Imaging Of Retinal Vein Occlusion by Optical Coherence Tomography-Angiography (OCTA)

2019 ◽  
Vol 2019 (01) ◽  
Author(s):  
Keyword(s):  
Optical Coherence Tomography ◽  
Retinal Vein Occlusion ◽  
Optical Coherence Tomography Angiography ◽  
Optical Coherence ◽  
Vein Occlusion

Fundus Fluorescein Angiography, Optical Coherence Tomography, and Optical Coherence Tomography Angiography Findings in Branch Retinal Vein Occlusion

2019 ◽  
pp. 83-87
Keyword(s):  
Optical Coherence Tomography ◽  
Fluorescein Angiography ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Optical Coherence Tomography Angiography ◽  
Serous Retinal Detachment ◽  
Optical Coherence ◽  
Fundus Fluorescein Angiography ◽  
Vein Occlusion ◽  
Capillary Plexus

Even though the diagnosis depends on clinical examination, in cases with branch retinal vein occlusion (BRVO), fundus fluorescein angiography (FFA), optical coherence tomography (OCT), and optical coherence tomography angiography (OCTA) provide unique data for follow-up, management and prognosis. In FFA, delay of laminar flow phase in the involved branch, hyperfluorescence due to leakage from the vessel wall in the late phases, hypofluorescence due to the blockage by hemorrhage, and soft exudates, and hyperfluorescence due to macular edema can be detected. In OCT, macular thickening, cystic spaces, serous retinal detachment, hyperreflective dots, disorganization of the outer retinal layers – particularly the photoreceptor inner and outer segments line and the external limiting membrane – can be seen. OCTA reveals non-perfusion, particularly in the deep capillary plexus.

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