14 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Detachment, Central Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina 11. ... nerve swelling Retina ... vein occlusion - Retinal ... differential #diagnosis #ophthalmology ... #causes
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... Vision Loss: • Retinal ... or hemorrhage, Retinal ... differential #diagnosis #causes ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... in the central retinal ... vision loss due to retinal ... #Fundoscopy #Central ... #Retinal #Vein
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... Differential Diagnosis Algorithm ... • Congenital Corneal ... Hemangioma • Retinal ... #Causes #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Optic neuritis • Retinal ... detachment • Central retinal ... occlusion • Central retinal ... • Is the eye painful ... differential #diagnosis #ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Accommodation, RAPD ... Cornea D. ... Fundoscopy A. ... Retina B.
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... axoplasm into retina ... hypertension, diabetes ... CottonWool #Spots #fundoscopy ... #ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Differential Diagnosis Algorithm ... Surface Injury: • Corneal ... hemorrhage • Retina ... #Causes #Ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Central Retinal ... ciliary and central retinal ... which supply the eye ... #Fundoscopy #Central ... #Retinal #Artery