I know of an easier way and there is literally NO wiping needed except maybe, and that's a very slim maybe, you have a tough spot in the lens groove. You will have a slick, sweet, flawless (providing it's a new pair or used without any dings or scratches to start)...lol...secrets of the trade. the coating will literally fall off. works well on those nasty hydro jobs too when they go bad.
- DrChop