Hypertensive Retinopathy Flashcards
What would you see on grade one hypertensive retinopathy?
Silver wiring
What is silver wiring?
Increased reflection from thickened arterioles
What would you see on grade 2 hypertensive retinopathy?
silver wiring plus AV nipping- narrowing of veins as arteries cross them
What would you see on grade 3 hypertensive retinopathy?
Grade 2 plus cotton wool spots and flame haemorrhages
What would you see on grade 4 hypertensive retinopathy?
Grade 3 plus papilloedema
What are the causes of papilloedema?
Raised ICP: Benign intracranial hypertension, SOL, cavernous sinus thrombosis
Accelerated phase hypertension
Central retinal vein occlusion
What is the acuity in papiloedema?
Normal
What are the visual fields in papilloedema?
Reduced- tunnel vision