Retinal Vein Occlusions
They consist of partial or total obstruction of the veins of the retina. They can be of two types: Central venous occlusion (the central vein of the retina becomes obstructed) Venous branch occlusion. It consists of an obstruction caused by a thrombus that occurs in the areas where the arteries and veins cross
How are they diagnosed? To diagnose venous occlusions of the retina, a complete ophthalmological examination is required, which includes the following tests in consultation: Fundus examination Fluorescein angiography (FFA) Retinography OCT (Optical Coherence Tomography)