Vision In Preschoolers Study (VIP Study)
Public ClinicalTrials.gov record NCT00038753. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To identify vision-screening tests that can accurately predict those three- and four-year old preschoolers who would benefit from a comprehensive vision examination because of signs of amblyopia, strabismus, and/or significant refractive error.
Study identification
- NCT ID
- NCT00038753
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- Not listed
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 36 Months to 59 Months
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Not listed
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- Oct 15, 2009
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, Berkeley School of Optometry | Berkeley | California | 94720-2020 | — |
| New England College of Optometry | Boston | Massachusetts | 02215 | — |
| The Ohio State University College of Optometry | Columbus | Ohio | 43218-2342 | — |
| Oklahoma Northeastern State University College of Optometry | Tahlequah | Oklahoma | 74464 | — |
| Pennsylvania College of Optometry | Philadelphia | Pennsylvania | 19141 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00038753, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 15, 2009 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00038753 live on ClinicalTrials.gov.