<P> An afterimage is an image that continues to appear in one 's vision after the exposure to the original image has ceased . An afterimage may be a normal phenomenon ( physiological afterimage ) or may be pathological ( palinopsia ) . Illusory palinopsia may be a pathological exaggeration of physiological afterimages . Afterimages occur because photochemical activity in the retina continues even when you are no longer experiencing the original stimulus . The remainder of this article refers to physiological afterimages . A common physiological afterimage is the dim area that seems to float before one 's eyes after briefly looking into a light source , such as a camera flash . Afterimages are a common symptom of visual snow . </P>
<P> An afterimage is an image that continues to appear in one 's vision after the exposure to the original image has ceased . An afterimage may be a normal phenomenon ( physiological afterimage ) or may be pathological ( palinopsia ) . Illusory palinopsia may be a pathological exaggeration of physiological afterimages . Afterimages occur because photochemical activity in the retina continues even when you are no longer experiencing the original stimulus . The remainder of this article refers to physiological afterimages . A common physiological afterimage is the dim area that seems to float before one 's eyes after briefly looking into a light source , such as a camera flash . Afterimages are a common symptom of visual snow . </P>
the image that remains after a stimulus is removed
the image that remains after a stimulus is removed
afterimage
afterimage