optogram


Also found in: Medical, Wikipedia.
Related to optogram: Attogram

optogram

an image on the retina caused by bleaching of the pupils.
See also: Eyes
Mentioned in ?
References in periodicals archive ?
The first and only known human optogram, was created by Wilhelm KEaA-hne, a German physiologist in the 19th century, who happens to be the central character on which Derek Ogbourne built his "Museum of Optography.
He was referring to the only human optogram, which KEaA-hne obtained and sketched from the eye of Gustav Erhard Reif, a man who was beheaded for killing his two sons in the Rein river in the late 1870s.
La troisieme partie, quant a elle, examine des textes appartenant a trois sous-genres differents : conte fantastique (Claire Lenoir, de Villiers de l'IsleAdam), roman policier (L'Accusateur, de Claretie) et science-fiction (Les Freres Kip, de Verne), neanmoins rassembles autour de motifs communs, tels << the optogram (photo in/of an eye, the retinal afterimage, the stereoscope, the ophthalmascope, and the visual hallucination >> (p.
The last section of the book brings together various works under the rubric of optogram fictions: Jules Verne's Les Freres Kip, Jules laretie's L' Accusateur and Villiers de 1' lsle-Adam's Claire Lenoir and L' Eve future.
This recovery of a retinal image--or optogram--directly inspired a slew of popular newspaper articles as well as a number of fin-de-siecle fictions, including stories by Villiers de l'Isle-Adam, Jules Verne, Rudyard Kipling and Jules Claretie, in which the optogram (the retinal photograph) appears as a pivotal motif of mediation between living knowledge and deathly mystery.
The earliest of these optogram fictions is Villiers de l'Isle-Adam's fantastic philosophical tale Claire Lenoir, written in 1867 and revised in 1887.
A few years later I read about optograms and the experimental attempts to capture the last image imprinted on the retina at the moment of death.