01-28-2019, 04:05 AM
I’ve gone to having my eyeglass lenses treated with [url=https://www.essilor.com/en/brands/optifog/]Optifog. It’s not 100% perfect but it works well enough in 95% of fogging situations. When conditions overwhelm the coating, rather than opaque frost it looks more like microscopic droplets of clear water, so you can still see pretty well.
