Related Experiment Video
Updated: Feb 28, 2026

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
Published on: March 26, 2020
Optical Coherence Tomography Angiography of Venous Loops in Diabetic Retinopathy
Abstract:
Venous loops are relatively rare manifestations of diabetic retinopathy. The authors describe a case characterized by the development of a venous loop during a 3-year period. Optical coherence tomography angiography (OCTA) revealed a hyperintense signal from the lesion, attesting an ordinary flow into the venous loop. OCTA also showed an area of capillary loss in proximity of the lesion, which is in agreement with the proposed pathogenesis for venous loops, developed to bypass an area of retinal vessels occlusion. [Ophthalmic Surg Lasers Imaging Retina. 2017;48:518-520.].
More Related Videos
12:22Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
Published on: August 4, 2018
07:18Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
Published on: February 18, 2022
Related Concept Videos
Imaging Studies VII: Vascular Imaging
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
Varicose Veins II: Diagnostic Studies and Interprofessional Care
Venous Return
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...