Varicose veins are recognized as the blue, enlarged veins seen near the surface of the skin. But when the valves weaken, the blood flow reverses, moving back to the superficial veins. With time, pressure on the superficial veins increases and they engorge with blood. These superficial veins work with deeper veins in aiding blood flow. Blood normally moves from the superficial to the deep veins. and with a series of valves to keep the flow going in one direction. Some Signs and Symptoms are Aching pain, especially after long periods of standing or sitting, heaviness, Swelling. varicose veins treatment, varicose vein surgery, varicose veins symptoms