13 results
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... think about three clinical ... CN III palsy 2. ... #neurology #Differential ... #Diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Clinical Pearls ... • CN VI palsy ... • Look for ptosis ... with CN Ill palsy ... #Causes #Ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... Diagnosis Algorithm ... Preganglionic - Ptosis ... Fascicle (Other CN ... #Causes #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential ... Diagnosis Framework ... Unilateral Mydriasis: CN ... #differential # ... diagnosis #ophthalmology
Extraocular Muscle Actions & Clinical Testing
What about clinical testing of extraocular muscle function & associated nerve
Nerve Palsies: • CN ... Ill: ptosis, mydriasis ... down & out" • CN ... torsional diplopia • CN ... #testing #ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
basal ganglia, CNS ... meningitis), MCC CNS ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology ... collaboration • CNS
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
syndrome (GBS) (aka ... Differential diagnosis ... Multiple Sclerosis: CNS ...  Transverse myelitis
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
exotropia): • CN ... hypotopia, mixed): • CN ... and abducted, ptosis ... unreactive pupil) • CN ... #Causes #Ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... Diagnosis Framework ... Trochlear headache • CNS ... Photophobia #Headache #differential ... #diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology