1. A method of operation in a virtual image system or an augmented reality system, the method comprising: for each of at least some of a plurality of frames being presented to an end user, determining a location of appearance of a virtual object in a field of view of the end user relative to an end user frame of reference; and adjusting a presentation of at least one subsequent frame based at least in part on the determined location of appearance of the virtual object in the field of view of the end user.