2016
DOI: 10.17925/usor.2016.09.01.37
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Advances in Optical Coherence Tomography Angiography

Abstract: Optical coherence tomography angiography (OCTA) is an exciting new imaging technology that allows for non-invasive non-dye-based visualization of blood flow in the posterior pole. The technology has been used to image a variety of chorioretinal disorders including choroidal neovascularization in age-related macular degeneration, diabetic retinopathy, retinal arterial occlusion, retinal vein occlusion, and macular telangiectasia type 2. Continued advances in the software will improve the quality of OCTA and red… Show more

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“…The technology has been used to image a variety of chorioretinal disorders including choroidal neovascularization in agerelated macular degeneration, diabetic retinopathy, retinal arterial occlusion, retinal vein occlusion, and macular telangiectasia type 2. Continued advances in the software will improve the quality of OCTA and reduce image artifacts (28) . It employs motion contrast imaging to high-resolution volumetric blood flow information generating angiographic images in a few seconds.…”
Section: Optical Coherence Tomography Angiography Octamentioning
confidence: 99%
“…The technology has been used to image a variety of chorioretinal disorders including choroidal neovascularization in agerelated macular degeneration, diabetic retinopathy, retinal arterial occlusion, retinal vein occlusion, and macular telangiectasia type 2. Continued advances in the software will improve the quality of OCTA and reduce image artifacts (28) . It employs motion contrast imaging to high-resolution volumetric blood flow information generating angiographic images in a few seconds.…”
Section: Optical Coherence Tomography Angiography Octamentioning
confidence: 99%
“…1 Mediante angiografía con fluoresceína, su diámetro en los sujetos normales es de 0.88 ± 0.16 mm, 2 y aumenta cuando se ocluyen los capilares parafoveales; este aumento de la ZAF indica isquemia en la mácula, que puede presentarse en ojos con retinopatía diabética 3 y se asocia con disminución de la agudeza visual. 4 El análisis de los capilares parafoveales mediante angiografía con tomografía de coherencia óptica, que define el trayecto vascular con base en el flujo eritrocitario, 5 ha detectado dimensiones de ZAF congruentes con las reportadas mediante fluorangiografía. 6 En los sujetos sanos, la ZAF puede variar en área y forma sin que se afecte la agudeza visual, 7 y se ha descrito una correlación negativa entre el diámetro de la ZAF y el grosor foveal central (r = −0.80; p < 0.0001).…”
Section: Introductionunclassified