Hypertensive Retinopathy
By Dr. H.M. SHillingford-Ricketts M.B.B.S. (U.W.I); F.R.C.S. (C) Hypertensive Retinopathy refers to the effect of hypertension on the retina. Hypertension damages the walls of the Retinal Arterioles resulting in thickening of the walls and narrowing of the lumen. These thickened arterioles then compress the retinal veins where they cross over them resulting in arteriovenous or AV nipping. These signs are related to Chronic Systemic Hypertension. Retinal Arteriosclerosis is useful as an indicator of target organ damage which may help in deciding whether to initiate antihypertensive treatment in patients with mild or white coat Hypertension. In the moderately severe form of …