https://preventblindness.org/central-retinal-vein-occlusion/
Central Retinal Vein Occlusion - Prevent Blindness
Veins return oxygen-depleted blood back to the heart. The retina has one major artery and one major vein. The vein is called the central retinal vein.
retinal veinprevent blindness
https://foliamedica.bg/article/146108/
Optical coherence tomography angiography analysis of microvascular network in retinal vein...
optical coherence tomography