Scuba divers in times of yore used to spit into their facemasks and swirl it with a bit of sea water to coat he inside of their faceplates and prevent fogging. Spit is always available where you are. A good recipe for 'synthetic spit' is to dissolve a teaspoon of salt and a teaspoon of diswashing liquid into a cup of warm water. Will > > "anti-fog" glasses cleaning solutions or creams that can help with > fogged > glasses or goggles. >