Contact lenses are used by poker gamblers with back marked cards to win poker cheat. But there is a problem that has caused the attention of us. It is if some one who is playing poker games at the same table with you with wearing a pair of infrared contact lenses, will he/she see marks of poker cards?
The answer is certain. According the question above, we have a new kind of infrared contact lenses that could make sure the safe when you use this kind of infrared contact lenses. It is called one to one infrared contact lenses. And the working theory of one to one infrared contact lenses is the same as the infrared contact lenses. But we use the one to one invisible ink to mark these poker cards and contact lenses and even other people wear the infrared contact lenses at the same table with you, they can not see the marks on the back of marked cards. The one to one infrared contact lenses are suitable for every kind of eyes.
One to one infrared contact lenses are helpful and useful products for the poker gamblers to cheat at poker games at casinos. And this method is safe and secret. You can use them without any pressure.