Ocular myasthenia: Missed Diagnosis in Neuro-Ophthalmology

Update item information
Identifier NOVEL_Cogan_20-3
Title Ocular myasthenia: Missed Diagnosis in Neuro-Ophthalmology
Subject Ocular Myasthenia; Eye Movement Recordings
Description Clinical Signs: exodeviation of the right eye, approximately 35 degrees; fixation is steady; visual acuity is 20/15 in both eyes; no fields effects; suppression of vision in right eye; horizontal gaze shows initial high velocity burst with dysmetria and low velocity drift; limited eye movement to approximately 5-10 degrees around primary; intersaccadic fatigue and ocular dysmetria. Presenting Symptom: upward flick of both lids with change of fixation (especially on upgaze); adaptation to ptosis by inclining head approximately 30 degrees backwards and slight furrowing of brow; twitch in both lids, though more prominent in right eye; musculature of lids not too abnormal, with mild weakness in resistance to opening. 28 year old male; history going back to 16 years of age with development of strabismus and ptosis; tensilon responsive and diagnosed as myasthenia; no results with mesterlone. Treatment: Edrophonium; Mesterolone. Disease/ Diagnosis: Myasthenia Gravis.
Creator David G. Cogan, MD (1908-1993), Former Director of Ophthalmology, National Eye Institute
Contributor Primary Fred C. Chu
Contributor Secondary U.S. Department of Health and Human Services. National Institutes of Health. National Eye Institute
Publisher Spencer S. Eccles Health Sciences Library, University of Utah
Date 1982-11-24
Type Image/MovingImage
Format video/mp4
Source 3/4" Umatic master videotape
Relation is Part of David G. Cogan Collection
Rights Management Copyright 2008. For further information regarding the rights to this collection, please visit: https://NOVEL.utah.edu/about/copyright
Holding Institution Spencer S. Eccles Health Sciences Library, University of Utah, 10 N 1900 E, SLC, UT 84112-5890
Collection Neuro-ophthalmology Virtual Education Library: NOVEL http://NOVEL.utah.edu
Language eng
ARK ark:/87278/s6bp04gf
Setname ehsl_novel_dgc
Date Created 2006-02-24
Date Modified 2021-08-24
ID 177206
Reference URL https://collections.lib.utah.edu/ark:/87278/s6bp04gf