Fluorescein and indocyanine green angiography in vascular chorioretinal diseases.

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Abstract
Fluorescein angiography allows visualization of blood flow in retinal and choroidal tissues, permitting diagnostic support in many ocular diseases. Particularly, fluorescein angiography has become a very important tool in the study and treatment of chorioretinal diseases. Because of the limitations of fluorescein angiography in imaging the choroidal circulation and associated pathologies, investigators have searched for alternative dyes to improve choroidal angiography, the most promising of which has been indocyanine green dye. The usefulness of indocyanine green angiography to aid in the diagnosis and treatment of a variety of chorioretinal diseases was reported during the last years. The goal of this article is to make an overview on the most frequent Fluorescein and ICGA patterns of vascular diseases of the chorioretina.