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/
TO
Filters: Collection: "ehsl_novel_dgc"
| Title | Subject | Type | ||
|---|---|---|---|---|
| 1 |
 |
'Histoplasmic' Chorioretinopathy | Retina; Histoplasmosis; Central Serous Chorioretinopathy; Optic Disc; Fundus Oculi | Image |
| 2 |
 |
'Histoplasmic' Chorioretinopathy' | Retina; Chorioretinitis; Histoplasmosis; Histoplasmin; Retinal Hemorrhage; Optic Disc; Fundus Oculi | Image |
| 3 |
 |
Acquired Nystagmus in Childhood | Eye Movement Recordings; Nystagmus, Congenital vs Acquired; Spasmus Nutans; Nystagmus, Optokinetic; Nystagmus, Specific Types and Their Localizing Calue | Image/MovingImage |
| 4 |
 |
Acute Obstruction of the Central Retinal Artery without Involvement of the Cilioretinal Artery | Retina; Retinal Artery Occlusion; Retinal Artery; Embolism; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 5 |
 |
Acute Obstruction of the Cilioretinal Artery without involvement of the Retinal Artery | Retina; Retinal Artery Occlusion; Retinal Artery; Retinal Hemorrhage; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 6 |
 |
Acute Occlusion of Central Retinal Artery with Sickle Cell Thalassemia Hemoglobinopathy | Retina; Hemoglobin, Sickle; Thalassemia; Hemoglobinopathies; Retinal Artery Occlusion; Retinal Artery; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 7 |
 |
Acute Papilledema; Cystic Fibrosis | Retina; Papilledema; Retinal Vessels; Intracranial Pressure; Retinal Hemorrhage; Cystic Fibrosis; Optic Disc; Fundus Oculi | Image |
| 8 |
 |
Agnosia | Agnosias; Tactile Agnosia | Image/MovingImage |
| 9 |
 |
Agnosia | Seizures, Neuro-Ophthalmologic Manifestations; Agnosias; Post-Epileptic Seizure | Image/MovingImage |
| 10 |
 |
Agraphia (with associated alexia) | Agraphia (with Associated Alexia); Prosopagnosia; Apraxia; Dyslexia | Image/MovingImage |
| 11 |
 |
Agraphia (with associated alexia) | Eye Movement Recordings; Agraphia (with associated alexia); Aphasia; Dyscalculia; Alexia; Dysgraphia; Dressing Ataxia | Image/MovingImage |
| 12 |
 |
Agraphia (with associated alexia) | Agraphia (with Associated Alexia); Agnosias; Dyslexia; Apraxia | Image/MovingImage |
| 13 |
 |
Agraphia (with associated alexia); Agnosias | Agraphia (with Associated Alexia); Agnosias; Pneumonectomy | Image/MovingImage |
| 14 |
 |
Agraphia (with associated alexia); Agnosias | Agraphia (with Associated Alexia); Agnosias; Pneumonectomy | Image/MovingImage |
| 15 |
 |
Alzheimer's | Alzheimer's; Eye Movement Recordings; Eye Movement Systems Pathology | Image/MovingImage |
| 16 |
 |
Alzheimer's | Alzheimer's | Image/MovingImage |
| 17 |
 |
Angioid Streaks With Deep Hemorrhage | Retina; Retinal Hemorrhage; Bruch Membrane; Rupture; Angioid Streaks; Optic Disc; Fundus Oculi | Image |
| 18 |
 |
Angioid Streaks with Deep Hemorrhage | Retina; Angioid Streaks; Rupture; Retinal Hemorrhage; Optic Disc; Fundus Oculi | Image |
| 19 |
 |
Angioid Streaks with Paget's Disease | Retina; Retinal Pigment Epithelium; Osteitis Deformans; Osteosarcoma; Angioid Streaks; Optic Disc; Fundus Oculi | Image |
| 20 |
 |
Angulation at AV Crossing | Retina; Chloroquine; Retinal Degeneration; Retinal Vessels; Retinal Vein Occlusion; Optic Disc; Fundus Oculi | Image |
| 21 |
 |
