Tracked by Evreward since 2006, LensCrafters offers coupons, cash back rebates and rewards, with savings as high as 50% off. LensCrafters discount coupons are infrequent, only available a couple times per year, but are often more valuable than similar merchants. Even when LensCrafters doesn't have a coupon, you can always get up to 21% cash back, and other great rewards, with every purchase.