Usually: Different coloration patterns around one or both irises can mean different things. Always best to see your ophthalmologist or eye care specialist. However, a common pattern called "arcus" is a white to gray and sometimes bluish ring at the edge of the cornea (in front of the iris) which represents lipid deposits. If new or changing, a good idea would be to check a lipid/cholesterol panel of labs.
Answered 3/23/2019
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2 doctors weighed in across 2 answers
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