Iris recognition and retinal scans are not the same - Iris ID
Iris Scanner: How It Works | Eye Scan Technology Overview | RecFaces
There's a reason you should be terrified of iris scanners and iPhone facial recognition – but it's not the reason you think | The Independent | The Independent
Difference Between IRIS Recognition and Retina Scanning
Iris Scans Come to Nursing Homes. Next Stop, Your Phone | WIRED
Iris recognition reaches the mainstream for identification, authentication | Biometric Update