The invisible ink on the rear of marked playing cards cannot be seen through our naked eyes. But if you wear the poker cards lenses otherwise marked cards glasses, you can see the invisible ink marks on the rear of poker cards.
The special contact lenses are appropriate for every eye plus are not harmful.
As these are made with the latest sandwich technology, using the maximum advanced laser staining system. The word sandwich signifies the 3 layers that make up the lens, as merely the middle one is dyed as well as thus defending your eyes from the stain material as it does not touch them straight.
There are a lot of kinds of UV contact lenses of high-perspective.
While you wear the special contact lenses, you will be capable to see the marks on the back of the marked cards magic tricks. By a naked eye, you will not be capable to see the marks. And there is more, you could wear the lenses for nearly 12 hours without worries, they won’t damage your eyes.
There are appropriate lenses for the numerous groups of clientele. Everyone can wear the lenses, as they are planned for all eye – color kinds – green, blue, dark or brown. By wearing these lenses you can see closely the natural color of the environs, but there is more – the color of your eyes will not alter, as well. No matter whatever the light is ( red, yellow, white), you can see the marks of the UV cards visibly when wearing these contacts.