verteporfin

verteporfin
ver·te·por·fin (vur″tə-porґfin) [USP] a photosensitizer that accumulates preferentially in blood vessels formed through neovascularization, such as those in the choroid; it is activated by nonthermal light (689 nm) in the presence of oxygen, and causes local damage to the neovascular endothelium followed by vessel occlusion; administered intravenously prior to irradiation of the lesion with 689 nm wavelength light from a compatible laser in the treatment of neovascularization due to disciform macular degeneration, presumed ocular histoplasmosis, or pathologic myopia.

Medical dictionary. 2011.

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