The specific features of interaction between human as an operator and intellectual aiming devices' interface are being reviewed in this work. Scientific works and theories in the field of psychology and engineering psychology are used for analysis, there is given the description of preparation and conducting of usability research using eyetracking technology based on comparison of virtual models of optical and intellectual aiming devices' interfaces. As results of the research there are given the conclusions about efficiency of interfaces and principles of using of these aiming devices in various situations, the conclusions of the necessity of additional training for intellectual aiming devices operators and also given some general.