14 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 ... dilate symmetrically ... Tonic (Adie's) Pupil ... #Pupils #Defects ... #Ophthalmology
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
Both pupils should ... Both pupils remain ... Instead of pupil ... #Diagnosis #PhysicalExam ... #Ophthalmology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Ptosis is severe in comparison ... inferior oblique • Dilated ... Pupil: Loss of ... innervation to pupil
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Relative Afferent Pupil ... Neuropathy Constricted Pupils ... #Pupils #Defects ... #Algorithm #Causes ... #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Regular and mildly dilated ... pupil (4-6mm); ... : • CN Ill Palsy ... of tonic pupil
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Pupil - Differential ... Status - Consider Oculomotor ... cranial nerve) Palsy ... no neurological cause ... #Pupil #differential
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
of Mydriasis: Dilated ... pupils (mydriasis ... , Adie's tonic pupil ... : Constricted pupils ... Argyll Robertson pupils
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.
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
innervation to dilator ... pupillae muscle ... Ptosis is mild in comparison ... to oculomotor nerve ... palsy (levator