Dry Eye Syndromes
Conditions
Brief summary
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.
Interventions
DEVICETear Film Analyzer
tear film images
Sponsors
TearScience, Inc.
Study design
Observational model
CASE_CONTROL
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
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: 1. Instillation of eye drops 2. Contact lens wear 3. Use of oil-based facial cosmetics 4. Swimming in chlorinated pool 5. Eye examination procedures that may affect the tear film 6. Participation in another ophthalmic clinical trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tear film analysis of lipid layer quality | upon enrollment |
Secondary
| Measure | Time frame |
|---|---|
| Dry Eye Symptoms | upon enrollment |
| Tear Film Break-Up Time | upon enrollment |
| Corneal and Conjunctival Staining | upon enrollment |
| Meibomian Gland Assessment | upon enrollment |
| Schirmer Test | upon enrollment |
Countries
United States
Outcome results
None listed