Clinical Validation Study of Comfilcon A Multifocal Toric Contact Lenses
Clinical Validation Study of Biofinity Multifocal Toric Contact Lenses
1 other identifier
interventional
20
1 country
1
Brief Summary
This is a study to evaluate the clinical performance and subjective acceptance of an investigational contact lens (test), compared to a marketed lens (control) in an in-office setting.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jan 2018
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 12, 2018
CompletedFirst Submitted
Initial submission to the registry
January 25, 2018
CompletedFirst Posted
Study publicly available on registry
January 31, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 3, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
April 3, 2018
CompletedResults Posted
Study results publicly available
May 4, 2020
CompletedMay 4, 2020
April 1, 2020
3 months
January 25, 2018
January 14, 2020
April 30, 2020
Conditions
Outcome Measures
Primary Outcomes (1)
Visual Acuity
Visual acuity is assessed for test and control lens on a logMAR chart
up to 3 hours
Secondary Outcomes (3)
Subjective Assessment of Visual Performance: Distance Day-time Navigation Tasks for Vision Quality and Clarity
up to 3 hours
Subjective Assessment of Visual Performance: Intermediate / Computer Task for Vision Quality and Clarity
up to 3 hours
Subjective Assessment of Visual Performance: Near Vision for Vision Quality and Clarity
up to 3 hours
Study Arms (2)
Comfilcon A lens (test)
EXPERIMENTALSubjects are randomized to wear comfilcon A lens for up to 3 hours, either as first or second lens during this cross over study.
Omafilcon B Lens (control)
ACTIVE COMPARATORSubjects are randomized to wear omafilcon B lens for up to 3 hours, either as first or second lens during this cross over study.
Interventions
contact lens
contact lens
Eligibility Criteria
You may qualify if:
- Has had a self-reported oculo-visual examination in the last two years.
- Is between ages 40-75 years, inclusive and has full legal capacity to volunteer.
- Has read and understood the information consent letter. Is willing and able to follow instructions and maintain the appointment schedule.
- Is able to participate in Parts A and B related to this work.
- Has a contact lens spherical prescription between +10.00 to 10.00D (inclusive).
- Has an Add component to their spectacle refraction (between +0.75 and +2.50DS).
- Has astigmatism between of -0.75 and -5.75DC (based on the calculated ocular refraction) in each eye.
- Is correctable to a visual acuity of 20/40 or better (in each eye) with their habitual vision correction or 20/25 best-corrected.
- Currently wears soft contact lenses.
- Has clear corneas and no active ocular disease.
- Has not worn lenses for at least 12 hours before the examination.
You may not qualify if:
- A person will be excluded from the study if he/she:
- Has never worn contact lenses before.
- Has any systemic disease affecting ocular health.
- Is using any systemic or topical medications that will affect ocular health.
- Has any ocular pathology or severe insufficiency of lacrimal secretion (moderate to severe dry eyes) that would affect the wearing of contact lenses.
- Has persistent, clinically significant corneal or conjunctival staining using sodium fluorescein dye.
- Has any clinically significant lid or conjunctival abnormalities, active neovascularization or any central corneal scars.
- Is aphakic.
- Has undergone corneal refractive surgery.
- Is participating in any other type of eye related clinical or research study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University
Bloomington, Indiana, 47405, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Myhanh Nguyen, Sr. Optometrist
- Organization
- CooperVision
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 25, 2018
First Posted
January 31, 2018
Study Start
January 12, 2018
Primary Completion
April 3, 2018
Study Completion
April 3, 2018
Last Updated
May 4, 2020
Results First Posted
May 4, 2020
Record last verified: 2020-04
Data Sharing
- IPD Sharing
- Will not share