Coastal Contacts will have a code to get the free glasses (under FREE GLASSES Tab)on their facebook page (link under Coastal Contacts). Then after you get your code visit coastalcontacts.com to pick out your glasses.
You do not need to have the prescription to order them! You can order your glasses, be sure to add bi-focals and other needs and pay for the shipping. Then email them and request your order be put on hold. Get your prescription and either email or call Customer Service with it, be sure to get your pupil Distance if your getting your prescription.