74 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
- Differential Diagnosis ... : • Corneal abrasion ... #Differential #Diagnosis ... #table #causes ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Occlusion (CRVO) Clinical ... Blood and thunder" fundoscoplc ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Chronic: - Cornea ... Painful: Keratitis, Corneal ... #Differential #Diagnosis ... #causes #ophthalmology
Papilledema vs Normal Optic Disc

Blurred vs sharp optic disc margins

#Papilledema #OpticDisc #Normal #Comparison #Fundoscopy #Ophthalmology #Clinical
Normal #Comparison #Fundoscopy ... #Ophthalmology ... #Clinical #Diagnosis
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
- Differential Diagnosis ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... #Algorithm #Causes ... #Ophthalmology
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Algorithm Painful - Cornea ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
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
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent ... Causes of Neuromuscular ... Cerebral cortex ... - Cerebral cortex ... Differential #Neurology #Causes
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Concussion Other Causes ... #differential #diagnosis ... #ophthalmology ... #causes
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