Jan Krissler, nicknamed Starbug, from the famous Chaos Computer Club (CCC), has claimed that the same technique is possible to fool IRIS biometric security systems. The attack depends on a number of factors, such as-Target’s eyes must had to be bright because of the way the infrared-based system his company bought for Krisser used light. The print out had to have a resolution of 1200 dpi too, and ideally at least 75 per cent of the iris was visible.
Source: https://thehackernews.com/2015/03/iris-biometric-security-bypass.html