Carrot power? study tests if eye vitamins boost sight in healthy people

NCT ID NCT06098677

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether taking a daily supplement of lutein, zeaxanthin, and meso-zeaxanthin (natural pigments found in plants) can improve contrast sensitivity—the ability to see subtle differences in light and dark—in healthy Chinese adults aged 35 and older. Over 12 months, 220 participants will either receive the supplement or a placebo. The goal is to see if these nutrients can sharpen vision, even in people without eye disease.

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Conditions

The condition(s) this trial relates to.

vision disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

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