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Arcus senilis is a harmless and common condition. It occurs to people ranging from middle to older age. A white or grey ring appears on the corneal edge. The ring is usually made of cholesterol and li … read more

It is nothing but light grey, blueish are white ring present around the cornea, especially around the edges. Mostly this is made up of fatty substances such as cholesterol. The cornea is a clear subst … read more