11 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 ... Tonic (Adie's) Pupil ... #Pupils #Defects ... #Algorithm #Causes ... #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
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
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 ... Cranial #neurology #diagnosis
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... Status - Consider Oculomotor ... cranial nerve) Palsy ... no neurological cause ... Fixed #Dilated #Pupil
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Typical evaluation ... Adie’s tonic pupil ... , the affected pupil ... nerve palsy.
Pupillary size, equality, and light reactions help to assess the cause of coma and to determine
Pupillary size, ... to assess the cause ... that unrelated pupillary ... #Pupils #Comatose ... #Evaluation #Diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... large/unreactive pupil ... #Algorithm #Causes ... #Ophthalmology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
to our for an evaluation ... a non-reactive pupil ... other potential causes ... the optic nerve, oculomotor ... clinical #video #ophthalmology