10,000 people to have eye and skin pigments measured in nutrition study
NCT ID NCT03022773
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aims to understand how diet affects the eyes and skin by measuring natural pigments called carotenoids. Researchers will use non-invasive methods to check levels in the eye and skin, and also test blood in some participants. Anyone age 7 or older having a routine eye exam at the Moran Eye Center can join.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 10,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2015
- Expected to finish
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Jun 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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7 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Any patient age 7 or older, undergoing routine dilated ophthalmology examinations at the Moran Eye Center will be eligible to participate. * Patients with adult vitelliform dystrophy. (This condition initially presents in adulthood as bilateral subtle and often asymptomatic macular lesions, which are often misdiagnosed as early age-related macular degeneration (AMD)). Exclusion Criteria: * Patients under age 7 will not be eligible to participate.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Utah John A. Moran Eye Center
Salt Lake City, Utah, 84132, United States
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