11 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Defect • Optic ... Midbrain (Parinaud's Syndrome ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
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 ... • Medication effects
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Anisocoria - Pupillary Defects ... - Differential Diagnosis ... pilocarpine • Oculomotor ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN Ill (Oculomotor ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
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
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... unilateral and affects ... would suggest oculomotor ... nerve palsy. ... clinical #video #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
vasoconstriction syndrome ... poorly reactive pupils ... with third nerve palsy ... vasoconstriction syndrome ... #differential #diagnosis
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
a non-reactive pupil ... the optic nerve, oculomotor ... receive proper treatment ... Neurological defects ... clinical #video #ophthalmology
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
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... GCA • Adie’s pupil ... • Visual field defect ... #ophthalmology ... #causes