15 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #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
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Nerve / Track: Glaucoma ... Endophthalmitis, Glaucoma ... Artery Occlusion, Central ... Differential #Diagnosis #causes ... #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
acute-angle closure glaucoma ... angle closure glaucoma ... pulsations on funduscopy ... angle closure glaucoma ... vasoconstriction syndrome, central
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Caused by decreased ... Ocular causes - ... (angle closure glaucoma ... floaters obscuring central ... Differential #Diagnosis #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... generally with central ... #pathophysiology ... #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
the eye can be caused ... Common Causes: ... detachment • Central ... artery occlusion • Central ... differential #diagnosis #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
- Distorted central ... edema seen on fundoscopy ... blind spots in central ... MacularDegeneration #pathophysiology ... #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
retinopathy • Central ... angle-closure glaucoma ... poisoning • Central ... differential #diagnosis #ophthalmology ... #causes
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