Code is for a 50% discount on lenses and lens upgrades. Eligible for lens upgrades including blue-light blocking, hydrophobic coating, polarized lenses, mirrored lenses, tinted lenses & Transitions. Not eligible for 'Sale' tagged items. Not eligible for safety glasses and goggles, or safety lenses. Free shipping within US & Canada. Limit is one coupon code per customer • Single vision 'Basic lens package' included with eyeglasses frames. Offers cannot be combined with other promotions. For order and coupon issues, contact service@glassesusa.com