EyeconX Ideas! - What is RVO or Retinal vein occlusion http://ideas.eyeconx.net/story.php?title=what-is-rvo-or-retinal-vein-occlusion- Retinal vein occlusion is a disease of the retina that affects approximately 180,000 people each year in the US. Veins in your eye known as retinal veins are an important part of your eye's normal circulation. They move blood out of your eye toward your heart. A retinal vein occlusion is the blockage of one of these veins. RVO can lead to swelling of the macula, the part of our eye responsible for... Fri, 06 Jan 2012 16:38:39 EST en