9 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
VI (Abducens) Nerve ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
facial spasm and diplopia ... paroxysmal brainstem syndrome ... #PhysicalExam # ... clinical #ocular #ophthalmology ... #neurology #video
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... finding of diplopia ... Miller-Fisher syndrome ... Diagnosis #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Vision - Differential ... • Neurologic ... a mass as the cause ... #DoubleVision #Differential ... #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... hemianopia and diplopia ... , palsy of the abducens ... #Infections #differential
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 ... (headache and diplopia ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
(CES) is usually ... - Emergency Causes ... myelopathy • Transverse ... #differential # ... #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... trochlear nerve, abducens ... clinical #video #ophthalmology ... #physicalexam # ... neurology