December 1, 2015: In the two years since the IREX VI report, a number of criticisms were published by researchers at U. of Notre Dame. NIST wishes to thank the IET Biometrics journal for publishing those criticisms and our rebuttal thereof
April 4, 2014: Further results on iris stability were discussed at the third International Biometrics Performance Conference held at NIST in April 2014. The NIST presentation is available here.
July 24, 2013: NIST is pleased to announce the completion of our initial investigation of iris recognition stability over time. the study is available as NIST Interagency Report 7848.