Did You Know?

  • Recognizes iris color on a highly genetic level
  • Requires no physical contact
  • Difficult to replicate
  • Low rates of false acceptance

How does it work?

  • An iris' texture is developed during embryonic gestation
  • The instricate structures of the iris are revealed with near-infrared illumination
  • Identical twins have different iris patterns
  • Left and right eyes of the same person have different iris patterns
  • A scan can be captured through clear contact lenses, eyeglasses and non-mirrored sunglasses


  • 1949

    British ophthalmologist likened an iris' architecture to a person's fingerprint.
  • 1980s

    Iris identification concept was patented.
  • 1994

    Patent issued for iris identification computer algorithms for image processing, feature extraction and matching.
  • 2006

    Iris scans became an internationally standardized biometric for e-passport.
  • 2016

    1 billion people were enrolled in India's government iris scan database. The U.S. had 434,000 iris scans on file since the FBI launched the pilot program in 2013.