12 results
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Horner's syndrome • Extraocular ... neudrawlogy #CNIII #CN3 ... Nerve #Cranial #neurology ... #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... • CN IV (Trochlear ... • CN VI (Abducens ... ophthalmology #neurology ... #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Diagnosis Framework ... CN III palsy 2. ... - Neurologic disease ... • Third nerve palsy ... #neurology #Differential
Right Oculomotor (CNIII) Palsy on Physical Exam

Demonstrates right eyelid ptosis, paralyzed medial rectus and ipsilateral mydriasis.

Dr.
Oculomotor (CNIII) Palsy ... Demonstrates right eyelid ptosis ... #clinical #video ... #CN3 #clinical ... #video #neurology
Left Abducens Palsy on Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Abducens #Palsy #CN6 #CNVI #Ocular #PhysicalExam #clinical #video
Left Abducens Palsy ... on Ocular Examination ... #CN6 #CNVI #Ocular ... PhysicalExam #clinical #video ... ophthalmology #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... • Look for ptosis ... with CN Ill palsy ... • Neurologic ... Myasthenia Gravis Extraocular
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
Lateral Rectus Palsy ... on Ocular Examination ... Abducens #CNVI #CN6 ... #clinical #video ... #neurology #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... : • CN Ill Palsy ... - abnormal extraocular ... #PhysicalExam #neurology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
unmasks subtle right CN ... a subtle right CN ... #CN6 #Abducens ... Nerve #clinical #video ... #ocular #physicalexam
Summary of actions of some Cholinergic Agonists

Bethanechol 
• Used in treatment of urinary retention 
• Binds
during ocular surgery ... penetrate the CNS ... motility • Reverses CNS ... antidepressants • Reverses CNS ... penetrate the CNS