Under the age of the individual, is more often seen the emergence, for the top of the iris, a veil translucent, semi-transparent, bluish-gray that looks like a single unit with the sclera. It looks as if the whites were trying to place themselves above the iris and in doing so, erase the sharp edges of the iris. When it is thicker and wider, arcus can cover a significant portion of the brain areas. This sign indicates cerebral arteriosclerosis and anemia, pointing with many years in advance of the dangers of paralysis, thrombosis, strokes and the like.
In iridology ring differs from sodium, which we discussed above, in that while it respects transparency in the area of the skin in the arcus opacity is becoming progressively. Moreover, the cholesterol ring covers the whole circle of the iris, while the arcus is always located in the upper, or sometimes even in the lower zone.