Description:

XF contact lenses are manufactured for backside marked cards, you can see the invisible ink 

freely by it. The diameters of color part is about 11mm, so it is hardly to be found by  others, 

the difference to compare with old model contact lens is that the real world will not change 

color after wearing it.

Pupil size: 11mm of color part

working hours each time: about 8 hours

Optional Accessories:

1.Luminous poker playing cards

2.Marked rummy cards

3.Marked Chinese Majong

Advantage:

1.Real world will not change color after wearing it

2.More hidden than poker glasses

3.The easiest way to cheat in poker game

4.High quality to see marked cards very clearly

5.Can use for all kinds of poker game.

Tips for using the perspective contact lenses:

1.The best suitable situation is under the white light, especially the energy-saving light.

2.Please make sure to wash your hands clearly before wear the perspective invisible glasses in 

case of infecting your eyes.

3.Before playing the poker games with perspective invisible glasses, 

the user who is not a myopia had better wear the glasses about several hours for adapting.