There are lots of poker players using poker cheating device in casino game, especially invisible ink contact lenses. The reason why a majority of poker players use these infrared contact lenses is that they can read invisible ink back marked cards. You just only need to wear suitable infrared contact lenses and then play games with luminous marked cards; finally you will win other poker players easily. These contact lenses will not harm your eyes because we used the special and best material to make it. In addition, there are different color and different size for you to choose. As long as you wear our contact lenses, you definitely will defeat any one in games.