24 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
(Trochlear) Nerve ... Iniury • One-and-a-half ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... to the radial nerve ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Pulsatile Exophthalmos on Physical Exam - Protrusion and Pulsation of the eyeball

The differential diagnosis of pulsatile
the eyeball The differential ... diagnosis of pulsatile ... #Exophthalmos #PhysicalExam ... #clinical #video ... #ocular #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... Diagnosis Algorithm ... conditions Optic Nerve ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... #Diagnosis #ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Diagnosis Algorithm ... equal in light and ... • Oculomotor Nerve ... Fascicle (Other CN ... #Causes #Ophthalmology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
acetate to help with ocular ... , abducens nerve ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Headache - Differential ... Diagnosis Framework ... glaucoma - Ocular ... the trigeminal nerve ... #diagnosis #ophthalmology
Myelinated retinal nerve fibers (MRNF) on Fundoscopy Ocular Examination

They are retinal nerve fibers prior to the
on Fundoscopy Ocular ... #fibers #MRNF #Ocular ... #PhysicalExam # ... clinical #video ... #ophthalmology #
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
benign • Regular and ... Young females Differential ... Diagnosis: • CN ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology