[待更新] Varicose veins are a venous disorder that can cause pain and leg swelling. Any condition that increases pressure to the leg veins may result in forming Varicose Veins. Get more information on vein treatment for varicose veins and spider veins such as sclerotherapy and evlt. Find a vein clinic or vein treatment specialist in your area.onsultation with a vein treatment specialist will help you determine which treatment is best for yo...