22 results
Ophthalmoplegia secondary to Orbital Apex Syndrome

A 61-year-old man presented with retro-orbital pain, near-complete ophthalmoplegia, loss of
Syndrome A 61-year-old ... retro-orbital pain, near-complete ... Clinical #Video #Ophthalmology ... #PhysicalExam #NEJM
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
pupil - Light-near ... Pupil #neurology #diagnosis ... #ophthalmology
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
Physical Exam A 24-year-old ... consistent with a diagnosis ... ALS #Neurology #NEJM
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... females Differential Diagnosis ... - no light-near ... PhysicalExam #neurology #ophthalmology
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
commonly found at or near ... #Clinical #Diagnosis ... #Management #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Syphilis (light-near ... #Differential #Diagnosis ... Algorithm #Causes #Ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... • Vitritis • Tear ... retina, a retinal tear ... #Differential #Diagnosis ... #Ocular #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
mucins with reduced tear ... pathophysiology #ophthalmology ... #diagnosis #signs
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
: 17-52 cases/year ... #Differential #Diagnosis ... #Ophthalmology
Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal
had received a diagnosis ... radiograph obtained 1 year ... after the diagnosis ... One year after the ... clinical #radiology #NEJM