Visual looming syndrome "fear of pointy objects hitting the eye", "weird sensation behind the eyes", "difficulty in focusing on objects nearby, which are moving and are not operated by the observer, such as windscreen wipers or a pencil someone else is holding". In these studies visual looming syndrome is often referred as sharp edges eye syndrome (SEES). "Looming" is a term used in the study of the perception, as it relates directly to psychology. Looming refers to the rapid expansion in the size of any given image. As the image becomes increasingly large on the perceiver's retina, i.e., when an object "looms", there
Empirical theory of perception on the retinal plane. A distant object moving at a given speed will translate more slowly on the retina than a nearby object moving at the same speed, and as mentioned previously size, distance and orientation are also ambiguous given only the retinal image. As with other aspects of perception, empirical theorists propose that this problem is solved by trial-and-error experience with moving stimuli, their associated retinal images and the consequences of behavior. One way to test this hypothesis is by seeing whether it can explain the flash lag illusion, a visual effect in which a flash superimposed on a