5820 results
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... thrombosis) - Orbital ... Vascular - Orbital ... Eye redness • Ophthalmoplegia ... #Differential #Diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
encephalopathy, Orbital ... Graves disease), Ophthalmoplegic ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital ... #differential #diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... three clinical diagnoses ... Supranuclear lesions • Ophthalmoplegia ... laceration or orbital ... prolapse of the orbital
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
hyperthyroidism Diagnosis ... irritation, peri orbital ... Thyroid thrill • Ophthalmoplegia ... hyperthyroidism #causes #diagnosis
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 #Apex
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 ... eye movement or opthalmoplegia ... • Involves the orbit ... ophthalmology #diagnosis
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
• Unilateral orbital ... sinus, superior orbital ... fissure or orbit ... TolosaHunt #neurology #diagnosis
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
- Differential Diagnosis ... Algorithm Lids / Orbit ... cellulitis • Orbital ... #Differential #Diagnosis
Preseptal Cellulitis vs Orbital Cellulitis
Preseptal Cellulitis
 • Unlikely to have complications
 • Due to external source
Cellulitis vs Orbital ... Strep, Anaerobes Orbital ... #Preseptal #orbital ... Cellulitis #comparison #diagnosis
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital