13 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal Artery ... Occlusion (CRAO ... ) Clinical: • ... RetinalArtery #Occlusion ... #Fundoscopy #Ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal Vein Occlusion ... Second most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
occlusive disease ... Retinal vein occlusion ... Ocular causes - ... chamber hemorrhage, vitreous ... Differential #Diagnosis #Ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Occlusion (CRAO ... Causes: - Carotid ... #Clinical #Ophthalmology ... #Fundoscopy #Central ... #Occlusion #CRAO
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Retinal detachment, Vitreous ... hemorrhage, Retinal artery ... or vein occlusion ... differential #diagnosis #causes ... #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Occlusion: Pathogenesis ... and clinical findings ... Occlusion (CRAO ... retinal edema caused ... pathophysiology #ophthalmology
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal Artery ... Occlusion (CRAO ... artifact in the vitreous ... Ocular #POCUS #clinical ... #ultrasound #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... a mass as the cause ... a diagnosis of exclusion ... Distortion/Scarring • Vitreous ... #Ophthalmology
Retinal Detachment
 - Posterior vitreous shrinks with advancing age (aka synchysis senilis), pulling on the retina.
Detachment - Posterior vitreous ... - Pulling can cause ... Hollands 2009) #Clinical ... #Ophthalmology ... #Fundoscopy #Retinal
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... Ophthalmic Artery ... hyalinization causes ... Hard Exudates • Occlusion ... pathophysiology #ophthalmology