Why those Bicycle poker palying cards can not be detected by the IR light?

Bicycle is a big vehicle for the poker players, cause most of them know that the Bicycle playing cards is a big brand, and suppose many of poker players want to make some invisible ink mark on it, use some specail contact lenses or luminous sunglasses to read, just do it as magic.
So some of the poker player is like a busy Bee to find the good quality luminous bicycle ultimate marked deck, and the matched infrared contact lenses to read them.  If they have experianced to use those types of contac and juiced cards, they should know this type of lens marked cards can be detected by some kind of device, like the cash detector machine.
If some poker player lose money, he would think about if there is any problem on the playing cards or else. So it has possibility to check out or be caught if using those cheat cards products in the casino or poker club.
But seldom poker players know there is another types of the marked invisible cards, which cannot be checked out by the UV light, namely the cash detector. Those invisilbe marks are mininum code, naked eyes cannot see them, but only specail made poker camera can read this mark.
According to the manufacture - buymarkedcards.com reveal, you can know each cards number from the screen or know the winner of the texas holdem or omaha game directly by the spy earpiece. And it is very easy to control.