34 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular ... IV (Trochlear) Nerve ... palsy • Medial ... @caseyalbin #Extraocular ... #Localization #ophthalmology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Palsy - Oculomotor Nerve ... Horner's syndrome • Extraocular ... inferior rectus, medial ... Palsy #Oculomotor #Nerve ... #Cranial #neurology
Extraocular Muscle Actions & Clinical Testing
What about clinical testing of extraocular muscle function & associated nerve
Extraocular Muscle ... function & associated nerve ... produced by the medial ... produces depression Nerve ... diagnosis #testing #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Myasthenia Gravis Extraocular ... Nerve VI problem ... Nerve Ill - Eye ... Nerve IV - Eye ... Algorithm #Causes #Ophthalmology
Lateral Canthotomy and Cantholysis 
Primary indications 
 - Decreased visual acuity 
 - Intraocular pressure >
visual acuity - Intraocular ... Opthalmoplegia - Nerve ... #Indications #Ophthalmology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
paralysis of the Facial ... nerve (7th CN), ... happens when the facial ... nerve gets damaged ... neurology #anatomy #pathophysiology
Dysconjugate Gaze - Esotropia, Exotropia and Cranial Nerve Disorders

#Diagnosis #Ophthalmology #Dysconjugate #Gaze #Esotropia #Exotropia

** GrepMed Recommended
Exotropia and Cranial ... Nerve Disorders ... #Diagnosis #Ophthalmology
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
death of optic nerve ... chronically high intraocular ... Cupping #fundoscopy #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
eye including intraocular ... - Impinges on nerves ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Caused by decreased nerve ... increased ICP Optic nerve ... causes - Increased intraocular ... Differential #Diagnosis #Ophthalmology