646 results
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
vs Bilateral Unilateral ... Infections (can become bilateral ... thrombosis) - Orbital ... Vascular - Orbital ... Eye redness • Ophthalmoplegia
Wall-eyed bilateral inter nuclear ophthalmoplegia (WEBINO) Syndrome

In this specific case, the lesion is bilaterally in the
Wall-eyed bilateral ... inter nuclear ophthalmoplegia ... the lesion is bilaterally ... #Walleyed #bilateral ... #internuclear #ophthalmoplegia
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 ... Inflammation of orbital ... eye movement or opthalmoplegia ... • Involves the orbit
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 for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
for Vision Loss Unilateral ... arteritis, Retro-orbital ... optic neuropathy Bilateral ... to eye, Trauma Bilateral ... #bilateral #painful
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Unilateral orbital ... sinus, superior orbital ... fissure or orbit
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Lateral Canthotomy ... Instructions The orbit ... acute increase in orbital ... #Management #Lateral
Causes of Primary Headaches - Differential Diagnosis Algorithm
Unilateral
 • Migraine (Throbbing/Pulsating)
Bilateral
 • Tension/Stress Headache (Tightening, Band-Like,
Diagnosis Algorithm Unilateral ... Throbbing/Pulsating) Bilateral ... Cluster Headache (Orbital
Lateral Canthotomy and Cantholysis 
Primary indications 
 - Decreased visual acuity 
 - Intraocular pressure >
Lateral Canthotomy ... red macula - Opthalmoplegia ... Globe rupture #Lateral