18 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Nerve / Track: Glaucoma ... Detachment, Central ... Occlusion, Central ... Differential #Diagnosis #causes ... #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
retinopathy • Central ... angle-closure glaucoma ... poisoning • Central ... differential #diagnosis #ophthalmology ... #causes
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Pathological Optic Disc Cupping

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

Thinning of optic disc
Pathological Optic ... Usual cause is glaucoma ... Glaucoma causes ... OpticDisc #Cupping #fundoscopy ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Caused by decreased ... Ocular causes - ... (angle closure glaucoma ... floaters obscuring central ... Differential #Diagnosis #Ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... => Central Retinal ... edema caused by ... after CRAO -> Pale Optic ... pathophysiology #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... a Red Eye: • Optic ... detachment • Central ... occlusion • Central ... differential #diagnosis #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Central Retinal ... Causes: - Carotid ... also important cause ... #Clinical #Ophthalmology ... #Fundoscopy #Central
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
angle-closure glaucoma ... Vision Loss: • Retinal ... or hemorrhage, Retinal ... differential #diagnosis #causes ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Degeneration (Wet, Dry) Retina ... Cup:Disc: • Glaucoma ... (Open-Angle) Optic ... Diagnosis #Algorithm #Causes ... #Ophthalmology