75% off Lenses and add-ons for Oakley and Costa Eyeglasses, and both Ray-Ban and Gucci Prescription Sunglasses and Eyeglasses. Get a 75% discount on the price of lenses for Ray-Ban, Costa, Gucci, or Oakley. Oakley and Costa prescription sunglasses excluded. Ray-Ban, Costa, Gucci, or Oakley frame purchase required