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Contact Lens

Contact Lenses for Astigmatism

Waterloo, Canada
N/A
Recruiting
Led By Lyndon Jones, PhD,FCOptom
Research Sponsored by CooperVision International Limited (CVIL)
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Age between 17 and 42 years
Non-presbyopic with no requirement for a reading addition for routine daily tasks
Must not have
Known active ocular disease, allergies, or infection
Undergone refractive error surgery or intraocular surgery
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 1 (day after dispense), day 7 and day 13 at 12 hours contact lens wear
Awards & highlights
No Placebo-Only Group

Summary

"This trial aims to compare how well two different types of soft contact lenses work."

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Who is the study for?
This trial is for individuals with low astigmatism and may also have near-sightedness or farsightedness. Specific eligibility criteria are not provided, but typically participants must meet certain vision and eye health requirements.Check my eligibility
What is being tested?
The study aims to compare the performance of two types of soft contact lenses: a control lens (stenfilcon A Sphere) for standard vision correction, and a test lens (stenfilcon A Toric) designed specifically for astigmatism.See study design
What are the potential side effects?
While specific side effects are not listed, common ones related to contact lens wear include eye discomfort, dry eyes, redness, reduced visual clarity, and potential infection risk.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I am between 17 and 42 years old.
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I don't need reading glasses for daily tasks.
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Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I have an active eye disease, allergy, or infection.
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I have had surgery to correct my vision or eye surgery.
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Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 1 (day after dispense), day 7 and day 13 at 12 hours contact lens wear
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 1 (day after dispense), day 7 and day 13 at 12 hours contact lens wear for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Contact Lens Comfort

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

2Treatment groups
Experimental Treatment
Group I: Test Contact Lens (stenfilcon A Toric)Experimental Treatment1 Intervention
All participants will wear Test Contact Lens for one week (Period 2).
Group II: Control Contact Lens (stenfilcon A Sphere)Experimental Treatment1 Intervention
All participants will wear Control Contact Lens for one week (Period 1).

Find a Location

Closest Location:School of Optometry & Vision Science· Waterloo, Canada· 989 miles

Who is running the clinical trial?

CooperVision International Limited (CVIL)Lead Sponsor
169 Previous Clinical Trials
14,430 Total Patients Enrolled
Centre for Ocular Research & Education, CanadaOTHER
12 Previous Clinical Trials
2,346 Total Patients Enrolled
Lyndon Jones, PhD,FCOptomPrincipal InvestigatorCentre for Ocular Research and Education
2 Previous Clinical Trials
98 Total Patients Enrolled
~20 spots leftby Aug 2025