A survey of interaction mechanisms, dosimetry and safety concepts in YAG laser ophthalmic photodisruption

Franco Docchio

doi:10.1117/12.2283602

10 January 1989 A survey of interaction mechanisms, dosimetry and safety concepts in YAG laser ophthalmic photodisruption

Franco Docchio

Author Affiliations +

Proceedings Volume 10305, Dosimetry of Laser Radiation in Medicine and Biology; 103050L (1989) https://doi.org/10.1117/12.2283602
Event: Institutes for Advanced Optical Technologies, 1988, Berlin, Germany

Abstract

We here review a series of basic concepts of laser-ocular media interaction, useful to establish do- simetry and safety criteria in the use of Nd:YAG nanosecond and picosecond photodisruptors. The role of the laser parameters and of the irradiation geometry is discussed in relation to the effective- ness of the disruption procedure and to the associated potential risks. An overview of temporal and spatial dynamics of plasmas in liquids is presented. Emphasis is also given to the risk of intraocular lens rupture during capsulotomy and vitreal surgery. The significance of the data acquired on mo- dels in assessing the dosimetry of laser photodisruptors is discussed. Finally, general safety con- cepts in the use of these instruments are presented.

Citation Download Citation

Franco Docchio "A survey of interaction mechanisms, dosimetry and safety concepts in YAG laser ophthalmic photodisruption", Proc. SPIE 10305, Dosimetry of Laser Radiation in Medicine and Biology, 103050L (10 January 1989); https://doi.org/10.1117/12.2283602

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