David G. Cogan, MD, was the Director of Ophthalmology at the National Eye Institute, National Institutes of Health. The David G. Cogan Neuro-Ophthalmology Collection contains video and images from the vast collection of Dr. Cogan, who is generally considered the founder of the subspecialty of neuro-ophthalmology.
NOVEL: https://novel.utah.edu/
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Filters: Collection: "ehsl_novel_dgc"
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| Title | Description | Subject | Collection | ||
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Myasthenia Gravis - Spontaneous Eye Movements | Clinical Signs: spontaneous eye movements (upward deviations). 21 year old woman with myasthenia and hyperthyearoidism for 2 years; eyes show marked ptosis and ophthalmoplegia. Disease/ Diagnosis: Myasthenia Gravis; Blepharoptosis; Ophthalmoplegia. | Eye Movement Recordings; Internuclear Ophthalmoplegia; Myasthenia Gravis; Lid Twitch; Ptosis | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 2 |
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Myopathies | Clinical Signs: fatigue effect. 23 year old woman with intermittent diplopia and variable ptosis for several years. Disease/ Diagnosis: Myasthenia Gravis; Blepharoptosis. | Myasthenia Gravis; Eye Movement Recordings | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 3 |
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Ocular Myasthenia: Missed Diagnosis in Neuro-Ophthalmology | Presenting Symptom: difficulty with abducting the eyes; occasional nystagmus. 49 year old male diagnosed with myasthenia gravis. Disease/ Diagnosis: Myasthenia Gravis. | Ocular Myasthenia; Eye Movement | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 4 |
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Ocular Myasthenia in Childhood | Clinical Signs: conspicuous limitation of eye movements in all directions. 3 year old girl with mild ptosis who developed ophthalmoplegia after a febrile episode; no systemic manifestations of myasthenia. Disease/ Diagnosis: Myasthenia Gravis; Blepharoptosis; Ophthalmoplegia. | Myasthenia Gravis; Eye Movement Recordings; Lid Twitch; Ptosis | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 5 |
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Lid Twitch Sign in Myasthenia Gravis | Clinical Signs: lid twitch sign on changing fixation from down gaze to primary in right eye. 28 year old woman with variable ptosis and ophthalmoplegia for 1 and a half years. Disease/ Diagnosis: Blepharoptosis; Ophthalmoplegia | Lid Twitch; Eye Movement Recordings | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 6 |
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Spasm of convergence: Missed Diagnosis in Neuro-Ophthalmology | Presenting Symptom: after looking to right, lag in focus upon return to primary; feeling of stress of the eye muscles; spasm of convergence with pupillary constriction; occurs during reading. History: post-traumatic. Disease/ Diagnosis: Myasthenia Gravis. | Eye Movement Recordings; Spasm of Convergence | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
| 7 |
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Ocular myasthenia: Missed Diagnosis in Neuro-Ophthalmology | 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 ap... | Ocular Myasthenia; Eye Movement Recordings | Neuro-Ophthalmology Virtual Education Library: David G. Cogan Collection https://novel.utah.edu/Cogan/ |
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