NIST Study Advances Use of Iris Images as a Long-Term Form of Identification (image) National Institute of Standards and Technology (NIST) Share Print E-Mail Caption A frequent traveler uses an iris recognition camera to speed her travel across the American-Canadian border. NIST researchers evaluated data from millions of images taken over a decade from this iris-based NEXUS program to gauge iris stability. Credit Canadian Border Services Agency Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.