Endovenous Laser Treatment (EVLT) is a minimally invasive way to treat varicose veins—using laser energy to seal faulty veins and relieve symptoms like pain and swelling. Purpose: Treat varicose veins and chronic venous insufficiency. How It Works: A laser fiber is inserted into the vein, delivering energy to close off the affected veins and redirect blood flow to healthier veins. Recovery: Local anesthesia, minimal downtime, some bruising or soreness.