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: novel.utah.edu
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Filters: Collection: ehsl_novel_dgc
| Identifier | Title | History | Subject | ||
|---|---|---|---|---|---|
| 1 |
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83_'Histoplasmic' Chorioretinopathy | 'Histoplasmic' Chorioretinopathy | Presenting Symptom: Optic atrophy. Pathology: Peripheral white spots OU. The fundus periphery had multiple atrophic spots without evident inflammation. Both eyes showed the peripheral white spots, and the left fundus later showed the same central process as the right. Disease/ Diagnosis: Chorioretin... | Retina; Histoplasmosis; Central Serous Chorioretinopathy; Optic Disk; Fundus Oculi |
| 2 |
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82_'Histoplasmic' Chorioretinopathy' | 'Histoplasmic' Chorioretinopathy' | Presenting Symptom: Blurred vision OU; Optic atrophy. Pathology: Retinal hemorrhage. Clinical: The patient was a 47-year old female who had recurrent blurring of vision over a 3-year period. Among the usual skin tests, only that for histoplasmin was positive. The right fundus showed a central opacit... | Retina; Chorioretinitis; Histoplasmosis; Histoplasmin; Retinal Hemorrhage; Optic Disk; Fundus Oculi |
| 3 |
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NOVEL_Cogan_39-1 | Acquired Nystagmus in Childhood | unusual nystagmus with diencephalic tumor; high frequency nystagmus with head bobbling; 20/20 vision with high degree of nystamus (congenital) Presenting Symptom: inverted OKN; head nodding; face turn. Pathology: large glioma biopsied | Eye Movement Recordings; Nystagmus, Congenital vs Acquired; Spasmus Nutans; Nystagmus, Optokinetic; Nystagmus, Specific Types and Their Localizing Calue |
| 4 |
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25_Acute Obstruction of the Central Retinal Artery without Involvement of the Cilioretinal Artery | Acute Obstruction of the Central Retinal Artery without Involvement of the Cilioretinal Artery | Presenting Symptom: Loss of vision OD. Pathology; Embolism. Clinical: Two cilioretinal arteries emerge from the temporal edge of the disc (separated by the macular vein). Since these arteries derive from the choroidal circulation, they are not involved in obstruction of the retinal artery, and the c... | Retina; Retinal Artery Occlusion; Retinal Artery; Embolism; Macula Lutea; Optic Disk; Fundus Oculi |
| 5 |
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26_Acute Obstruction of the Cilioretinal Artery without involvement of the Retinal Artery | Acute Obstruction of the Cilioretinal Artery without involvement of the Retinal Artery | Presenting Symptom: Focal occlusion; Retinal opacity. Pathology: Retinal hemorrhage. Clinical: A single cilioretinal artery emerges from the temporal side of the disc. The upper half of the central retina, including the upper half of the macula, shows an opacification of the retina corresponding to ... | Retina; Retinal Artery Occlusion; Retinal Artery; Retinal Hemorrhage; Macula Lutea; Optic Disk; Fundus Oculi |
| 6 |
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27_Acute Occlusion of Central Retinal Artery with Sickle Cell Thalassemia Hemoglobinopathy | Acute Occlusion of Central Retinal Artery with Sickle Cell Thalassemia Hemoglobinopathy | Presenting Symptom: Occluded retinal artery. Pathology: Retinal artery occlusion. Clinical: The patient was a 44-year old male who had had a confirmed sickle cell thalassemia hemoglobinopathy established at age 28 following a splenic infarct. A splenectomy was performed; he remained asymptomatic unt... | Retina; Hemoglobin, Sickle; Thalassemia; Hemoglobinopathies; Retinal Artery Occlusion; Retinal Artery; Macula Lutea; Optic Disk; Fundus Oculi |
| 7 |
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88_Acute Papilledema; Cystic Fibrosis | Acute Papilledema; Cystic Fibrosis | Presenting Symptom: Peripapillary hemorrhage. Pathology: Intracranial hypertension. Clinical: The patient was a 17-year old male with cystic fibrosis and increased intracranial pressure. The fundi showed elevation of the nerve head, considerable congestion of the veins and multiple peripapillary hem... | Retina; Papilledema; Retinal Vessels; Intracranial Pressure; Retinal Hemorrhage; Cystic Fibrosis; Optic Disk; Fundus Oculi |
