Invisible Ink Infrared contact lenses: A revolutionary tool for secret communication Today’s technology-driven world has made secure communication more important than ever. Invisible Ink Infrared Contact Liners are a novel tool for secret communication. These lenses allow people to communicate secretly, without being seen by others. Invisible Ink Infrared Contact lenses use a special ink which is invisible to the naked eye. The ink is only visible under infrared lighting, so the lenses must be used with special glasses. After the lenses have been worn, the ink can be …