As a consequence of pigmentation inhomogeneities and/or different vascularizations of the retinal tissue, retinal laser thermo-treatments are often over- or underexposed. Our study is focused on the determination of suitable parameters to identify a convenient end-point of the laser treatment. The proposed method is based on the analysis of the temporal fluctuations of the scattered light intensity from the spot area. Motion of molecules and thus frequency of the scattered light fluctuations changes during the laser exposure due to variations of temperature, blood flow and optical parameters, i.e. absorption and scattering coefficient.

Optical monitoring of the chorioretinal status during retinal laser thermotherapy / Rovati, Luigi; Nicola, Zambelli; Cattini, Stefano; Francesco, Viola; Giovanni, Staurenghi. - STAMPA. - 6426:(2007), pp. 642618.1-642618.8. (Intervento presentato al convegno Ophthalmic Technologies XVII tenutosi a San Jose, CA, usa nel 2007) [10.1117/12.700769].

Optical monitoring of the chorioretinal status during retinal laser thermotherapy

ROVATI, Luigi;CATTINI, Stefano;
2007

Abstract

As a consequence of pigmentation inhomogeneities and/or different vascularizations of the retinal tissue, retinal laser thermo-treatments are often over- or underexposed. Our study is focused on the determination of suitable parameters to identify a convenient end-point of the laser treatment. The proposed method is based on the analysis of the temporal fluctuations of the scattered light intensity from the spot area. Motion of molecules and thus frequency of the scattered light fluctuations changes during the laser exposure due to variations of temperature, blood flow and optical parameters, i.e. absorption and scattering coefficient.
2007
Ophthalmic Technologies XVII
San Jose, CA, usa
2007
6426
642618.1
642618.8
Rovati, Luigi; Nicola, Zambelli; Cattini, Stefano; Francesco, Viola; Giovanni, Staurenghi
Optical monitoring of the chorioretinal status during retinal laser thermotherapy / Rovati, Luigi; Nicola, Zambelli; Cattini, Stefano; Francesco, Viola; Giovanni, Staurenghi. - STAMPA. - 6426:(2007), pp. 642618.1-642618.8. (Intervento presentato al convegno Ophthalmic Technologies XVII tenutosi a San Jose, CA, usa nel 2007) [10.1117/12.700769].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/594727
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