If someone tells you that he can read the suit and value of a card from the back of a card by wearing a card contact lens marked with glow-in-the-dark ink, don’t make fun of him, because he’s telling the truth.
Take your chances before everyone knows. The Glow in the Dark Marker Card is a cheating poker card with hidden markers only shown to you. From the looks of these cheat playing cards, are normal, clean, unless you have contact lenses with invisible ink. So, Glow in the Dark Ink Marked Solitaire Contact Lenses can be used for Texas Hold’em, Omaha, Blackjack, Poker, Caribbean Stud, Bridge, Pinnacle and any other game.
Why can glow-in-the-dark ink contact lenses see cards marked with invisible ink? The secret is in the purple part of the contact lens. The purple part will help the eyes receive infrared light that humans cannot receive by themselves. The reflected light of the invisible ink marked on the back of the playing cards is a kind of infrared light, so people can see the invisible ink marks with the playing card contact lenses marked with glow-in-the-dark ink.