Retinal Arteriosclerosis Secondary to Vein Obstruction

摘要: Gunn 1 used the term copper wire to describe retinal arteries with a lighter than usual over-all color and sharp exceptionally bright central light streak. He noted such in some patients albuminuria others hypertension, he presumed that this ophthalmoscopic appearance was due hyaline degeneration of arterial wall. Ballantyne 2 stated Sir William Gowers shortly thereafter, an apparent misquote Gunn, called same change silver wire. Although were therefore originally change, clarified their usage today as follows: 1. Copper wire—a beginning sclerosis artery. The wall becomes less transparent vessel pale. artery is increased diameter, tortuous, has more brilliant reflex. 2. Silver advanced sheathing