Dry Eye, Healthy, Sjogren's Disease
Conditions
Keywords
volunteers
Brief summary
The purpose of this study is to show that the multi-colored Placido Disk set-up can get reliable data over long time periods.
Interventions
PROCEDUREMulti-colored Placido disk imaging
The multi-colored Placido disk instrument records the tear surface using video imaging.
Sponsors
University of Rochester
Study design
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 89 Years
Healthy volunteers
Yes
Inclusion criteria
* Subjects must have clinically diagnosed Dry Eye or Sjörgren's syndrome. * Good general health (defined by medication use that has not changed within the last month and the absence of medical conditions that are deemed confounding to the data as determined by the PI) * Ability to give informed consent * Willing to spend time for the study; approximately 30 minutes for a visit * Either gender * Any racial or ethnic origin
Exclusion criteria
* Use of any prescription ocular medication (such as but not limited to, glaucoma medications and Restasis) used within 14 days of the screening visit or started prior to the measurement visit(s). * Current eye disease, infection or inflammation that affects the surface of the eye such as, but not limited to blepharitis and ocular allergy. * Past eye surgery, such as, but not limited to, refractive surgery. Subjects who have had cataract surgery less than one year ago.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Tear film break-up time | up to 3 seconds | The multi-colored Placido disk will collect images of the tear film with the aim to have usable data for more extended periods of time. This instrument measures tear film break-up time in seconds using a video recording of the tear surface. |
Countries
United States
Outcome results
None listed