I must say that I have been performing vein procedures exclusively for 10 years and I have never seen this complication. That does not mean that it does not exist or it has not happened. I am sure you signed informed consent that lists the side effects and complications associated with the...
Veins in this area are difficult to treat and, although I treat many facial veins, I do not treat veins in this area. You may want to see an eye surgeon.
Bruising is a common finding after laser for under eye veins. I recommend bromolein and Arnica Montna or a product called Bruise Stick made by Kare Skin.