Toric Contact Lenses for Astigmatism

KV
Overseen ByKelly Voltz
Age: 18+
Sex: Any
Trial Phase: Academic
Sponsor: CooperVision International Limited (CVIL)
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

The aim of this study is to evaluate the agreement between subjective and objective toric lens prescriptions.

Are You a Good Fit for This Trial?

This trial is for adults 18 or older with astigmatism and certain vision prescriptions (+4.00 to -7.00DS, 0.75 to 2.25DC in one eye), who can see well with correction and currently wear or have recently worn soft contact lenses.

Inclusion Criteria

3. They have spherical refractive error at the corneal plane between +4.00 to -7.00DS
4. They have refractive astigmatism at the corneal plane of 0.75 to 2.25DC in one eye.
5. They are able to achieve distance HCHL visual acuity of +0.10 logMAR or better in each eye
See 3 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants are randomized to wear either lens A (stenfilcon A) or lens B (comfilcon A) to evaluate the agreement between subjective and objective toric lens prescriptions

15 minutes of daily wear

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Trial Overview

The study compares two types of toric soft contact lenses (comfilcon A vs stenfilcon A) to see how well different ways of prescribing them match up, using both patient feedback and objective measurements.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Group I: Lens 2 ( comfilcon A)Experimental Treatment1 Intervention
Group II: Lens 1 ( stenfilcon A)Experimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

CooperVision International Limited (CVIL)

Lead Sponsor

Trials
171
Recruited
14,600+
Dr. Patrizia Cavazzoni profile image

Dr. Patrizia Cavazzoni

CooperVision International Limited (CVIL)

Chief Medical Officer

MD from Harvard Medical School

Steven Robins profile image

Steven Robins

CooperVision International Limited (CVIL)

President, Americas

Bachelor of Arts from Bates College, participated in Pfizer Global Leadership Program with Harvard University

Indiana University

Collaborator

Trials
1,063
Recruited
1,182,000+