9 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Detachment, Central Retinal ... , Central Retinal ... Optic Neuropathy, Retinal
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Artery Occlusion ... : • Sudden, painless ... vision • Pale retina ... • Cherry red
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion ( ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Retinal Artery ... pallor -> Cherry-red ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... Vision Loss: • Retinal ... or hemorrhage, Retinal ... artery or vein ... diagnosis #causes #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Optic neuritis • Retinal ... detachment • Central retinal ... artery occlusion ... • Central retinal ... vein occlusion
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... presented with painless ... intra-arterial spot sign ... arrow) c/w central retinal ... EUSmkh #Central #Retinal
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Ophthalmic Artery ... hemorrhages in the inner retina ... nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... in literature (NEJM ... 95% of cases (Cornelia ... NEJM 2014). ... required +/- prompt ophthalmology