Palinopsia

Palinopsia is the persistent or recurring visual perception of an image after the actual stimulus that produced it has been removed. Rather than a single diagnosis, it is a diverse group of visual symptoms with many possible underlying causes, which a 2014 classification by Gersztenkorn and Lee divided into two categories: hallucinatory palinopsia, which typically arises from seizures or lesions in the posterior brain and produces sharp, enduring afterimages, and illusory palinopsia, which typically arises from migraine, head trauma, certain medications, visual snow syndrome or hallucinogen persisting perception disorder, and produces indistinct afterimages shaped by lighting and movement. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/