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August 1981

Visual Images Observed After Enucleation

Author Affiliations

Washington, DC

Arch Ophthalmol. 1981;99(8):1468. doi:10.1001/archopht.1981.03930020342029

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To the Editor.  —After diagnosis of choroidal melanoma, I underwent right eye enucleation in June 1978 for removal of a 5-mm spindle B-cell tumor located at the inferior temporal quadrant right posterior fundus and contained entirely within the eye. Beginning almost immediately after surgery, I observed persistent and continuous visual images featuring angular groups of parallel-line segments, or groups with elements composed of simple polygonal figures. These images were observed constantly for about one year, virtually at all times when I was awake. The images were visible when my eyes were closed or open. Sedatives and muscle relaxants taken orally had no effect on the percepts. A quick sketch of portions of an image pattern is reproduced in Fig 1. The curvilinear nature of some details in Fig 1 is an artifact caused by the attempt to sketch quickly.During the first year, the images decreased in intensity and in

Gillmor CS:  Visual images observed following an enucleation . Perception 1980;9:493-502.Article
Cogan DG:  Visual hallucinations as release phenomena . Albrecht Von Graefes Arch Klin Exp Ophthalmol 1973;188:139-160.Article