29 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
) Nerve palsy ... Iniury • One-and-a-half ... Syndrome • Cavernous ... ophthalmology #neurology ... differential #diagnosis #ocular
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 # ... ophthalmology #Neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... medial rectus, and ... #Palsy #Oculomotor ... Nerve #Cranial #neurology
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 ... #Ocular #physicalexam ... clinical #video #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Diagnosis: • CN ... Ill Palsy - ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
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
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... in size (micro and ... • CNS: parietal ... • Epilepsy • Psychiatric ... #diagnosis #neurology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
And the left eye ... #CN6 #Abducens ... clinical #video #neurology ... ophthalmology #ocular ... #physicalexam
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 ... a Half Syndrome ... #PhysicalExam # ... ophthalmology #neurology