51 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Concussion Other Causes ... • Sjögren’s syndrome ... hyperviscosity syndrome ... differential #diagnosis #ophthalmology ... #causes
Pathological Optic Disc Cupping

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

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... OpticDisc #Cupping #fundoscopy ... #ophthalmology ... #Clinical
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology ... #Clinical
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Second most common cause ... disease (Most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... Miller-Fisher syndrome ... orbitopathy) • Corneal ... Differential #Diagnosis #Causes ... #Ophthalmology
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
About Horner's Syndrome ... Horner's syndrome ... have friends, is caused ... in 1855 by Ed Horner ... #Overview #Ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Pathogenesis and Clinical ... Ehlers-Danlos syndrome ... Turner, Marfan syndromes ... Bilateral, asymmetric corneal ... pathophysiology #ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... Diplopia TIER 1-CRITICAL ... , Orbital apex syndrome ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... a mass as the cause ... Functional • Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... #PhysicalExam #clinical ... #video #ophthalmology ... #neurology #syndrome