406 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Ischemic Optic Neuropathy ... , Retinal Hemorrhage ... Diagnosis #causes #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... vision • Pale retina ... spot on fovea Management ... • Immediate ophthalmology ... Clinical #Fundoscopy #Ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
ischemic optic neuropathy ... , vasculitis) Retinal ... reversible Optic neuropathy ... chronic optic neuropathy ... Differential #Diagnosis #Ophthalmology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... excretion • Acute renal ... Drugs • Diabetic Nephropathy ... • Obstructive uropathy ... • Sickle-cell nephropathy
Classic signs of arteritic anterior ischemic optic neuropathy or giant cell arteritis are mild arterial narrowing
ischemic optic neuropathy ... Korean Journal of Ophthalmology ... ischemic #optic #neuropathy ... #disc #nerve #Ophthalmology
Central Retinal Artery Occlusion (CRAO) vs Central Retinal Vein Occlusion (CRVO) - A Comparison Table

Clinical Features,
Central Retinal ... CRAO) vs Central Retinal ... #CRAO #CRVO #Ophthalmology ... #Diagnosis #Management
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina 11. ... nerve swelling Retina ... vein occlusion - Retinal ... hereditary optic neuropathy ... differential #diagnosis #ophthalmology
Tethered Retinal Detachment on Point of Care Ultrasound (POCUS)

Retina is tethered at ora serrata and optic
Tethered Retinal ... Ultrasound (POCUS) Retina ... jchristianfox #Retinal ... Ocular #Ultrasound #Ophthalmology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
- Nociceptive/Neuropathic ... longer duration Neuropathic ... Neuroma • Neuropathy ... • Complex regional
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... fundoscoplc exam Management ... : • Ophthalmology ... Clinical #Fundoscopy #Ophthalmology