13 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... (Abducens) Nerve ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular ... #CNIII #CNIV #CNVI ... #Neurology #Diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Diagnosis Algorithm ... (2% of facial nerve ... : Bell's Palsy ( ... #Diagnosis #Algorithm ... #Causes #neurology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
(Abnormal) This ... #CN6 #Abducens ... #Nerve #clinical ... #video #neurology ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm ... • CN VI palsy ... • Neurologic ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... palsy • Horner ... effect of some abnormal ... Diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... abnormal extraocular ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... Diagnosis Algorithm ... conditions Optic Nerve ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
acetate to help with ocular ... findings included abnormal ... , abducens nerve ... clinical #video #ophthalmology ... #physicalexam #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Diagnosis Framework ... glaucoma - Ocular ... the trigeminal nerve ... #diagnosis #ophthalmology ... #Neurology