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Toric Soft Contact Lenses

P1fA, then MDT for Refractive Errors

N/A
Waitlist Available
Research Sponsored by Alcon Research
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 8 of each study lens type worn during the corresponding crossover period
Awards & highlights

Study Summary

This trial is testing whether a new type of contact lens is as good as another type of contact lens in terms of how well people can see with them.

Eligible Conditions
  • Refractive Errors
  • Astigmatism
  • Near-sightedness

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 8 of each study lens type worn during the corresponding crossover period
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 8 of each study lens type worn during the corresponding crossover period for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Least Squares Means Distance Visual Acuity With Study Lenses at Week 1

Trial Design

2Treatment groups
Experimental Treatment
Group I: P1fA, then MDTExperimental Treatment2 Interventions
Verofilcon A toric soft contact lenses worn first, followed by stenfilcon A toric soft contact lenses, as randomized. Each study lens type will be worn for 8 (-0/+3) days for at least 10 hours per day. Lenses will be removed nightly and disposed of after a single use.
Group II: MDT, then P1fAExperimental Treatment2 Interventions
Stenfilcon A toric soft contact lenses worn first, followed by verofilcon A toric soft contact lenses, as randomized. Each study lens type will be worn for 8 (-0/+3) days for at least 10 hours per day. Lenses will be removed nightly and disposed of after a single use.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Verofilcon A toric soft contact lenses
2022
N/A
~160
Stenfilcon A toric soft contact lenses
2022
N/A
~160

Find a Location

Who is running the clinical trial?

Alcon ResearchLead Sponsor
704 Previous Clinical Trials
124,358 Total Patients Enrolled
101 Trials studying Refractive Errors
11,731 Patients Enrolled for Refractive Errors
Sr. Clinical Trial Lead, Vision CareStudy DirectorAlcon Research, LLC

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
~57 spots leftby May 2025