11 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... #PhysicalExam #neurology ... #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... • CN IV (Trochlear ... • CN VI (Abducens ... #neurology #differential ... #diagnosis #ocular
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Sphenoid sinusitis (CN ... intracranial pressure (CN ... orbitopathy) • Corneal ... hypertension (CN
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Diagnosis 1. ... Anisocoria - CN ... III Palsy - Pharmacologic ... Dilatation - Adie's ... #Diagnosis #Ophthalmology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... peripheral lesion of CN ... here by a Bell's palsy ... #CNVII #CN7 #Peripheral ... #Neurology #Diagnosis
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
unmasks subtle right CN ... a subtle right CN ... #CN6 #Abducens ... #ophthalmology ... #ocular #physicalexam
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... for ptosis with CN ... • Neurologic ... Functional • Corneal ... #Causes #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... • Horner syndrome ... #Differential # ... Diagnosis #ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
• Symmetrical corneal ... exotropia): • CN ... hypotopia, mixed): • CN ... unreactive pupil) • CN ... #Causes #Ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... basal ganglia, CNS ... meningitis), MCC CNS ... Behcet disease) Differential ... collaboration • CNS