24 results
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
(Adie's pupil) ... OculomotorNerve (CN ... - Homer's Syndrome ... #Diagnosis #Ophthalmology ... Anisocoria #Adies #Horners
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Syndrome Horner's ... have friends, is caused ... (constricted pupil ... Horner's svndrome ... #Ophthalmology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... - Horner's ... Syndrome - Physiologic ... Anisocoria - CN ... #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Unilateral Mydriasis: CN ... Unilateral Miosis: Horner's ... syndrome, Posterior ... #ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... Note that right pupil ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
comparison to Horner's ... syndrome • Extraocular ... oblique • Dilated Pupil ... innervation to pupil ... Cranial #neurology #diagnosis
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Midbrain (Parinaud's Syndrome ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... consistent with a diagnosis ... of Horner's syndrome ... how the right pupil ... #video #ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential Diagnosis ... Fascicle (Other CN ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes ... PhysicalExam #neurology #ophthalmology