The coating prevents water from leaving streaks and sheens that can corrupt your vision and it creates a smudge resistant barrier that repels skin oils and lotions so keeping your lenses clean will be a whole lot easier just run the marker tip across the entire lens surface wait 30 seconds then buff it lightly with the included microclear cloth the cleaningcoating solution wont diminish the clarity of oakleys performance lenses and its perfectly compatible with lenses that have our ir