Luminous ink Infrared UV Readers are used to view luminous ink marks on red backed invisible ink marking playing cards.
Usually these infrared UV invisible ink reader includes the infrared ink contact lenses and infrared sunglasses, and some other special filters. The UV ink glasses or invisible ink contact lenses are usually used to see invisible ink marked cards in poker tricks or magic tricks.
The luminous ink glasses
are high end Aviator sunglasses with a built in crafted filter in the lenses. The Infrared UV filter is what enables the sunglasses to see the luminous ink markings.