Arnold Chiari Malformation | Chiari Malformation | Image/MovingImage |
| 22 |
 |
Arnold Chiari Malformation | Chiari Malformation | Image/MovingImage |
| 23 |
 |
Arnold Chiari Malformation | Chiari Malformation | Image/MovingImage |
| 24 |
 |
Arnold Chiari Malformation | Chiari Malformation | Image/MovingImage |
| 25 |
 |
Arnold Chiari Malformation / Parkinson's Disease | Posterior Cranial Fossa | Image/MovingImage |
| 26 |
 |
Arterial Occlusion with Diabetes | Retina; Diabetic Retinopathy; Retinal Vessels; Retinal Artery Occlusion; Retinal Hemorrhage; Diabetes Mellitus, Type 1; Diabetes Complications; Optic Disc; Fundus Oculi | Image |
| 27 |
 |
Arterial Plaques with Hypercholesteremia | Retina; Retinal Vessels; Retinal Drusen; Hypercholesteremia; Hyperlipidemias; Plaque, Atherosclerotic; Optic Disc Drusen; Optic Disc; Fundus Oculi | Image |
| 28 |
 |
Asymmetric Monocular Nystagmus | Eye Movement Recordings; Nystagmus, Monocular | Image/MovingImage |
| 29 |
 |
Caput Medusae Secondary to Chronic Obstruction of Central Retinal Vein | Retina; Retinal Vein; Venules; Choroid; Retinal Vein Occlusion; Hypertension; Dilatation; Optic Disc; Fundus Oculi | Image |
| 30 |
 |
Chloroquine Retinopathy | Retina; Thioridazine; Chloroquine; Drug Toxicity; Retinal Diseases; Scotoma; Retinal Pigment Epithelium; Optic Disc; Fundus Oculi | Image |
| 31 |
 |
Choroidal 'Arteriosclerosis' | Retina; Retinal Vessels; Arteriosclerosis; Choroid Diseases; Retinal Telangiectasis; Hypertension; Hypercholesterolemia; Optic Disc; Fundus Oculi | Image |
| 32 |
 |
Chronic Papilledema; Intracranial Tumor | Retina; Papilledema; Retinal Vessels; Pontine Glioma; Brain Stem Neoplasms; Cerebrospinal Fluid Pressure; Hyperemia; Optic Disc; Fundus Oculi | Image |
| 33 |
 |
Chronic Progressive External Ophthalmoplegia (CPEO) | Eye Movement Recordings; Ptosis | Image/MovingImage |
| 34 |
 |
Collateral Circulation about a Tributary Venous Obstruction | Retina; Retinal Vein Occlusion; Hypercholesterolemia; Embolism, Cholesterol; Neovascularization, Pathologic; Optic Disc; Fundus Oculi | Image |
| 35 |
 |
Compensated Tributary Venous Occlusion | Retina; Optic Disc; Retinal Vein Occlusion; Venules; Hyperemia; Optic Disc; Fundus Oculi | Image |
| 36 |
 |
Complete Optic Atrophy | Retina; Optic Atrophy; Retinal Artery Occlusion; Optic Disc; Fundus Oculi | Image |
| 37 |
 |
Congenital Ocular Myopathies | Eye Movement Recordings; Myopathies, Congenital; Ptosis; Complete Ophthalmoplegia | Image/MovingImage |
| 38 |
 |
Definitions in Neuro-Ophthalmology | Agraphia (with Associated Alexia); Agnosias; Object Agnosia | Image/MovingImage |
| 39 |
 |
Definitions in Neuro-Ophthalmology | Agraphia (with Associated Alexia); Agnosias; Object Agnosia | Image/MovingImage |
| 40 |
 |
Definitions in Neuro-Ophthalmology | Agraphia (with Associated Alexia); Agnosias | Image/MovingImage |
| 41 |
 |
Diabetic Retinopathy with Subretinal Hemorrhage | Retina; Glaucoma; Diabetic Retinopathy; Retinal Vessels; Retinal Hemorrhage; Diabetes Mellitus; Diabetes Complications; Optic Atrophy; Optic Disc; Fundus Oculi | Image |
| 42 |
 |
Diffuse Retinopathy Associated with Syphilis | Retina; Retinitis Pigmentosa; Neurosyphilis; Optic Atrophy; Retinal Pigment Epithelium; Macula Lutea; Retinal Diseases; Optic Disc; Fundus Oculi | Image |
