① The normal contact lenses with big dyed circle are popular with the dark-eyed players. This kind of contact lenses is favored in quality with which you can detect the invisible marks clearly and easily. However, we are honest to tell the users that with this kind of lenses, you may see the surroundings a bit darker than usual. But you can see the luminous invisible marks accurately.
②The other type of the contact lenses with smaller dyed circle for dark 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. With this kind of contact lenses, you can see the environment around you comfortably. 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.