Veins are defined as blood vessels responsible for carrying deoxygenated  blood from the body to your lungs and heart. However, when veins become thick  with all the turns and twists they become enlarged and are referred to as  varicose or most commonly Spider Veins. It is usually the "nervures" located in  the thighs and legs that become varicosed.
Here are five of the best spider vein treatments:
Sclerotherapy
This is the most common treatment during which salt solutions are injected  into the affected vein. This makes the vein walls swell, then stick and finally  seal shut. Once there is no more blood flowing into these veins they become scar  tissue and slowly fade away in a few weeks. Many times you'll need to get  treated more than once to achieve successful removal. But since it is not a  painful process it does not require anesthesia and can be carried out by your  doctor at his office.
Laser leg vein treatment 
This is one of the latest methods for treating this condition. During  treatment strong bursts of laser light are passed through the vein which make it  disappear. Since, lasers are known to be accurate and direct it removes veins  quickly and more effectively. However, patients have been known to feel some  painful heat sensation which doctors tend to reduce using various cooling  methods. That being said laser surgery is not advisable for veins larger than  3mm.
Endovenous methods
This method combines radio frequency and laser technology to effectively  treat spider veins. A micro sized catheter is first placed into the affected  vein. The device then sends laser energy which shrinks and finally seals the  vein wall.
Surgery
Surgery is used to remove large spider veins. A doctor will surgically seal  shut the vein and remove it from the leg. However, doctors will only be able to  remove veins which are located near the surface of the skin, ones which are  responsible for collecting blood from the skin.
Endoscopic vein surgery
This type of leg vein treatment utilizes a tiny camera that looks inside of  the veins after which these are removed by small cuts. This procedure like  surgery needs to be carried out under anesthesia but patients will return to  their normal routine within a few weeks.
Regardless, of what form of treatment you opt for to treat leg veins there is  a chance that it will return after a few years. The easiest and probably the  most effective way of preventing this condition from developing is to wear  graduated compression support socks / stockings. The more frequently you're able  to wear these stockings the longer it will take for the veins to form.
