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 [Preprint PDF , bibtex].
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.