13 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... : • Adie's Pupil ... : • CN Ill Palsy ... dissociation • Other causes ... #neurology #ophthalmology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... Anisocoria - CN III Palsy ... Dilatation - Adie's ... #Differential #Diagnosis ... #Ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential Diagnosis ... pilocarpine • Oculomotor ... pilocarpine • Tonic (Adie's ... #Algorithm #Causes ... #Ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... - Differential Diagnosis ... Status - Consider Oculomotor ... cranial nerve) Palsy ... no neurological cause
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Adie’s tonic pupil ... would suggest oculomotor ... nerve palsy. ... clinical #video #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN Ill (Oculomotor ... ) Nerve Palsy ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Framework Causes ... closure glaucoma, Adie's ... #differential #diagnosis ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • CN VI palsy ... ptosis with CN Ill palsy ... large/unreactive pupil ... #Ophthalmology
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... #Clinical #Diagnosis ... #Management #Ophthalmology ... Chalazion #Comparison #Table
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... experience, the cause ... or induced by treatment ... how the right pupil ... clinical #video #ophthalmology