| 8 |
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NOVEL_Cogan_22-2 | Agnosia | Clinical Signs: left hemianopia. Presenting Symptom: over-reaching for object; normal visual acuity; difficulty identifying objects; difficulty in spatial relations. History: Episodes of disorientation. Disease/ Diagnosis: Agnosia. | Agnosias; Tactile Agnosia |
| 9 |
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NOVEL_Cogan_25-1 | Agnosia | 27 year old right-handed patient with epileptic seizures since age 14; just coming out of a petit mal attack and is disoriented. Presenting Symptom: memory loss; some difficulty reading and writing. Disease/Diagnosis: Epilepsy | Seizures, Neuro-Ophthalmologic Manifestations; Agnosias; Post-Epileptic Seizure |
| 10 |
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NOVEL_Cogan_23-5 | Agraphia (with associated alexia); Agnosias | 32 year old male; partial pneumonectomy 2 weeks prior; post-operative difficulty finding objects, with memory; confabulates to circumvent memory deficit. Disease/Diagnosis: Dyslexia, Acquired; Agraphia; Agnosia | Agraphia (with Associated Alexia); Agnosias; Pneumonectomy |
| 11 |
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NOVEL_Cogan_23-6 | Agraphia (with associated alexia); Agnosias | 32 year old male; partial pneumonectomy 3 weeks prior; post-operative difficulty finding objects and with memory; confabulates to circumvent memory deficit. Presenting Symptom: visual function has improved significantly since the earlier recording (5 days prior); memory remains profoundly deficient;... | Agraphia (with Associated Alexia); Agnosias; Pneumonectomy |
| 12 |
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NOVEL_Cogan_21-6 | Agraphia (with associated alexia) | Clinical Signs: symmetrical opto-kinetic response. 42 year old right-handed male; vague symptoms dating 2 months with acute symptoms for past 2 weeks, especially in calculations; occasional difficulties with speech, writing, and dressing. Disease/ Diagnosis: Acquired Agraphia; Dyscalculia; Alexia, P... | Eye Movement Recordings; Agraphia (with associated alexia); Aphasia; Dyscalculia; Alexia; Dysgraphia; Dressing Ataxia |
| 13 |
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NOVEL_Cogan_22-1 | Agraphia (with associated alexia) | difficulty in dressing; episodes of disorientation. Presenting Symptom. over-reaching for object; normal visual acuity; difficulty identifying objects; difficulty in spatial relations. Disease/ Diagnosis: Dyslexia, Acquired; Agraphia; Agnosia | Agraphia (with Associated Alexia); Agnosias; Dyslexia; Apraxia |
| 14 |
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NOVEL_Cogan_22-3 | Agraphia (with associated alexia) | Presenting Symptom: ongoing difficulty with reading. History: initial episode 2 years ago; 46 year old male; unusually articulate; has an objective insight into episodes; passed out and fell down stairs; unconscious for 2 weeks; took several days to recognize his wife; speech impairment. Disease/ Di... | Agraphia (with Associated Alexia); Prosopagnosia; Apraxia; Dyslexia |
| 15 |
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NOVEL_Cogan_16-1 | Alzheimer's | History: 11/26/75: Patient of Dr. Kolsky's examined by Bob Yee. The patient is a 65 year old woman with pre-senile dementia and abnormal opticokinetic response. The history is that at the age of 60 her recent and past memory became poor and she developed a vertical and horizontal diplopia at near an... | Alzheimer's; Eye Movement Recordings; Eye Movement Systems Pathology |
| 16 |
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NOVEL_Cogan_16-2 | Alzheimer's | History and Presenting Symptom: 11/26/75: Patient of Dr. Kolsky's examined by Bob Yee. The patient is a 65 year old woman with pre-senile dementia and abnormal opticokinetic response. The history is that at the age of 60 her recent and past memory became poor and she developed a vertical and horizon... | Alzheimer's |
| 17 |
