Retinal Vein Occlusion Market size was valued at US$ 13.90 Bn. in 2022 and the total revenue is expected to grow at 10.7 % through 2022 to 2029, reaching nearly US$ 28.33 Bn. Retinal Vein Occlusion Market Overview: A blood clot stops the vein in the retina, causing retinal vein occlusion. It can happen when the veins in the eyes are too narrow. It is more common in persons who have diabetes, as well as those who have high blood pressure, high cholesterol, or other health issues that influence blood flow. The signs and symptoms of retinal vein blockage range from mild to severe.