15 results
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Measure pupil size ... noted, re-measure pupil ... - Adie's Tonic Pupil ... #Ophthalmology ... #Pupillary #Pupils
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- 10% cocaine: pupils ... Nerve/Fascicle ... Tonic (Adie's) Pupil ... #Pupils #Defects ... #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Relative Afferent Pupil ... Neuropathy Constricted Pupils ... #Pupils #Defects ... #Algorithm #Causes ... #Ophthalmology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Ptosis is severe in comparison ... oblique • Dilated Pupil ... innervation to pupil ... #Oculomotor #Nerve
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... Fixed #Dilated #Pupil
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... mildly dilated pupil ... Syndrome: • Adie's Pupil ... : • CN Ill Palsy ... of tonic pupil
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
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
innervation to dilator pupillae ... Ptosis is mild in comparison ... to oculomotor nerve ... palsy (levator ... Horners #Syndrome #diagnosis
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... (fixed dilated pupil ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
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 ... , the affected pupil ... Failure of the pupil ... nerve palsy.