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71_Angioid Streaks with Deep Hemorrhage | Angioid Streaks with Deep Hemorrhage | Presenting Symptom: Loss of central vision OD. Pathology: Hemorrhage. Clinical: The patient was a 46-year old male with typical angioid streaks evident about the discs. He had recently lost central vision in the right eye due to hemorrhage which can just be seen at the left of the picture. Disease/ ... | Retina; Angioid Streaks; Rupture; Retinal Hemorrhage; Optic Disk; Fundus Oculi |
| 18 |
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72_Angioid Streaks with Deep Hemorrhage | Angioid Streaks with Deep Hemorrhage | Presenting Symptom: Retinal hemorrhage. Pathology: Retinal hemorrhage. Clinical: Photograph of the same eye showing deep hemorrhage. These hemorrhages are apt to occur at the time of rupture of Bruch's membrane and may be precipitated by trauma. Disease/ Diagnosis: Rupture of the lamina basalis chor... | Retina; Retinal Hemorrhage; Bruch Membrane; Rupture; Angioid Streaks; Optic Disk; Fundus Oculi |
| 19 |
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70_Angioid Streaks with Paget's Disease | Angioid Streaks with Paget's Disease | Presenting Symptom: Angioid streaks. Pathology: Sarcoma. Clinical: The patient was a 53-year old male with generalized Paget's disease and osteogenic sarcoma of the jaw and pelvis. He had no visual complaint, but both fundi showed angioid streaks. These consisted of radiating dark lines extending fr... | Retina; Retinal Pigment Epithelium; Osteitis Deformans; Osteosarcoma; Angioid Streaks; Optic Disk; Fundus Oculi |
| 20 |
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20_Angulation at AV Crossing | Angulation at AV Crossing | Presenting Symptom: Optic disk compression. Pathology: Retinopathy. Clinical: The fundus of a 67-year old female with chloroquine retinopathy. Of incidental interest is the angulation of the AV crossing about one disc diameter below the disc and the compression of the disc. Disease/ Diagnosis: Chlor... | Retina; Chloroquine; Retinal Degeneration; Retinal Vessels; Retinal Vein Occlusion; Optic Disk; Fundus Oculi |
| 21 |
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NOVEL_Cogan_5-1 | Arnold Chiari Malformation | Presenting Symptom: vertigo; imbalance. 2-11-80: Pt seen at JHH with David Zee. Sx began 10-12 yrs ago with vertigo on defecation, hearty laughing, sneezing, or with anger. Devel an ataxic gait. Increasing recently. Diagnosis mad of Arnold Chiari on basis of myelogram and pt had a decompression whic... | Chiari Malformation |
| 22 |
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NOVEL_Cogan_5-2 | Arnold Chiari Malformation | Clinical Signs: coarse horizontal nystagmus; occasional vertical component. Presenting Symptom: vertigo. History: 2-11-80: Pt seen at JHH with Dr. David Zee. PP is a 35 year old man with peculia affect. Symptoms began 16 yrs. Ago with illus. ov.of environment; cd. Be stopped by tilting head. Gait h... | Chiari Malformation |
| 23 |
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NOVEL_Cogan_5-3 | Arnold Chiari Malformation | Clinical Signs: short neck; esotropia since childhood; horizontal nystagmus; cogwheel pursuit; ill-sustained vertical nystagmus; poor vestibular suppression; poor optokinetic response to drum; difficulty swallowing. Presenting Symptom: headache and neck pain w/ sneeze or cough. 1-9-80: 63 yr old man... | Chiari Malformation |
| 24 |
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NOVEL_Cogan_6-1 | Arnold Chiari Malformation | Presenting Symptom: downbeat nystagmus; hypometria to the right. 5-27-82: 32 year old man of short stature and overweight. Referred by Dr. Zee for study of down beat nystagmus. Has always had a short stocky neck and has had periodic apnea (2nd patient of Dr. Zee's with down beat nystagmus and interm... | Chiari Malformation |
| 25 |
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NOVEL_Cogan_1-9 | Arnold Chiari Malformation / Parkinson's Disease | Clinical Signs: downward jerking of eyes every 1-2 sec; nystagmus. 12-14-82: 50 yr. old woman who has been followed with a Dx of Parkinson's for 9 years with presenting Sx of progressive (?) stiffness of legs but not of arms. The conspicuous eye signs are down-beat nystagmus and poor pursuit and poo... | Posterior Cranial Fossa |