CSV Trial

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Evidence quality

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Highlighted claims

• The CSV trial tests whether oral carotenoid supplementation improves visual function in Chinese adults without retinal disease. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
• The trial is a single-centre, double-blind, placebo-controlled randomised controlled trial at Zhongshan Ophthalmic Center in Guangzhou, China. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
• The trial plans to randomise 220 eligible Chinese adults equally into intervention and placebo groups. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
• The intervention lasts 12 months with visits at baseline, 3 months, 6 months, and 12 months. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
• The trial is limited by being single-centre, restricted to Chinese participants, and only one year long. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
• The trial's strengths include its randomized double-blind placebo-controlled design and its focus on a Chinese population with limited prior evidence. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial