Search results
Results from the WOW.Com Content Network
As grade 2 + Retinal edema, cotton wool spots and flame-hemorrhages "Copper Wiring" + Bonnet's Sign + Gunn's Sign Grade 4 As grade 3 + optic disc edema + macular star "Silver Wiring" There is an association between the grade of retinopathy and mortality.
Arteriolar constriction, seen as "silver wiring", and vascular tortuosities are seen in hypertensive retinopathy. The eye's fundus is the only part of the human body where the microcirculation can be observed directly. [4]
This is most commonly seen in eye disease caused by high blood pressure (hypertensive retinopathy). It is thought that, since the arteriole and venule share a common sheath, the arteriole's thicker walls push against those of the venule forcing the venule to collapse. This makes the venule form an hourglass shape around the arteriole.
Salus's sign is a clinical sign in which deflection of retinal venules can be seen on fundoscopy occurring in patients with hypertensive retinopathy. [1] Arteriosclerosis causes shortening or lengthening of arterioles, which causes venules to be moved at points where arterioles and venules cross over. This is seen at right-angle crossing points ...
Intraretinal microvascular abnormalities (IRMA) are abnormalities of the blood vessels that supply the retina of the eye, a sign of diabetic retinopathy. [1] IRMA can be difficult to distinguish from and is likely a precursor to retinal neovascularization. One way to distinguish IRMA from retinal neovascularization is to perform fluorescein ...
Referred to as a form of retinal myopathies, cotton wools spots are commonly found to be a secondary manifestation to diseases like diabetes, hypertension, and AIDS. [1] Cotton wool spots have become one of the hallmarks of pre-proliferative diabetic retinopathy, a condition caused by damaged blood vessels in the retina due to high blood sugar ...
Hypertensive retinopathy is a condition characterized by a spectrum of retinal vascular signs in people with elevated blood pressure. [57] It was first described by Liebreich in 1859. [ 58 ] The retinal circulation undergoes a series of pathophysiological changes in response to elevated blood pressure. [ 59 ]
Diabetic retinopathy might be the first thing considered in the absence of a complete neurological history. Hypertensive retinopathy: Because it also results in retinal hemorrhages, hypertensive retinopathy may be misdiagnosed in individuals with hypertension. This may cause a neurological bleed to go unnoticed, postponing the proper diagnosis.