11 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Retinal Artery ... Retinal Vein Occlusion ... 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
: • Detachment ... - Retinal vein occlusions ... vision → visual loss ... (Retinal vein occlusions ... differential #diagnosis #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... CRVO) - Pathophysiology ... in the central retinal ... due to retinal ... Fundoscopy #Central #Retinal
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Retinal Detachment ... Hemorrhage • Central Retinal ... Artery Occlusion ... • Retinal Detachment ... diagnosis #radiology #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... infarcts from occlusions ... to significant retinal ... macula, and/or retina ... #Diabetes #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
: • Retinal detachment ... , Vitreous detachment ... or hemorrhage, Retinal ... artery or vein occlusion ... diagnosis #causes #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hemorrhages in the inner retina ... nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal ... #ophthalmology
Retinopathy of Prematurity: Pathogenesis and clinical findings
Increased metabolic demand of growing eye
-> Excessive VEGF production ->
vitreous -> Extra-retinal ... Partial or complete retinal ... detachment # ... peds #pediatrics #pathophysiology ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... Degeneration (Wet, Dry) Retina ... : • Diabetic Retinopathy ... night vision, loss ... #Causes #Ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... Nutrients cannot reach retina ... products from retina ... circulation into the retina ... blood under the retina