Visual Performance of Dailies Total1 Multifocal and Acuvue Oasys Max 1-Day Multifocal in Presbyopic Lens Wearers (GIRAFFE)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Contact
Study Contact
- Name: Jill Woods, MSc, MCOptom
- Phone Number: 36743 519-888-4567
- Email: jwoods@uwaterloo.ca
Study Locations
-
-
Ontario
-
Waterloo, Ontario, Canada, N2L 3G1
- Centre for Ocular Research & Education (CORE)
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Are at least 42 years of age and has full legal capacity to volunteer;
- Have signed an information consent letter;
- Are willing and able to follow instructions and maintain the appointment schedule;
- Habitually wears soft contact lenses for the past 3 months (minimum);
- Are presbyopic and require a reading addition of at least +0.75D and no more than +1.75D;
- Can be refracted and achieve monocular spectacle distance vision of at least 20/25 Snellen (or +0.10logMAR) visual acuity;
- Have contact lens power requirements that fall within the available study lens parameters (distance sphere: +6D to -9D; near addition as per each lens design);
- Can be fit with the initial fitting guidelines provided by the lens manufacturer and use either Low or Medium Add (same add in both eyes).
Exclusion Criteria:
- Are a current habitual wearer of Dailies Total1 Multifocal or ACUVUE OASYS MAX 1-DAY Multifocal;
- Has refractive astigmatism higher than -0.75DC in either eye;
- Are participating in any concurrent clinical or research study involving intervention or invasive ocular tests;
- Have any known active ocular disease and/or infection;
- Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
- Are using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
- Have known sensitivity to the diagnostic pharmaceuticals to be used in the study;
- Have undergone refractive error surgery;
- Are a member of the Centre for Ocular Research & Education (CORE) directly involved in the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Dailies Total1 Multifocal, ACUVUE OASYS MAX 1-Day Multifocal
Fit participant with Dailies Total1 Multifocal first, and with ACUVUE OASYS MAX 1-Day Multifocal second.
|
Daily disposable silicone hydrogel contact lenses indicated for presbyopia, in addition to myopia or hyperopia.
Other Names:
Daily disposable silicone hydrogel contact lenses indicated for presbyopia, in addition to myopia or hyperopia
Other Names:
|
|
Experimental: ACUVUE OASYS MAX 1-Day Multifocal, Dailies Total1 Multifocal
Fit participant with ACUVUE OASYS MAX 1-Day Multifocal first, and with Dailies Total1 Multifocal second.
|
Daily disposable silicone hydrogel contact lenses indicated for presbyopia, in addition to myopia or hyperopia.
Other Names:
Daily disposable silicone hydrogel contact lenses indicated for presbyopia, in addition to myopia or hyperopia
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
High contrast visual acuity (logMAR) at 6m
Time Frame: Day 1
|
High contrast visual acuity (logMAR) for the dominant eye under photopic illumination at 6m
|
Day 1
|
|
High contrast visual acuity (logMAR) at 40cm
Time Frame: Day 1
|
High contrast visual acuity (logMAR) for the dominant eye under photopic illumination at 40cm
|
Day 1
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Lyndon Jones, PhD, FCOptom, Centre for Ocular Research & Education (CORE)
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Estimated)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 46238
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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