12 results
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... SAH, tumor • Posterior ... #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... comparison to Horner's syndrome ... #Cranial #neurology ... #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
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 ... #PhysicalExam #neurology ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... large/unreactive pupil ... Algorithm #Causes #Ophthalmology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
suggest oculomotor nerve ... palsy. ... anisocoria #clinical #video ... #ophthalmology ... #physicalexam #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... palsy • Horner ... #ophthalmology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... a non-reactive pupil ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... how the right pupil ... #clinical #video ... #ophthalmology ... #physicalexam #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
the follow up video ... the hospital, diagnosed ... with MS, and started ... #ophthalmology ... #neurology