720 lenses are treated with industrial strength anti-scratch coating which is a permanent silicon base coating that is applied to the front and back sides of the lenses so that it helps to prevent even fine hairline scratches.


* All 720 Double Impact lenses are treated with anti-scratch coating to make your lenses more durable through wear and tear.


* The anti-scratch coating is not 100% scratch proof; it helps to prevent minor scratches that can damage the surface of the lens.