Eye screening study opens doors to future research
NCT ID NCT00655096
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 7 times
Summary
This study screens people with eye diseases to see if they can join other research studies at the National Eye Institute. No treatment is given. Participants undergo eye exams, blood tests, and other procedures to diagnose or evaluate their condition. The goal is simply to determine eligibility for future studies.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- 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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Aug 2008
- Lead sponsor
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A government research agency
The lead sponsor is the US National Institutes of Health.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Participants can be self-referred or be referrals from medical practitioners, clinics, hospitals, or medical institutions.
- Ages
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2 to 100 years
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
* INCLUSION CRITERIA: Participants will be able to enroll if they: * Have a diagnosed ocular disease/disorder; OR * Potentially have an unusual, interesting, or unknown ocular condition that requires the establishment of a diagnosis; OR * Potentially participate as a disease-free control participant in an NEI clinical research study; OR * Are an unaffected first-degree relative of a participant with either a diagnosed or undiagnosed ocular disorder; AND * Have the ability to understand and sign an informed consent OR if they are minor children have a legal parent/guardian with the ability to do the same. * Adults with impaired capacity to consent must have a Legally Authorized Representative (LAR) who is able to provide informed consent. EXCLUSION CRITERIA: Participants will be unable to enroll if they: * Are unwilling or unable to cooperate with the study procedures. * Female participants of childbearing potential who are pregnant are not eligible for enrollment.
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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
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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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National Institutes of Health Clinical Center
RECRUITINGBethesda, Maryland, 20892, United States
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