17 results
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • Neurologic ... symptoms suggest ... Tumor • Orbital ... Algorithm #Causes #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
: Pathogenesis and ... - Impinges on nerves ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... is a rare complication ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
junction, cranial nerve ... eyelid: • Third nerve ... laceration or orbital ... prolapse of the orbital ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
: Pathogenesis and ... / Symptoms / Complications ... red reflex) • Orbital ... pathophysiology #ophthalmology ... #diagnosis #signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... #neurology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
such as cogan sign ... always ask your ... PhysicalExam #clinical #video ... #ophthalmology ... #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
/ Symptoms / Complications ... damage to sacral nerves ... CaudaEquina #Syndrome #MSK ... pathophysiology #diagnosis ... #symptoms #signs
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
pain • Extra-CNS complications ... syndrome, Myasthenia gravis ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
inner retinal nerve ... arterioles causes optic nerve ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications