Eating plenty of salmon, sardines and mackerel protects against sight loss, study finds

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Eating plenty of salmon, sardines and mackerel may protect against sight loss, new research reveals.

A chemical in oily fish boosts the survival of cells that are critical to vision, protecting against age-related sight decline, a US study found.

Omega-3 oils ‘precondition’ cells in the eye to withstand ‘stress’, such as a loss of blood supply, according to researchers. 

In laboratory tests, human eye cells exposed to constant light withstand damage if they are supplemented with such oils, the research adds.  

Vision loss affects almost two million people in the UK. The leading cause is age-related macula degeneration (AMD) which has 600,000 sufferers.

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