topicLutein Visual Performance Meta-Analysis
claimHowever, these approaches require repeated invasive injections and are associated with considerable economic burden and procedural risks [,].
evidence level1
citationWang Wei-Xiang (2026)
sourceFrom Supplements to Sight: Quantifying the Impact of Lutein and Carotenoid on Age‐Related Macular Degeneration—A Systematic Review and Meta‐Analysis of Randomized Controlled Trials
topicLutein Visual Performance Meta-Analysis
claimExperimental and clinical studies have suggested that increased macular pigment levels may support visual performance and potentially attenuate AMD progression [–].
evidence level1
citationWang Wei-Xiang (2026)
sourceFrom Supplements to Sight: Quantifying the Impact of Lutein and Carotenoid on Age‐Related Macular Degeneration—A Systematic Review and Meta‐Analysis of Randomized Controlled Trials
topicLutein Visual Performance Meta-Analysis
claimSome findings from the Age‐Related Eye Disease Study 2 (AREDS2) indicated that lutein and zeaxanthin supplementation significantly reduced the risk of progression to late‐stage AMD [].
evidence level1
citationWang Wei-Xiang (2026)
sourceFrom Supplements to Sight: Quantifying the Impact of Lutein and Carotenoid on Age‐Related Macular Degeneration—A Systematic Review and Meta‐Analysis of Randomized Controlled Trials
topicLutein Visual Performance Meta-Analysis
claim1 2 3 4 5 6 7 Age‐related macular degeneration (AMD) remains one of the leading causes of irreversible central vision loss among individuals over 65 years of age worldwide.
evidence level1
citationWang Wei-Xiang (2026)
sourceFrom Supplements to Sight: Quantifying the Impact of Lutein and Carotenoid on Age‐Related Macular Degeneration—A Systematic Review and Meta‐Analysis of Randomized Controlled Trials
topicLutein Visual Performance Meta-Analysis
claimThis narrative review critically summarizes the available evidence on how various natural bioactive compounds, such as carotenoids, polyphenols, flavonoids, omega-3 fatty acids and botanical extracts, can affect important molecular pathways associated with ocular degeneration.
evidence level4
citationDe Silva S (2026)
sourceBeneficial Effects of Natural Bioactive Compounds on Eye Health: A Narrative Review.
topicLutein Visual Performance Meta-Analysis
claimMoreover, it offers a framework for a comparison of evidence between preclinical and clinical studies, as well as identifying current translational gaps, including limited bioavailability and a lack of long-term clinical trials, and suggesting future directions such as genotype-guided nutrition and microbiome-informed interventions.
evidence level4
citationDe Silva S (2026)
sourceBeneficial Effects of Natural Bioactive Compounds on Eye Health: A Narrative Review.
topicLutein Visual Performance Meta-Analysis
claimOcular diseases like age-related macular degeneration (AMD), diabetic retinopathy (DR), glaucoma and cataracts are major causes of visual impairment all over the world and are closely linked to oxidative stress, inflammation and mitochondrial dysfunction.
evidence level4
citationDe Silva S (2026)
sourceBeneficial Effects of Natural Bioactive Compounds on Eye Health: A Narrative Review.