Although no lens material is scratch-proof, it is important to protect your lens with a scratch-resistant treatment. Lenses with the best scratch-resistant protection are treated on the front and back side with a clear, hard coating. Some lenses have built-in scratch resistance, however it’s important to know that not all scratch-resistant treatments are equal. And not all treatments provide the front and back surface of the lens. A two-sided scratch resistant treatment provides the best protection. Ask a staff member for more information on the best treatment for your lenses.