18 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... Palsy • CN IV ... palsy • CN VI ... #neurology #differential ... #diagnosis #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... for ptosis with CN ... #DoubleVision #Differential ... #Ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Ocular Movements ... (CN 3, 4, 6) ... Optic Nerve / Disc ... EyeExamination #Approach #Ophthalmology ... #PhysicalExam
Superior Oblique Myokymia 
Eye movement disorder where the superior oblique twitches periodically causing jumping of a
It is probably caused ... the trochlear nerve ... (CN IV) at the ... #Clinical #physicalexam ... video #trochlear #CN4
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
Left Abducens Spasm ... with left facial spasm ... #CNVI #CN6 #PhysicalExam ... #clinical #ocular ... #ophthalmology
Left oculomotor paralysis probably of ischemic cause.

via @neurologiabr

#oculomotor #nerve #paralysis #palsy #CNIII #CN3 #clinical #video #neurology
probably of ischemic cause ... #oculomotor #nerve ... #palsy #CNIII #CN3 ... video #neurology #ophthalmology ... #PhysicalExam
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... • Oculomotor Nerve ... Fascicle (Other CN ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Hemimasticatory Spasm on Physical Exam

Hemimasticatory spasm is a disorder of the trigeminal nerve → involuntary jaw
Hemimasticatory Spasm ... the trigeminal nerve ... Myokimia will cause ... #trigeminal #PhysicalExam ... clinical #cheek #CN5
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
exotropia): • CN ... hypotopia, mixed): • CN ... unreactive pupil) • CN ... Diagnosis #Algorithm #Causes ... #Ophthalmology