Besides the invisible ink marked cards, the luminous reader infrared contact lenses can be used to read the invisible marks on poker playing cards. This kind of contact lens is the most professional product for poker cheating and magic trick. The luminous lens has a special purple part which helps the eyes to receive IR lights that humans cannot see.
To avoid damage, it is important to take good care of the contact lenses. Before putting on or removing them, you should clear your hands thoroughly. You should also keep your fingernails trimmed to prevent scratching and causing the lenses to fall. Finally, you should always put on or remove them in front of a clean and tidy table.
If you are worried that others will know that you are wearing the luminous readers, there is no need to worry. Our UV invisible ink contacts can keep your eye color, and no one will be able to tell that you are cheating at card games.
It is best to store these UV invisible ink lenses in pure water. Store them below 25 degrees Celsius in order to prevent damage. Contact us if you need to ask any questions. We will reply to you as quickly as possible. We appreciate your cooperation. We hope you can enjoy our products!