9 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Ill Palsy - ... abnormal extraocular movements ... dissociation • Other causes ... #neurology #ophthalmology
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
left lateral eye movement ... #Abducens #CNVI ... #CN6 #Ocular #physicalexam ... #clinical #video ... #neurology #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... Ill palsy ... large/unreactive pupil ... #Ophthalmology
Superior Oblique Myokymia 
Eye movement disorder where the superior oblique twitches periodically causing jumping of a
Myokymia Eye movement ... It is probably caused ... the trochlear nerve ... #physicalexam #video ... #CNIV
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
#Palsy #CN6 #Abducens ... #Nerve #clinical ... #video #neurology ... #ophthalmology ... #ocular #physicalexam
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Her ocular exam ... suggest oculomotor nerve ... palsy. ... anisocoria #clinical #video ... #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... GCA • Adie’s pupil ... or without eye movement ... #diagnosis #ophthalmology ... #causes
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
with third nerve ... palsy - Tentorial ... • Extraocular movement ... deficits (CN Ill ... #differential #