On call.  At my last visit to my eye doctor, he told me that I had a cholesterol ring.  What can you tell me about this condition?
Simon
Harvey B
HB
D000375:Aging; D001112:Arcus Senilis / Q000209:etiology*; D002784:Cholesterol / Q000097:blood*; D006801:Humans; D008297:Male
D002784:Cholesterol