Summary: "Look into my eyes"

Three Cambridge University professors in 1994, was developed the computer software of iris. The iris is the coloured part of the eye. The function of this software is reads a person’s iris and identify that person, for that, more airports implant this method to prevent the crime.

This technique was introduced in a prison of US too. Increasingly, an American businessman they believe that is a great idea and becoming more, businessman use more.