?specially designed for the best possible peripheral vision. the line miner s was created to provide the ultimate peripheral vision in a cylindrical-style design. oakley could pull the goggles closer to your face than ever before, allowing for incredible downward and side-to-side periphery. the line miner s suits smaller face shapes and pairs perfectly with most helmets.prizmâ„¢ sapphire iridium lensprizmâ„¢ lenses adapt to weather conditions and provide optimal colour representation while maximising depth perception and greatly improving visibility. the lenses are injection moulded under extreme pressure with impact-resistant plutonite® to create a precise contour with optically correct geometry and clarity.