1. An apparatus for processing real time images of an environment of a user, the apparatus comprising: an image sensor configured to capture image data for providing a plurality of sequential images of the environment of the user; and at least one processor device configured to: identify, using the image data, a trigger associated with a desire of the user to cause at least one pre-defined action associated with an object, wherein the trigger includes an erratic movement of the object; in response to identification of the trigger, identify in the image data a captured representation of the object; and based on at least the captured representation of the object, execute the at least one pre-defined action.