Figure 1From: Correlating corneal arcus with atherosclerosis in familial hypercholesterolemiaCorneal arcus. Four representative slides of corneal arcus. Arcus deposits tend to start at 6 and 12 o'clock and fill in until becoming completely circumferential. There is a thin clear section separating the arcus from the limbus known as the lucid interval of Vogt.Back to article page