29 results
Right Oculomotor (CNIII) Palsy caused by Stroke

Dr. Bruno Farnetano @bruno.farnetano

#Oculomotor #CNIII #Palsy #clinical #video #CN3 #clinical
Right Oculomotor ... (CNIII) Palsy caused ... bruno.farnetano #Oculomotor ... video #neurology #physicalexam ... #ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Argyll Robertson Pupil ... small (1-2mm) pupil ... association), Wernicke Encephalopathy ... neurology #diagnosis #ophthalmology ... #physicalexam
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- 10% cocaine: pupils ... pilocarpine • Oculomotor ... Tonic (Adie's) Pupil ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Relative Afferent Pupil ... Neuropathy Constricted Pupils ... Midbrain (Parinaud's Syndrome ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... #PhysicalExam # ... clinical #video #ophthalmology ... #neurology #syndrome
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Holmes-Adie Syndrome ... dissociation • Other causes ... #PhysicalExam # ... neurology #ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... differential #diagnosis #ophthalmology ... #causes
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... than 3mm in this case ... would suggest oculomotor ... clinical #video #ophthalmology ... #physicalexam #
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN Ill (Oculomotor ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... gravis, Wernicke's encephalopathy ... , Orbital apex syndrome ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology