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Silicone Hydrogel Contact Lens

Lens A, Then Lens B for Refractive Errors

N/A
Waitlist Available
Led By Mike Cymbor
Research Sponsored by Coopervision, Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Can be fit and achieve binocular distance vision of at least 20/30 Snellen (Available lens parameters are sphere +6.00 to -6.00D, 0.25D steps).
Self-reports having a full eye examination in the previous two years;
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 27
Awards & highlights

Study Summary

To evaluate the clinical performance of two monthly silicone hydrogel contact lenses in habitual wearers of frequent replacement (FRP) lenses when worn for 1-month.

Eligible Conditions
  • Refractive Errors

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 27
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 27 for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Subjective Ratings on Lens Handling on Removal

Trial Design

2Treatment groups
Experimental Treatment
Group I: Lens B, Then Lens AExperimental Treatment2 Interventions
Participants will wear lens B for one month and then cross over to wear lens A for one month.
Group II: Lens A, Then Lens BExperimental Treatment2 Interventions
Participants will wear lens A for one month and then cross over to wear lens B for one month.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Lens A (comfilcon A lens)
2021
N/A
~180
Lens B (lehfilcon A lens)
2021
N/A
~180

Find a Location

Who is running the clinical trial?

Coopervision, Inc.Lead Sponsor
154 Previous Clinical Trials
13,691 Total Patients Enrolled
10 Trials studying Refractive Errors
942 Patients Enrolled for Refractive Errors
COREUNKNOWN
10 Previous Clinical Trials
2,228 Total Patients Enrolled
Mike CymborPrincipal InvestigatorNittany Eye Associates
1 Previous Clinical Trials
73 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
~22 spots leftby Mar 2025