Tear Film Thickness Measured Using a Novel Technique
Public ClinicalTrials.gov record NCT01014780. 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.
The aim of this investigation is to determine the thickness of the human preocular tear film using a new method based on laser speckle. This will be a preliminary study to generate "normative" tear film thickness data in normal (i.e., non dry eye) and dry eye subjects in a clinic-based population. In addition, we will examine the short term (i.e., one week) repeatability of the method in a single setting. The patients classified as having dry eye will also have their tear film thickness measured after instillation of an artificial tear. This will potentially reveal valuable data in retention of effect measured non-invasively as in prior studies that employed a fluorescein tracer.
Study identification
- NCT ID
- NCT01014780
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 40 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Oct 31, 2009
- Primary completion
- Mar 31, 2010
- Completion
- Sep 30, 2010
- Last update posted
- Oct 10, 2010
2009 – 2010
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Southern California College of Optometry | Fullerton | California | 92831' | — |
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 NCT01014780, 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 10, 2010 · Synced Sep 16, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01014780 live on ClinicalTrials.gov.