125 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... anterior to the orbital ... • Involves the orbit ... #Cellulitis #pathophysiology ... #ophthalmology
Orbital Emphysema following ocular trauma and sneezing.

#Orbital #Emphysema #ocular #physicalexam #ophthalmology #clinical #video #crepitus
Orbital Emphysema ... #Orbital #Emphysema ... #physicalexam #ophthalmology
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital ... Retrobulbar #Hemorrhage #Ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital ... Algorithm #Causes #Ophthalmology
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... Bilateral #Causes #ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... syndrome • Orbital ... pseudotumor • Orbital ... blowout fracture of orbital ... Diagnosis #Causes #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
encephalopathy, Orbital ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital ... differential #diagnosis #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
• Immediate ophthalmology ... consult • Orbital ... Clinical #Fundoscopy #Ophthalmology
Anatomy of orbit and eyelid with associated pathologic processes by location. (B) External anatomy of the
Anatomy of orbit ... #Anatomy #Ophthalmology ... #Ocular #Orbit
Ophthalmoplegia secondary to Orbital Apex Syndrome

A 61-year-old man presented with retro-orbital pain, near-complete ophthalmoplegia, loss of
Ophthalmoplegia secondary to Orbital ... presented with retro-orbital ... Ophthalmoplegia #Orbital ... Clinical #Video #Ophthalmology