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OpenTrials
Completed

NCT Number: NCT00761917

Diagnostic Evaluation of the Tear Film

The objectives of this study are to assess for a difference between normal and dry eye subjects in tear film quality using a diagnostic interferometry device and to determine whether there are associations between tear film quality and dry eye symptoms and signs.

Completed

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Key information

Conditions

Dry Eye Syndromes Eye Diseases Lacrimal Apparatus Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Fayetteville, Arkansas, United States

Loading trial locations.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Adults 18 year of age or older
  • Willing and able to comply with study exam procedure

Exclusion criteria

  • Eyelid abnormality or ocular surface condition affecting ability to visualize tear film
  • Women who are pregnant or nursing
  • Any of the following conditions within specified timeframe prior to study participation:
  • Instillation of eye drops
  • Contact lens wear
  • Use of oil-based facial cosmetics
  • Swimming in chlorinated pool
  • Eye examination procedures that may affect the tear film
  • Participation in another ophthalmic clinical trial

Treatment and study plan

Tear Film Analyzer

Device

tear film images

Other names: ocular surface interferometry

Primary outcomes

  1. Tear film analysis of lipid layer quality

    Time frame: upon enrollment

Secondary outcomes

  1. Dry Eye Symptoms

    Time frame: upon enrollment

  2. Tear Film Break-Up Time

    Time frame: upon enrollment

  3. Corneal and Conjunctival Staining

    Time frame: upon enrollment

  4. Meibomian Gland Assessment

    Time frame: upon enrollment

  5. Schirmer Test

    Time frame: upon enrollment

Sponsors and collaborators

Lead sponsor

TearScience, Inc.

Industry

Registry information

Official study title

Analysis of the Tear Film Lipid Layer

Important dates

Study start
2008
Primary completion
2008
Study completion
2008
First posted
Sep 30, 2008
Registry last updated
Mar 31, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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