Ocular Characteristics in Contact Lens and Spectacle Wear
Public ClinicalTrials.gov record NCT03913377. 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.
This clinical study will investigate the difference in ocular characteristics between contact lens wear and spectacle wear among habitual contact lens wearers, using a 2-treatment by 2-period cross-over design. There will be a 1-week washout between the two study periods to eliminate any potential carryover effect.
Study identification
- NCT ID
- NCT03913377
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 78 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 42 Years
- 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
- Apr 9, 2019 (Actual)
- Primary completion
- Jun 14, 2019 (Actual)
- Completion
- Jun 14, 2019 (Actual)
- Last update posted
- Feb 4, 2021
2019
United States locations
- U.S. sites
- 3
- U.S. states
- 2
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VRC-East | Jacksonville | Florida | 32256 | — |
| Sabal Eye Care | Longwood | Florida | 32779 | — |
| Manhattan Vision Associates | New York | New York | 10022 | — |
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 NCT03913377, 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 Feb 4, 2021 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03913377 live on ClinicalTrials.gov.