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  1. Chronic Venous Insufficiency: Causes, Symptoms & Treatment

    Jul 17, 2022 · Chronic venous insufficiency (CVI) is a form of venous disease that occurs when veins in your legs are damaged. As a result, these veins can’t manage blood flow as well as they should, and …

  2. Chronic Venous Insufficiency: Symptoms, Causes, Diagnosis ...

    Jul 16, 2025 · When you have chronic venous insufficiency (CVI), these valves can't close completely. As a result, some of the blood goes back down into your legs and pools in the veins there.

  3. Cerebral Visual Impairment (CVI) - National Eye Institute

    Dec 4, 2024 · Cerebral visual impairment (sometimes called cortical visual impairment or CVI) is a disorder caused by damage to the parts of the brain that process vision. It’s most common in babies …

  4. Chronic Venous Insufficiency - Johns Hopkins Medicine

    What is chronic venous insufficiency? Chronic venous insufficiency occurs when your leg veins don’t allow blood to flow back up to your heart. Normally, the valves in your veins make sure that blood …

  5. What is chronic venous insufficiency? - Mayo Clinic Press

    Jul 18, 2025 · Chronic venous insufficiency (CVI) happens when you have increased pressure in your leg veins over a long period of time. Signs of this can show up on the skin surface.

  6. What is Chronic Venous Insufficiency? | American Heart ...

    Jul 17, 2025 · Deep vein thrombosis (DVT) and chronic venous insufficiency (CVI) are related but distinct conditions affecting the veins, usually in the legs. Deep vein thrombosis is a serious condition …

  7. Chronic venous insufficiency - Wikipedia

    Chronic venous insufficiency (CVI) is a medical condition characterized by blood pooling in the veins, leading to increased pressure and strain on the vein walls. [1]

  8. Chronic Venous Insufficiency (CVI): Symptoms, Causes, and More

    Mar 5, 2026 · Chronic venous insufficiency (CVI) is a vein condition that causes blood to pool in your legs. It may lead to leg swelling, varicose veins, and skin sores.

  9. Chronic Venous Insufficiency - Society for Vascular Surgery

    What is CVI? If you have Chronic Venous Insufficiency (CVI), the valves in your veins (usually in the leg or sometimes the arms) don't work, causing blood to pool in your legs and putting increased pressure …

  10. Cortical visual impairment (CVI) - All About Vision

    Aug 22, 2025 · Cortical visual impairment (CVI) — more recently referred to as cerebral visual impairment — occurs when parts of the brain that process vision are damaged or develop atypically. …