Optical coherence tomography angiography
in chorioretinal vascular pathologies
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Optical coherence tomography angiography (OCTA) is an innovative technique based on OCT, enabling the visualization of vessels in the various chorio-retinal layers in three dimensions without dye injection. It enables identification of the various retinal vascular plexi. This technique provides a new semiological analysis, with a better understanding of chorio-retinal vascular architecture, but it has certain limitations, as it is a static test sensitive to various artifacts linked to movement or changes in chorio-retinal architecture. OCTA is currently promising for the diagnosis of various n...
Optical coherence tomography angiography (OCTA) is an innovative technique based on OCT, enabling the visualization of vessels in the various chorio-retinal layers in three dimensions without dye injection. It enables identification of the various retinal vascular plexi. This technique provides a new semiological analysis, with a better understanding of chorio-retinal vascular architecture, but it has certain limitations, as it is a static test sensitive to various artifacts linked to movement or changes in chorio-retinal architecture. OCTA is currently promising for the diagnosis of various non-inflammatory pathologies, but remains insufficient for therapeutic decision-making, and must be compared with data from older multimodal imaging techniques.
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