Arcus senilis

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I developed Arcus Senilis in both my eyes. "This is a grayish-blue to white opaque band in the periphery of the cornea, which is the clear window-like structure on the front of the eye...Cholesterol crystals, or fats, deposit in the central layer of the cornea, coalescing into the ring-shaped structure. Arcus deposits initially appear at the six and 12 o’clock positions of the cornea and expand circumferentially to form the entire ring."  I have been following a ketogenic -> Hi Fat low carb diet. My fat intake has been high because its good for the brain etc. Anyone have any experience with Arcus senilis and following a higher fat diet? Would you recommend instead, a more balanced diet?