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Tear Osmolarity Over Time With Artificial Tears

Status
UNKNOWN
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01227226
Enrollment
48
Registered
2010-10-25
Start date
2010-10-31
Completion date
2011-03-31
Last updated
2011-02-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dry Eye

Keywords

Dry eye

Brief summary

The effect of artificial tears on tear osmolarity

Detailed description

Tear osmolarity measures the amount of solutes in the human tear film. The higher the reading, the more likely the patient has dry eyes. Some say it has potential to be the gold standard of dry eye testing. The investigators study the tear osmolarity at different time points after instillation of artificial tears.

Interventions

DRUGArtificial tears

Instill one drop of artificial tears

Sponsors

Allergan
CollaboratorINDUSTRY
Hom, Milton M., OD, FAAO
Lead SponsorINDIV

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

Between the ages of 18 and over inclusive. Males or females Any race or ethnic background Patient is in generally good & stable overall health. Patient likely to comply with study guidelines & study visits. Informed consent signed. Subjective evaluation of symptom of dryness (SESoD): Score 2 (Mild) \-

Exclusion criteria

Corneal refractive surgery within 6 months of this study. Intra-ocular surgery within 6 months or ocular laser surgery within 6 months. Pregnant or lactating women. Ocular pathology (includes glaucoma and cataract), which could impact results and/or place patient at risk. Corneal staining Grade 3 or higher No Restasis for past 3 months Discontinue topical medications for at least 1 week

Design outcomes

Primary

MeasureTime frameDescription
Tear osmolarity2 daysTear osmolarity measured with TearLab instrument

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026