32 results
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... encephalopathy, Orbital apex ... syndrome, Cavernous ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology
Ophthalmoplegia secondary to Orbital Apex Syndrome

A 61-year-old man presented with retro-orbital pain, near-complete ophthalmoplegia, loss of
secondary to Orbital Apex ... Syndrome A 61 ... #Syndrome #Clinical ... #Video #Ophthalmology ... #PhysicalExam #
Diplopia - Differential Diagnosis
Step 1: Consider Stroke
Step 2: Diplopia PLUS
 - Cavernous Sinus Syndrome
 - Infection
Cavernous Sinus Syndrome ... HA - Orbital Apex ... Syndrome Step ... Differential #Diagnosis #Algorithm ... #Causes #Schema
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... clinical #video #ophthalmology ... #physicalexam #
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... Miller-Fisher syndrome ... neuropathy (orbital apex ... Differential #Diagnosis #Causes ... #Ophthalmology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... tumors along the apex ... experience, the cause ... clinical #video #ophthalmology ... #physicalexam #
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Differential #Diagnosis #algorithm
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Demyelination • MS ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Differential Diagnosis Algorithm ... Restless Legs Syndrome ... Parkinson's, MS) ... #Causes
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Midbrain (Parinaud's Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology