Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Lutein/zeaxanthin and eye health

Wallace, T.C. et al.

2016

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Summary

This paper, published in Nutrients in 2016, reviews the evidence linking dietary and supplemental lutein and zeaxanthin to eye health, with particular focus on age-related macular degeneration and cataract. It likely synthesises epidemiological and clinical data on how these xanthophyll carotenoids accumulate in retinal tissue and their putative protective roles via antioxidant and light-filtering mechanisms. The review would be expected to discuss dietary sources, recommended intakes, and gaps in the evidence base.

UK applicability

The findings are broadly applicable to UK public health and dietary guidance, particularly given the ageing UK population and the burden of AMD on NHS eye services. UK dietary surveys suggest lutein and zeaxanthin intakes may be suboptimal, making the review relevant to UK nutrition policy and food-based recommendations.

Key measures

Macular pigment optical density (MPOD); dietary lutein/zeaxanthin intake (mg/day); AMD incidence or progression; cataract risk; serum carotenoid concentrations

Outcomes reported

The paper likely examined the relationship between lutein and zeaxanthin intake or status and eye health outcomes, including age-related macular degeneration (AMD) and cataract risk. It probably reviewed evidence on macular pigment optical density and dietary or supplemental sources of these carotenoids.

Theme
Nutrition & health
Subject
Micronutrients & phytonutrients
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0465

Topic tags

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