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Contact Lens

Silicone Hydrogel Toric Lenses for Astigmatism

N/A
Waitlist Available
Led By Andrew Sacco
Research Sponsored by Coopervision, Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up one month wear
Awards & highlights

Study Summary

This trial studies the effectiveness of two 1-month contact lenses for people who regularly use them.

Who is the study for?
This trial is for people aged 18-39 with astigmatism, who need glasses between +8.00 to -10.00D, and wear toric soft contact lenses regularly for at least 8 hours a day, six days a week. Participants should have had an eye exam in the last two years and be able to follow the study schedule.Check my eligibility
What is being tested?
The study compares two types of monthly toric silicone hydrogel contact lenses (Lens A and Lens B) in regular users over one month each to see which performs better in terms of comfort and vision quality.See study design
What are the potential side effects?
While not specified here, typical side effects from wearing contact lenses can include dry eyes, discomfort or irritation, redness, blurry vision, and increased risk of eye infections.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~one month of wear
This trial's timeline: 3 weeks for screening, Varies for treatment, and one month of wear for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Lens Handling on Removal
Secondary outcome measures
Distance Visual Acuity

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 crossover to Lens A for one month.
Group II: Lens A, Then Lens BExperimental Treatment2 Interventions
Participants will wear Lens A for one month and then crossover to Lens B for one month.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Lens B (lehfilcon A toric lens)
2023
N/A
~60
Lens A (comfilcon A toric lens)
2023
N/A
~60

Find a Location

Who is running the clinical trial?

COREUNKNOWN
10 Previous Clinical Trials
2,235 Total Patients Enrolled
Coopervision, Inc.Lead Sponsor
155 Previous Clinical Trials
13,769 Total Patients Enrolled
32 Trials studying Astigmatism
1,364 Patients Enrolled for Astigmatism
Centre for Ocular Research & Education, CanadaOTHER
10 Previous Clinical Trials
2,235 Total Patients Enrolled

Media Library

Lens A (comfilcon A toric lens) (Contact Lens) Clinical Trial Eligibility Overview. Trial Name: NCT05933772 — N/A
Astigmatism Research Study Groups: Lens A, Then Lens B, Lens B, Then Lens A
Astigmatism Clinical Trial 2023: Lens A (comfilcon A toric lens) Highlights & Side Effects. Trial Name: NCT05933772 — N/A
Lens A (comfilcon A toric lens) (Contact Lens) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05933772 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Does this medical investigation have an age restriction of over 45 years?

"This trial is open to patients between 18 and 39 years of age. In addition, there are two trials for minors under the legal age of consent and another 25 studies available for those over 65."

Answered by AI

Who is eligible to partake in this clinical trial?

"All participants in this clinical trial must be between 18 to 39 years old, and possess a form of astigmatism. The study is currently recruiting 60 individuals for participation."

Answered by AI

Are any slots for participants still available in this trial?

"This clinical trial is not currently recruiting, as indicated on the listing posted on July 31st 2023 and last edited June 28th of that same year. However, 38 other trials are actively looking for volunteers right now."

Answered by AI
~34 spots leftby Apr 2025