| 43 |
 |
Disseminated Chorioretinitis; Syphilis | Retina; Chorioretinitis; Syphilis, Congenital; Optic Disc; Fundus Oculi | Image |
| 44 |
 |
Distension of Veins with Macroglobulinemia | Retina; Blood Viscosity; Retinal Vessels; Hyperemia; Waldenstrom Macroglobulinemia; Vertigo; Syncope; Epistaxis; Optic Disc; Fundus Oculi | Image |
| 45 |
 |
Distension of Veins with Myelogenous Leukemia | Retina; Retinal Vessels; Blood Viscosity; Leukemia, Myeloid, Acute; Retinal Hemorrhage; Retinal Telangiectasis; Papilledema; Hyperemia; Optic Disc; Fundus Oculi | Image |
| 46 |
 |
Distension of Veins with Polycythemia | Retina: Polycythemia; Blood Viscosity; Hyperemia; Retinal Hemorrhage; Papilledema; Tetralogy of Fallot; Optic Disc; Fundus Oculi | Image |
| 47 |
 |
Downbeat Nystagmus | Chiari Malformation | Image/MovingImage |
| 48 |
 |
Dragged Discs With Retrolental Fibroplasia | Retina; Retinopathy of Prematurity; Retinal Hemorrhage; Retinal Vessels; Vitreous Body; Optic Disc; Fundus Oculi | Image |
| 49 |
 |
Drusen | Retina; Retinal Hemorrhage; Retinal Drusen; Bruch Membrane; Retinal Pigment Epithelium; Optic Disc; Fundus Oculi | Image |
| 50 |
 |
Dystonia with Eye Movement Abnormalities | Eye Movement Systems Pathology; Eye Movement Recordings | Image/MovingImage |
| 51 |
 |
Dystonia with Eye Movement Abnormalities | Eye Movement Systems Pathology; Eye Movement Recordings | Image/MovingImage |
| 52 |
 |
Dystonia with Eye Movement Abnormalities | Eye Movement Systems Pathology; Eye Movement Recordings; Gaze-Evoked Nystagmus | Image/MovingImage |
| 53 |
 |
Dystonia with Eye Movement Abnormalities | Eye Movement Systems Pathology; Eye Movement Recordings | Image/MovingImage |
| 54 |
 |
Dystonia with Eye Movement Abnormalities | Eye Movement Systems Pathology; Eye Movement Recordings; Internuclear Ophthalmoplegia | Image/MovingImage |
| 55 |
 |
Eales' Disease Associated with Thalassemia Minor | Retina; Retinal Telangiectasis; Retinal Vasculitis; Retinal Vein Occlusion; beta-Thalassemia; Venules; Conjunctival Diseases; Optic Disc; Fundus Oculi; Eales' Disease | Image |
| 56 |
 |
Early Appearance of Fundus with Central Retinal Artery Occlusion | Retina; Retinal Artery Occlusion; Retinal Artery; Macula Lutea; Optic Disc; Fundus Oculi; Central Retinal Artery Occlusions | Image |
| 57 |
 |
Embolus of Inferior Retinal Artery | Retina; Embolism; Retinal Artery; Temporal Arteries; Optic Disc; Fundus Oculi | Image |
| 58 |
 |
Experimental Parkinson's Disease and Hemiplegia (Monkey) | Parkinson's Disease; Eye Movement Recordings; Experimental Hemiplegia | Image/MovingImage |
| 59 |
 |
Experimental Parkinson's Disease and Hemiplegia (Monkey) | Parkinson's Disease; Eye Movement Recordings; Experimental Hemiplegia | Image/MovingImage |
| 60 |
 |
Experimental Wernicke's (Monkey) | Eye Movement Recordings; Wernicke Encephalopathy; Thiamine Deficiency; Pupil, Large; Nystagmus, Gaze Evoked; Nystagmus, Upbeat; Nystagmus, Downbeat | Image/MovingImage |
| 61 |
 |
Experimental Wernicke's: Progressive Ophthalmoplegia in One Monkey | Eye Movement Recordings; Wernicke Encephalopathy; Thiamine Deficiency; Nystagmus, Gaze Evoked; Nystagmus, Upbeat; Nystagmus, Downbeat | Image/MovingImage |
