29 results
Uveitis - Definition, Causes and SUN Classification

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

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
re-vascularize the ischemic ... into the deeper retinal ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
disease (anterior ischemic ... Caused by decreased ... Ocular causes - ... chamber hemorrhage, vitreous ... Differential #Diagnosis #Ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Vitreous Floaters ... fibers within the vitreous ... shadows on the retina ... Vertebrobasilar transient ischemic ... Diagnosis #Ocular #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
edema caused by ... ischemia results ... axons death due to ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
of the terminal retinal ... fluffy white ischemic ... Elschnig's Spots • Ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
detachment, Vitreous ... or hemorrhage, Retinal ... Lens dislocation, Ischemic ... differential #diagnosis #causes ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Vein Occlusion, Ischemic ... Differential #Diagnosis #causes ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... Spheroid mass in vitreous ... spread • Sub-retinal ... pathophysiology #ophthalmology ... #diagnosis #signs