Laser light absorption in the vitreous body after fluorescein angiography in diabetic patients

Franco Docchio; Claudio Azzolini; Sergio Fantaguzzi; Lauretta Guarisco; Rosario Brancato

doi:10.1117/12.240057

17 May 1996 Laser light absorption in the vitreous body after fluorescein angiography in diabetic patients

Franco Docchio, Claudio Azzolini, Sergio Fantaguzzi, Lauretta Guarisco, Rosario Brancato

Proceedings Volume 2673, Ophthalmic Technologies VI; (1996) https://doi.org/10.1117/12.240057
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

The presence of disodium fluorescein as a fluorescent marker in the vitreous body and also in the chorioretina, as a consequence of the administration for fluorescein angiography, influences the effectiveness of laser retinal photocoagulation on a time- and wavelength- dependent basis, in diabetic patients affected by proliferative diabetic retinopathy. In this work we discuss the problem of photocoagulation in the presence of fluorescein, from the viewpoints of (1) shielding of laser radiation by vitreous, (2) heating of the vitreous, and (3) the role of fluorescein in the chorioretina.

Citation Download Citation

Franco Docchio, Claudio Azzolini, Sergio Fantaguzzi, Lauretta Guarisco, and Rosario Brancato "Laser light absorption in the vitreous body after fluorescein angiography in diabetic patients", Proc. SPIE 2673, Ophthalmic Technologies VI, (17 May 1996); https://doi.org/10.1117/12.240057

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