A randomised controlled trial investigating the effect of n-3 long-chain polyunsaturated fatty acid supplementation on cognitive and retinal function in cognitively healthy older people: the Older People And n-3 Long-chain polyunsaturated fatty acids (OPAL) study protocol [ISRCTN72331636].

Nutr J · 2006 · PMC1564406 · PMID 16945130

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highly significantno p-value reported

A highly significant change occurring in the ageing retina is a decrease in phototransduction efficiency in rods resulting in a decreased sensitivity of rods to light [ 14 ].

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