The normal contact lenses with big dyed circle are popular with the brown-eyed players. This kind of contact lenses is favored in quality with which you can detect the invisible luminous marks clearly and easily. However, we are honest to tell the users that these lenses are going to darken your eyes a little bit. What is fortune is that the change of the color is so trivial that it is almost impossible to notice. This kind of contact lenses is reasonable in price and helpful in games.
The other type of the poker contact lenses with smaller dyed circle for brown eyes is more advanced in technology. It adopted the sophisticated sandwich technology and the technology of laser dyeing, which causes no side effect on your eyes. These lenses enable you to keep the original brown color of your eyes, without slight change. Moreover, the effect of he lenses is so awesome that you can spot the invisible marks as you wish. However, the price is higher but still acceptable for most users.