User blog comment:Aeratus/Guide to the Adam Jensen Clone Theory/@comment-2A04:4A43:467F:FD4C:A97E:63DC:2AA:235F-20191129201339

Didn’t Jensen in Human Revolution have gold irises? In Mankind Divided, whoever you’re playing as has blue irises in their implanted eyes. Given the owls scattered throughout the game as Blade Runner references, maybe the change in eye colour is another allusion to the themes of that film.