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How to make infrared contact lenses poker

What is infrared contact lenses poker? It is one kind of contact lenses marked cards.
Infrared contact lenses poker is processed with high-tech cards marking printer, but sometimes, it also can be marked by hand. Generally speaking, marking cards with invisible ink by luminous marked poker printer is the best way to make contact lenses marked cards.
Infrared contact lenses poker are able to be read by marked cards glasses or luminous ink contact lenses while UV contact lenses cannot see through its invisible marks.