9B71.1
category
Hypertensive retinopathy
Definition
Hypertensive retinopathy is the most common ocular presentation of hypertension. The arteriosclerotic changes of hypertensive retinopathy are caused by chronically elevated blood pressure. Hypertensive retinopathy includes 2 disease processes; the acute and chronic effects. The acute effect of systemic arterial hypertension are a result of vasospasm to autoregulate perfusion. The chronic effects of hypertension are caused by arteriosclerosis and predispose patients to visual loss from complications of vascular occlusions or macroaneurysms.
Also indexed as
Hypertensive Retinopathy, Stage 1, mild arteriolar narrowing, broadening of arteriolar light reflexHypertensive Retinopathy, Stage 2, focal arteriolar narrowing, marked generalised arteriolar narrowing, arteriovenous nicking, opacity, “copper wiring” of arteriolar wall, or a combination of these signsHypertensive Retinopathy, Stage 3, haemorrhage, blot, dot, or flame-shaped, microaneurysm, cotton-wool spot, hard exudate, or combination of these signsHypertensive Retinopathy, Stage 4, signs of stage 3 retinopathy plus swelling of the optic diskHypertensive retinopathyhypertensive retinopathy, Stage 1hypertensive retinopathy, Stage 2hypertensive retinopathy, Stage 3hypertensive retinopathy, Stage 4