9 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Vein Occlusion (CRVO ... ) - Pathophysiology ... cause: Diabetic retinopathy ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Non-ischemic CRVO - Fundoscopy Ocular Examination

Non-ischemic Central Retinal Vein Occlusion (CRVO) 

Dr. Sebastian Vega @oftalmopo

#Nonischemic #CRVO
Non-ischemic CRVO ... - Fundoscopy Ocular ... Central Retinal ... clinical #video #ophthalmology ... #Fundoscopy
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... ischemia causes ... #Diabetic #Retinopathy ... #Diabetes #ophthalmology ... complications #pathophysiology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
due to upstream CRAO ... edema caused by ischemia ... axons death due to ischemia ... #pathophysiology ... #ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Definition: acute ischemic ... altitudinal defect • Fundoscopy ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... causes fluffy white ischemic ... #Hypertensive #Retinopathy ... #pathophysiology ... #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
choroidal bed -> Ischemia ... neovascularization seen on fundoscopy ... edema seen on fundoscopy ... MacularDegeneration #pathophysiology ... #ophthalmology
Primary Open-Angle Glaucoma: Pathogenesis and Clinical Findings
 • Risk factors -> Incr IOP, Incr age, African-American
Glaucoma -> Calcium ion ... influx and NO in retinal ... nerve head - Ischemic ... OpenAngle #Glaucoma #pathophysiology ... #ophthalmology
Secondary Glaucoma: Pathogenesis and Clinical Findings
Open-Angle Secondary Glaucoma:
 • Pre-trabecular defect -> Aqueous outflow is obstructed
glaucoma -> Calcium ion ... nerve head - Ischemic ... > Apoptosis of retinal ... Secondary #Glaucoma #pathophysiology ... #ophthalmology