Customize the look of your GASCAN eyewear and get the best optical performance for where you use it most. All replacement lenses feature the unbeatable clarity, impact resistance and 100% UV filtering of Oakley's HIGH DEFINITION OPTICS® (HDO®).
Important Note:Replacement lenses may not be returned if they have been mounted or scratched. Asian Fit lenses cannot be installed in standard-size eyewear frames.
High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.