Coastal has free glasses right now, you just have to pay shipping.

http://www.coastal.com/coupon-eligible-glasses
Browse the frames, find the perfect style, select it, and click continue.
Enter prescription information.
Choose lenses and any “extras.”
Add glasses to shopping cart for checkout.
Enter shipping information.
Enter code FIRSTPAIRFREE in the code box, and click apply.
Final total should only include extras and shipping and handling.

Just thought I'd share!!