1663 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... Chemosis: Edema ... anterior to the orbital ... > Conjunctival chemosis ... • Involves the orbit
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
• Unilateral orbital ... sinus, superior orbital ... fissure or orbit ... Syndrome #TolosaHunt #neurology
Chemosis in Post-Septal (Orbital) Cellulitis - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Chemosis #Orbital #Cellulitis #conjunctiva
Chemosis in Post-Septal ... (Orbital) Cellulitis ... @oftalmopo #Chemosis ... #Orbital #Cellulitis
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
Phimosis Inability ... emergency #Phimosis ... Comparison #Diagnosis #Urology
Proptosis and Chemosis caused by Cavernous Sinus Fistula on Ocular Exam

This 73 presented for blurred, double
Proptosis and Chemosis ... ophthalmoplegia and chemosis ... ophthalmology #Chemosis
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... - Spheno-orbital
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital
Preseptal Cellulitis vs Orbital Cellulitis
Preseptal Cellulitis
 • Unlikely to have complications
 • Due to external source
Cellulitis vs Orbital ... Strep, Anaerobes Orbital ... #Preseptal #orbital
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