23 results
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Abnormalities of the Optic Nerve ... Angle Closure Glaucoma ... Idiopathic • Glaucoma ... Diagnosis #Algorithm #Causes ... #Ophthalmology
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 ... death of optic nerve ... Cupping #fundoscopy #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
s phenomenon) Papilledema ... Caused by decreased ... nerve perfusion ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
conditions Optic Nerve ... - Pallor, Papilledema ... Cup:Disc: • Glaucoma ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Acute Monocular Vision Loss - Differential Diagnosis Framework
 • Cornea: Keratitis
 • Anterior Chamber: Hyphema, Acute
angle closure glaucoma ... Endophthalmitis • Optic Nerve ... Optic neuritis, Papilledema ... Differential #Diagnosis #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... inner retinal nerve ... disc edema. -> Papilledema ... pathophysiology #ophthalmology ... #diagnosis #signs
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
POCUS Eye, linear ... probe, optic nerve ... globe (crescent sign ... #Ocular #POCUS ... clinical #ultrasound #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
inflammation - Optic Nerve ... / Track: Glaucoma ... Endophthalmitis, Glaucoma ... Differential #Diagnosis #causes ... #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... leads to optic nerve ... damage & blindness Signs ... 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: ... lashes Dangerous Causes ... posterior chambers, nerves ... differential #diagnosis #ophthalmology