The warranty only covers manufacturer defects, i.e. faults or defects resulting from the manufacturing process. Some examples are below:
Delamination and/or detachment of the sun lens coating
Bubbles or imperfections in the lens coating
Flaking or premature deterioration of the frame coating
Welding defects on the hinges and/or rods
This warranty does not cover: scratches on sun or prescription lenses, damage caused by accident, abuse, neglect, shock, improper use or storage of the product, third-party modifications or repairs, and any damage caused by everyday wear and tear.