1. An imaging device, comprising an image sensor having a field of view for recording an image; an eye tracking sensor coupled to the image sensor having: a light emitter for emitting a light beam; an optical sensor for receiving a light reflected from a viewer's eyes; and an image processor coupled to the optical sensor for calculating a location of a viewer's focus point and sending the location of the viewer's focus point to the image sensor; and a processor for selectively adjusting a resolution of at least a portion of an image in the field of view as a function of the viewer's focus point.