Offer valid on eligible products through online purchases made before expiration date printed on card, at https://www.horusvision.com/. To redeem, online promotion code must be entered at checkout and is valid for one time use per a customer only. Sales tax, shipping & handling do not qualify for discount. This offer is not redeemable for cash or gift cards, nor is it valid toward previous purchases, and it has no cash value. Offer may not be combined with any other coupons, discounts, offers, or promotions. No rain checks issued.