Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism
Completed · Not applicable
Conditions studied: Astigmatism
In brief
Bilateral dispensing clinical trial of stenfilcon A against etafilcon A for astigmatism.
Key facts
- Study ID
- NCT02410824
- Run by
- CooperVision, Inc.
- People needed
- 52
- Starts
- 2015-04-01
- Expected to finish
- 2015-06-01
- Last updated by the study team
- 2017-08-21
Who can join
Age: 17 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Is at least 17 years of age for Canada and 18 years of age for the USA and has full legal capacity to volunteer;
- Has read and signed an information consent letter;
- Is willing and able to follow instructions and maintain the appointment schedule;
- Is an adapted soft contact lens wearer;
- Requires a spherical contact lens prescription between -1.00 to -6.00 inclusive in each eye
- Has spectacle astigmatism: -0.50 to -1.50D (Diopter) cylinder (Axis: 90±20, 180±20 in both eyes);
- Willing to wear contact lens in both eyes for at least 8 hours per day, 7 days per week;
- Has manifest refraction visual acuities (VA) equal to or better than logMAR equivalent of 20/25 in each eye;
- To be eligible for lens dispensing, the subject must have VA of logMAR equivalent of 20/30 or better in each eye with the study lenses and the investigator must judge the fit as acceptable.
You may not qualify if…
- Is participating in any concurrent clinical or research study;
- Has any known active* ocular disease and/or infection;
- Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
- Is using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
- Has known sensitivity to the diagnostic pharmaceuticals to be used in the study;
- Is pregnant, lactating (by verbal confirmation at the screening visit);
- Is aphakic;
- Has undergone refractive error surgery
Where it is running
- Clinical Research Center, University of California, Berkeley — Berkeley, California, United States
- Center for Contact Lens Research, University of Waterloo — Waterloo, Ontario, Canada
Full record on ClinicalTrials.gov
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