Get up to 65% off select full-price prescription glasses or sunglasses when you enter code BDEALS65 at checkout at GlassesUSA. Plus shipping and returns are free on all orders. These frames include single-vision or reading lenses. This drops select frames to as low as $19.20 with the code, but we found most average closer to $23.20. There are hundreds of styles for men and women, but please note that this code does not work on already-discounted styles or name brands. You may use your FSA or HSA money to purchase prescription eyeglasses, prescription sunglasses, and contact lenses at GlassesUSA.