11 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Artery Occlusion ... (CRAO) Clinical ... • Cherry red spot ... #Fundoscopy #Ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Vein Occlusion ( ... common cause: Diabetic ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... Pathogenesis and clinical ... infarcts from occlusions ... -> Cotton-wool spots ... #ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... axoplasm into retina ... hypertension, diabetes ... #fundoscopy #ophthalmology ... #Clinical
Hypertensive Retinopathy on Fundoscopy Ocular Examination

Patient with grade IV hypertensive retinopathy. Papilledema, hemorrhages, and cotton-wool spots
Papilledema, hemorrhages ... and cotton-wool spots ... Retinopathy #cottonwool #Retina ... #PhysicalExam #clinical ... #video #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... edema seen on fundoscopy ... RPE -> Loss of photo ... - Faded/blind spots ... pathophysiology #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... Hard Exudates • Occlusion ... -> Cotton-wool Spots ... disc edema. -> Papilledema ... pathophysiology #ophthalmology
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
POCUS Eye, linear ... (fundoscopic—same ... 3mm posterior to retina ... #clinical #ultrasound ... #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Artery Occlusion ... ophthalmic artery which splits ... #Clinical #Ophthalmology ... #Fundoscopy #Central ... #Occlusion #CRAO
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... Artery Occlusion ... intra-arterial spot ... #clinical #ultrasound ... #ophthalmology