A vascular 'fingerprint' on the light sensitive tissue layer at the back of the eye—the retina—can predict a person's risk of stroke as accurately as traditional risk factors alone ...

Part of the difficulty is due to the intrinsic nature of fingerprint evidence, he says, where fingerprints are invisible to the naked eye and have to be lifted using either powder or ultraviolet ...

From Disney World to the smartphone in your pocket, fingerprint scanners have become commonplace these days. Even budget phones sport the tech, sometimes alongside other biometric unlocking ...

You program it in the same security setting as the fingerprint scanner, and it only takes one scan for the Note 7 to record your iris. There's an infrared sensor on the front that scans your eye.

At the back of the eye, there is light-sensitive tissue filled ... the scientists found that 29 measurable "fingerprint" differences were related to the risk of having a stroke for the first ...