What compression stockings actually work? After Varicose Vein Treatment you will be fitted with thigh high/open toes class 2 compression stockings. You will need to wear these stockings for between 5 to 14 days. Wearing these stockings further reduces the already low risk of deep vein thrombosis (DVT). The wearing of the compression stockings is an important part of your treatment. Compression following your vein treatment assists in the healing process and will reduce the degree of bruising, in