Buy 3 Get 1 free on Contact Lenses at OPSM
OPSM offers a great deal on contact lenses is now having a Buy 3 get 1 free promo. Buy 3 boxes of contact lenses online and receive 1 additional box absolutely free! To redeem this offer, simply add 4 boxes of contact lenses to your cart and enter the promo code FREEBIE to get the 4th box free. Purchase should be made in a single transaction. The additional 1 box of free contact lenses should be the same type and prescription as the other three boxes of contact lenses. The offer is subject to stock availability so hurry and grab yours now!