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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05183022
Other study ID # IRB-300008004
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 3, 2022
Est. completion date July 20, 2022

Study information

Verified date November 2022
Source University of Alabama at Birmingham
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to map comfort over the full wear day in established, asymptomatic, soft CL wearers who are refit in Total30 Sphere CLs.


Description:

Contact lens (CL) wearers frequently face eye discomfort symptoms, especially towards the end of the wear day. This burdensome discomfort can unfortunately cause patients to remove their CLs before their desired wear time. While comfortable wear times vary from patient to patient, Terry et al. has suggested that patients should be able to comfortably wear their CLs for at least 12 hours per day for at least 6 days per week. Nevertheless, the literature currently lacks sufficient data to comment fully on the full day wear experience, which for many patients may be 16 or more hours per day, especially if they have demanding careers. One CL that has the potential to allow for all day comfort is the Total30 Sphere CLs, which is a new water gradient, monthly CL aimed at delivering all day comfort and visual performance. Thus, the purpose of this study is to map comfort over the full wear day in established, asymptomatic, soft CL wearers who are refit in Total30 Sphere CLs. These data are not only important for judging the performance of Total30 Sphere CLs, but they will provide some of the first insights into the full day CL wearing experience over one month.


Recruitment information / eligibility

Status Completed
Enrollment 48
Est. completion date July 20, 2022
Est. primary completion date July 20, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - Current contact lens wearers who have 20/20 visual acuity or better - Minimally symptomatic as based upon Contact Lens Dry Eye Questionnaire scores (=10) - Astigmatism better than or equal to 0.50 D in each eye - Must have regularly worn 2 week or monthly contact lenses within the past 6 months - Must provide a glasses prescription that is is less than 3 years old - Willing to start wearing their contact lenses between 6:00 AM and 8:00 AM and wear their contact lenses until 11:00 PM each day Exclusion Criteria: - Past or Current hard CL use - Any known systemic health conditions that are thought to alter tear film physiology - History of viral eye disease - History of ocular surgery - History of severe ocular trauma - Active ocular infection or inflammation - Currently using isotretinoin-derivatives - Currently using ocular medications - Currently using rewetting drops or artificial tear - Pregnant or breast feeding

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Total30 Sphere Contact Lenses
Participants will be refit into Total30 Sphere contact lenses and followed for 1 month.

Locations

Country Name City State
United States University of Alabama at Birmingham Birmingham Alabama
United States University of Alabama at Birmingham Birmingham Alabama

Sponsors (2)

Lead Sponsor Collaborator
University of Alabama at Birmingham Alcon Research

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Visual Analog Scale (VAS) Ocular Comfort A visual analog scale (VAS) was used to compare end of day ocular comfort at 16 hours of contact lens wear over the 1 month study (0 to 100 scale with 100 being best). 1 month
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