905 results
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
re-vascularize the ischemic ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... degeneration - Retina ... Vein Occlusion, Ischemic ... #Differential #Diagnosis ... #causes #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... edema caused by ischemia ... axons death due to ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Differential Diagnosis ... Ischemia - ... disease (anterior ischemic ... #Differential #Diagnosis ... #Ophthalmology
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
body, vitreous, retina ... secondary glaucoma and retinal ... ischemia Causes ... #Differential #Diagnosis ... #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
of the terminal retinal ... causes fluffy white ischemic ... Elschnig's Spots • Ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... shadows on the retina ... Vertebrobasilar transient ischemic ... #Differential #Diagnosis ... #Ocular #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... #Differential #Diagnosis ... Algorithm #Causes #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... Vision Loss: • Retinal ... or hemorrhage, Retinal ... Lens dislocation, Ischemic ... #causes #ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
disease (panuveitis, retinal ... ) Differential Diagnosis ... Ocular: Giant retinal ... tears, Ischemia ... inhibitors • Uveitis- Ophthalmology