arteriovenous nicking

What Causes Arteriovenous Nicking? This is most commonly seen in eye disease caused by high blood pressure (hypertensive retinopathy). How common is AV nicking? Prevalence of AV nicking and focal retinal arteriolar narrowing increased with age and was between 4.2% to 14.3% for AV nicking and 5.3% to 14.9% for focal retinal arteriolar narrowing. The