6 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
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
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
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
suggest oculomotor nerve ... palsy. ... anterior_seg_rocks #Adies ... anisocoria #clinical #video ... #ophthalmology
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 #