Setup, Compatibility & Care
To ensure the longevity of your SL M170 sunglasses, store them in the provided protective case whenever they are not in use. Avoid leaving the glasses face-down on hard surfaces to prevent lens abrasions. For cleaning, use only a microfiber cloth and a mild lens cleaner. Avoid using paper towels, tissues, or clothing, as these can leave fine scratches on the lens surface. If the hinges feel loose over time, take the frame to an authorized optical retailer to have the screws tightened by a professional.