North American Comfilcon A Clinical Study

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age8-75
SponsorCooperVision International Limited (CVIL)

About this trial

The main objective of this study is to demonstrate acceptable safety and effectiveness (performance) of comfilcon A Sphere, Toric, Multifocal, Toric Multifocal and Energys lenses, when used in the general population.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age 8 to 75 years (inclusive).

Current wearer of the Comfilcon A sphere, toric, multifocal, toric multifocal or Energys contact lens for at least 12 months.

At least occasional overnight wear in the last 12 months.

Disqualifiers

None

Trial population

Female or male subjects aged 8 to 75 years who are established contact lens wearers. Screen and enrol approximately 182 participants wearing comfilcon A lenses with the aim of achieving at least 160 in the per protocol analysis cohort.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

  • comfilcon A Sphere lens

    Device

    2 hours of wear

  • comfilcon A Toric lens

    Device

    2 hours of wear

  • comfilcon A Multifocal lens

    Device

    2 hours of wear

  • comfilcon A Multifocal Toric lens

    Device

    2 hours of wear

  • comfilcon A Energys lens

    Device

    2 hours of wear

Treatment groups

182 Participants
are divided into 5 treatment groups
Group A: comfilcon A Sphere Lens Wearers1 intervention
Group B: comfilcon A Toric Lens Wearers1 intervention
Group C: comfilcon A Multifocal Lens Wearers1 intervention
Group D: comfilcon A Multifocal Toric Lens Wearers1 intervention
Group E: comfilcon A Energys Lens Wearers1 intervention

Trial outcomes

Primary outcomes

1

Visual Performance (Visual Acuity)

Visual Performance will be measured using logMAR * High contrast, high illumination distance VA * High contrast, high illumination near VA

Time frame
At the end of 2 hours of wear
2

Incidence of contact lens-related adverse events

Incidence of contact lens-related adverse events will be recorded from subjects

Time frame
At the end of 2 hours of wear

Secondary outcomes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

CooperVision International Limited (CVIL)

Lead sponsor

Centre for Ocular Research & Education, Canada

Collaborator