istituto di Elettronica Quantistica/CNR (Italy)
Francesca Rossi, Istituto di Elettronica Quantistica/CNR (Italy)
Renzo Salimbeni, Istituto di Elettronica Quantistica/CNR (Italy)
Salvatore Siano, Istituto di Elettronica Quantistica/CNR (Italy)
Matteo Vannini, Istituto di Elettronica Quantistica/CNR (Italy)
Francesco Carones, Istituto Scientifico Ospedal San Rafaele (Italy)
Giuseppe Trabucchi, Istituto Scientifico Ospedal San Rafaele (Italy)
Rosario Brancato, Istituto Scientifico Ospedal San Rafaele (Italy)
Pier Giorgio Gobbi, Istituto Scientifico Ospedal San Rafael (Italy)


Published in SPIE Proceedings Vol. 2632:
Lasers in Ophthalmology III
Reginald Birngruber; Adolf Friedrich Fercher, Editor(s)

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