| 62 |
 |
Exudates and Cotton Wool Spots | Retina; Retinal Vessels; Ischemia; Retinal Hemorrhage; Papilledema; Hypertension; Exudates and Transudates; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 63 |
 |
Fabry's Disease | Retina; Retinal Vessels; Telangiectasis; Retinal Telangiectasis; Conjunctiva; Fabry Disease; Glycosphingolipids; Genetic Diseases, Inborn; Venules; Telangiectasis | Image |
| 64 |
 |
Flame-Shaped and Subhyaloid Hemorrhages | Retina; Retinal Hemorrhage; Vitreous Body; Leukemia, Myeloid; Purpura; Optic Disc; Fundus Oculi | Image |
| 65 |
 |
Fresh Chorioretinitis; Toxoplasmosis | Retina; Chorioretinitis; Toxoplasmosis; Exudates and Transudates; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 66 |
 |
Fresh Embolus of Inferior Retinal Artery | Retina; Embolism; Retinal Artery; Retinal Vessels; Retinal Hemorrhage; Optic Disc; Fundus Oculi | Image |
| 67 |
 |
Fresh Occlusion of the Central Retinal Vein (Central Region) | Retina; Retinal Vein Occlusion; Macula Lutea; Retinal Hemorrhage; Papilledema; Optic Disc; Fundus Oculi | Image |
| 68 |
 |
Fresh Occlusion of the Central Retinal Vein (Papillary Region) | Retina; Retinal Vein Occlusion; Retinal Telangiectasis; Retinal Hemorrhage; Papilledema; Optic Disc; Fundus Oculi; Central and Branch Vein Occlusions | Image |
| 69 |
 |
Fresh Tributary Venous Occlusion | Retina; Retinal Vein Occlusion; Retinal Hemorrhage; Ischemia; Papilledema; Temporal Arteries; Hypertension; Arteriosclerosis; Optic Disc; Fundus Oculi | Image |
| 70 |
 |
Fundus of a Blond | Retina; Retinal Pigment Epithelium; Sclera; Ciliary Arteries; Optic Disc; Fundus Oculi | Image |
| 71 |
 |
Fundus of a Child | Retina; Retinal Pigments; Retinal Pigment Epithelium; Optic Disc; Fundus Oculi | Image |
| 72 |
 |
Fundus of an Adult | Retina; Sclera; Retinal Vessels; Choroid; Optic Disc; Fundus Oculi | Image |
| 73 |
 |
Fundus of an Elderly Brunette | Retina; Retinal Pigment Epithelium; Hair Color; Optic Disc; Fundus Oculi | Image |
| 74 |
 |
Hemorrhages and Cotton Wool Spots with Anemia | Retina; Anemia, Megaloblastic; Ischemia; Optic Disc; Fundus Oculi | Image |
| 75 |
 |
Hemorrhagic Retinopathy with Lymphomatous Hyperproteinemia | Retina; Blood Viscosity; Leukemia, Lymphocytic, Chronic, B-Cell; Retinal Hemorrhage; Optic Disc; Fundus Oculi | Image |
| 76 |
 |
Hemorrhagic Retinopathy with Macroglobulinemia | Retina; Blood Viscosity; Retinal Vessels; Retinal Hemorrhage; Waldenstrom Macroglobulinemia; Hyperemia; Optic Disc; Fundus Oculi | Image |
| 77 |
 |
Hemorrhagic Retinopathy with Waldenstrom's Macroglobulinemia | Retina; Blood Viscosity; Ischemia; Retinal Hemorrhage; Waldenstrom Macroglobulinemia; Hyperemia; Blood Coagulation Disorders; Optic Disc; Fundus Oculi | Image |
| 78 |
 |
Hypoplasia of Optic Nerve | Retina; Optic Nerve; Diabetes Complications; Optic Disc; Fundus Oculi | Image |
| 79 |
 |
Incomplete Optic Atrophy | Retina; Optic Atrophy, Hereditary, Leber; Optic Disc; Fundus Oculi | Image |
| 80 |
 |
Ischemic Optic Neuropathy due to Anemia | Retina; Optic Neuropathy, Ischemic; Retinal Diseases; Papilledema; Esophageal Diseases; Gastrointestinal Hemorrhage; Anemia; Liver Cirrhosis, Alcoholic; Optic Disc; Fundus Oculi | Image |
| 81 |
 |
