12 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
CN VI (Abducens ... Iniury • One-and-a-half ... Syndrome • Cavernous ... ophthalmology #neurology ... differential #diagnosis #ocular
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
And the left eye ... eye is uncovered and ... #CN6 #Abducens ... clinical #video #neurology ... ophthalmology #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... Saturday night palsy ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... Myotomes #diagnosis #neurology
Round the Houses Sign of PSP on Physical Exam

Round the house sign in Progressive Supranuclear Palsy.
Supranuclear Palsy ... route going up and ... clinical #video #ocular ... #neurology #Progressive ... #Supranuclear #Palsy
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
Left Abducens Spasm ... paroxysmal brainstem syndrome ... #Spasm #CNVI #CN6 ... PhysicalExam #clinical #ocular ... ophthalmology #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
benign • Regular and ... Holmes-Adie Syndrome ... Diagnosis: • CN ... Ill Palsy - ... #PhysicalExam #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in size (micro and ... • CNS: parietal ... (Many causes!) ... • Epilepsy • Psychiatric ... #diagnosis #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... • Third nerve palsy ... lens wearing • Ocular ... #Ptosis #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... pain • Extra-CNS ... Manifestations #diagnosis #neurology ... #symptoms #signs
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... An APD was noted ... with a right gaze palsy ... a Half Syndrome ... ophthalmology #neurology