24 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Nerve / Track: Glaucoma ... Detachment, Central ... Occlusion, Central ... #causes #ophthalmology
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... Occlusion (CRVO) Clinical ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Occlusion (CRAO) Clinical ... Occlusion #CRAO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... retinopathy • Central ... poisoning • Central ... #ophthalmology ... #causes
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Second most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... OpticDisc #Cupping #fundoscopy ... #ophthalmology ... #Clinical
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Differential Diagnosis ... Caused by decreased ... Ocular causes - ... floaters obscuring central ... #Ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Pathogenesis and clinical ... => Central Retinal ... edema caused by ... #diagnosis #signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... a Red Eye: • Optic ... detachment • Central ... occlusion • Central ... #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Central Retinal ... Causes: - Carotid ... also important cause ... #Clinical #Ophthalmology ... #Fundoscopy #Central