I think player who have blue eyes  and green eyes have problem when they wear contact lenses. 

It will make the eyes dark and people will notice them. 

But now our company has find solutions to solve this problem,2016 newest contact 

lenses,when the player wear them,almost no people will notice that.

Optional Accessories:

1 Invisible ink marked playing cards

2 IR UV marked rummy   

3 IR marked mahjong 

4 UV Marked papers for examination

Tips for using our invisible glasses:

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 contact lenses in case of infecting your eyes.

3. Before playing the poker games with contact lenses, it is better wear the glasses about several hours for adapting.

Any more doubts,welcome here for free asking.

Email:mhbiying160323 at hotmail dot com

Whatsapp:+8615102175824