Best known for his world-renowned neuro-ophthalmology unit based at the University of California, San Francisco, William Hoyt, MD collected here more than 850 of his best images covering a wide range of disorders.
William F. Hoyt, MD, Professor Emeritus of Ophthalmology, Neurology and Neurosurgery, Department of Ophthalmology, University of California, San Francisco.
NOVEL: https://novel.utah.edu/
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| Title | Description | Type | ||
|---|---|---|---|---|
| 476 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. White changes in the arteriolar wall are called plasma bleeding. They are produced by scratches in the endothelium from cholesterol embolization. Anatomy: Retina. Pathology: Plasma bleeding, Post cholesterol embolization. Disease/Diagnosis: Carotid atherom... | Image |
| 477 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Note shiny cholesterol plaques in retinal arterial. Anatomy: Retina. Pathology: Occlusion of the superior retinal arteriole at the level of the optic disc. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Inferior visual field loss from ... | Image |
| 478 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Example of plasma bleeding in the arteriole wall secondary to cholesterol embolization. Anatomy: Retina. Pathology: Focal capillary bleeding. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Patient had several attacks of amaurosis fugax... | Image |
| 479 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Atheromatous embolism in retinal arteriole branch with associated minimal opacification. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Sudden inferior visual field loss. | Image |
| 480 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Atheromatous embolism in a patient who suffered sudden visual loss in his left eye. Anatomy: Retina. Pathology: Post cholesterol embolization. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Sudden visual loss in left eye. | Image |
| 481 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Cholesterol embolization causing capillary bleeding. Anatomy: Retina. Pathology: Focal capillary bleeding. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: No visual symptoms. | Image |
| 482 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Documentation of atheromatous embolus appearing at bifurcation during photographic session. R3_A18a shows no embolus and b shows new embolus. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease... | Image |
| 483 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Arteriole wall changes produced by a stuttering atheromatous embolus. Note the beaded track of the cholesterol embolus in the inferior retinal arteriole. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vasc... | Image |
| 484 |
 |
Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization in the superior temporal arteriole. Atheromatous emboli. Also note an embolus more distally in the inferior temporal arteriole. Left eye. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Cli... | Image |
| 485 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Branch retinal artery occlusion from atheromatous debris. Note gray areas of retina including the macula indicating infarction. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Su... | Image |
| 486 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Documentation of atheromatous embolus appearing at bifurcation during photographic session. A shows no embolus and R3_A18b shows new embolus. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease... | Image |
| 487 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Atheromatous emboli. Second view of inferior retinal arteriole with cholesterol embolus. Left eye. Pair with R3_A12a. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Transient ri... | Image |
| 488 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Central retinal artery occlusion at the level of the optic disc. The embolus that caused it can not be seen. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Blindness. | Image |
| 489 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Central retinal artery occlusion by soft atheromatous debris (mostly fibrin) causing blindness. Anatomy: Retina. Pathology: Carotid atheromatous disease. Disease/Diagnosis: Carotid atheromatous vascular disease. Clinical: Blindness. | Image |
| 490 |
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Retinal Signs of Atheromatous Embolization | Retinal signs of atheromatous embolization. Central retinal artery occlusion by soft atheromatous debris (mostly fibrin) causing blindness. All but one of the retinal arterioles have been converted to white strands. Anatomy: Retina. Pathology: Source of the embolic occlusion not determined. Disease/... | Image |
| 491 |
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Retinocerebral Arteriovenous Malformation (Wyburn Mason Syndrome) | Retinocerebral arteriovenous malformation with optic atrophy and central extension up the optic nerve into the brain. Ipsilateral facial involvement. Man from Thailand. Anatomy: Retina. Pathology: Arteriovenous malformation. Disease/Diagnosis: Wyburn Mason Syndrome. Clinical: Asian man with an exten... | Image |
| 492 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Examples of Slow flow (chronic hypoxic) retinopathy showing dilated and tortuous retinal veins and multiple capillary hemorrhages. This kind of retinopathy is produced by impaired arteriole circulation to the retina from various causes. Anatomy: Retina. Pathology: Ophthalmic artery venous malformati... | Image |
| 493 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Examples of Slow flow (chronic hypoxic) retinopathy showing produced by a carotid-cavernous sinus fistula. Arteriole pressure was low in the retina and venous pressure was elevated. Note the characteristic dot and blot hemorrhages in the black and white photo (R3B2b). Anatomy: Retina. Pathology: Car... | Image |
| 494 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Examples of Slow flow (chronic hypoxic) retinopathy produced by a carotid-cavernous sinus fistula. Arteriole pressure was low in the retina and venous pressure was elevated. Note the characteristic dot and blot hemorrhages in this black and white photo. Anatomy: Retina. Pathology: carotid-cavernous ... | Image |
| 495 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Slow flow (chronic hypoxic) retinopathy from macroglobulanemia. Note the dot and blot hemorrhages. Anatomy: Retina. Pathology: Macroglobulanemia. Disease/Diagnosis: Slow flow (chronic hypoxic) retinopathy from macroglobulanemia. | Image |
| 496 |
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Slow Flow (Chronic Hypoxic) Retinopathy | Slow flow (chronic hypoxic) retinopathy. Optic disc change in left eye (b) secondary to reduced carotid artery perfusion. Patient was an elderly man with a innominant artery occlusion. Note the reduced arteriole caliber in the left disc (b) compared to the right (a). Central retinal artery pressure ... | Image |
| 497 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Slow flow (chronic hypoxic) retinopathy. Optic disc change in left eye (b) secondary to reduced carotid artery perfusion. Patient was an elderly man with a innominant artery occlusion. Note the reduced arteriole caliber in the left disc (b) compared to the right (a). Central retinal artery pressure ... | Image |
| 498 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Slow flow (chronic hypoxic) retinopathy (right eye) in a man with polycythaemia rubra vera. Hematological disease. Anatomy: Retina. Pathology: Hematological disease. Disease/Diagnosis: Slow flow (chronic hypoxic) retinopathy secondary to polycythaemia. Clinical: No visual symptoms. | Image |
| 499 |
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Slow Flow (Chronic Hypoxic) Retinopathy | Slow flow (chronic hypoxic) retinopathy (right eye) in a man with polycythaemia rubra vera. Hematological disease. Anatomy: Retina. Pathology: Hematological disease. Disease/Diagnosis: Slow flow (chronic hypoxic) retinopathy secondary to polycythaemia. Clinical: No visual symptoms. | Image |
| 500 |
 |
Slow Flow (Chronic Hypoxic) Retinopathy | Examples of Slow flow (chronic hypoxic) retinopathy showing dilated and tortuous retinal veins and multiple capillary hemorrhages. This kind of retinopathy is produced by impaired arteriole circulation to the retina from various causes. Anatomy: Retina. Pathology: Ophthalmic artery venous malformati... | Image |