Ischemic Optic Neuropathy; Blood Loss | Retina; Optic Neuropathy, Ischemic; Retinal Hemorrhage; Gastrointestinal Hemorrhage; Hematemesis; Optic Disc; Fundus Oculi | Image |
| 82 |
 |
Ischemic Optic Neuropathy; Giant-Cell Arteritis | Retina; Retinal Vasculitis; Giant Cell Arteritis; Optic Neuropathy, Ischemic; Hyperesthesia; Optic Disc; Fundus Oculi | Image |
| 83 |
 |
Kearnes-Sayre Syndrome | Eye Movement Recordings; Ptosis; Retinal Disorders, Degenerative; Chronic Progressive External Opthalmoplegia; Kearnes-Sayre Syndrome | Image/MovingImage |
| 84 |
 |
Late Appearance | Retina; Optic Atrophy; Optic Disc; Retinal Vessels; Fundus Oculi; Central Retinal Artery Occlusions | Image |
| 85 |
 |
Left-Right Confusion with Expressive Aphasia | Eye Movement Recordings; Right-Left Confusion; Aphasia | Image/MovingImage |
| 86 |
 |
Leukemic Optic Neuropathy | Retina; Leukemia, Myeloid; Leukemic Infiltration; Retinal Diseases; Retinal Hemorrhage; Optic Disc; Fundus Oculi | Image |
| 87 |
 |
Lid Twitch Sign in Myasthenia Gravis | Lid Twitch; Eye Movement Recordings | Image/MovingImage |
| 88 |
 |
Lipemia Retinalis | Retina; Hypercholesteremia; Hyperlipidemias; Retinal Vessels; Optic Disc; Fundus Oculi | Image |
| 89 |
 |
Long-standing Embolic (Calcific) Obstruction of the Inferior Temporal Artery | Retina; Mitral Valve Stenosis; Calcification, Physiologic; Embolism; Temporal Arteries; Fundus Oculi | Image |
| 90 |
 |
Loss of Horizontal OKN with Poor Saccadic Initiation | Eye Movement Recordings; Doll's Eye Reflex | Image/MovingImage |
| 91 |
 |
Massive Exudate and Punctate Hemorrhages | Retinal; Exudates and Transudates; Retinal Hemorrhage; Macula Lutea; Hypertension; Diabetes Complications; Optic Disc; Fundus Oculi | Image |
| 92 |
 |
Metastatic Carcinoma | Retina; Optic Neuropathy, Ischemic; Choroid; Bone Neoplasms; Adenocarcinoma; Neoplasm Metastasis; Optic Disc; Fundus Oculi | Image |
| 93 |
 |
Mild Diabetic Retinopathy | Retina; Diabetic Retinopathy; Retinal Hemorrhage; Venules; Retinal Telangiectasis; Diabetes Mellitus; Optic Disc; Fundus Oculi | Image |
| 94 |
 |
Mild Diabetic Retinopathy | Retina; Diabetic Retinopathy; Retinal Hemorrhage; Diabetes Mellitus; Diabetes Complications; Retinal Vein Occlusion; Exudates and Transudates; Optic Disc; Fundus Oculi | Image |
| 95 |
 |
Mild Diabetic Retinopathy | Retina; Diabetic Retinopathy; Retinal Vessels; Retinal Hemorrhage; Diabetes Mellitus; Diabetes Complications; Exudates and Transudates; Optic Disc; Fundus Oculi | Image |
| 96 |
 |
Miliary Tuberculosis | Retina; Chorioretinitis; Tuberculosis, Miliary; Granuloma; Macula Lutea; Optic Disc; Fundus Oculi | Image |
| 97 |
 |
Missed Diagnosis in Neuro-Ophthalmology | Downbeat Nystagmus; Eye Movement Recordings; Oscillopsia | Image/MovingImage |
| 98 |
 |
Missed Diagnosis in Neuro-Ophthalmology | Nystagmus, Abducting; Eye Movement Recordings | Image/MovingImage |
| 99 |
 |
Moderate Diabetic Retinopathy | Retina; Diabetic Retinopathy; Retinal Hemorrhage; Diabetes Mellitus; Diabetes Complications; Exudates and Transudates; Optic Disc; Fundus Oculi | Image |
| 100 |
 |
Moderate Diabetic Retinopathy | Retina; Diabetic Retinopathy; Retinal Vessels; Retinal Hemorrhage; Diabetes Mellitus; Diabetes Complications; Optic Disc; Fundus Oculi | Image |