To Evaluate The Performance Of Two Monthly Replacement Silicone Hydrogel Contact Lenses After 1-month Of Wear
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Waterloo, Canada, N2L 3G1
- School of Optometry & Vision Science
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Is at least 17 years of age and has full legal capacity to volunteer;
- Self-reports having had a full eye examination within the previous 2 years;
- Has read and signed an information consent letter;
- Is willing and able to follow instructions and maintain the appointment schedule;
- Is a habitual wearer of frequent replacement contact lenses;
- Anticipates no difficulty wearing the contact lenses for 6 days/week and 8 hours/day during the study;
- Has refractive astigmatism no higher than -0.75DC in each eye;
- Can be successfully fit with both study lens types;
- Achieves at least 0.4 logMAR VA monocularly and at least 0.2 logMAR VA binocularly with each study lens type.
Exclusion Criteria:
- Is participating in any concurrent clinical research study;
- Has any known active ocular disease and/or infection;
- Has an unstable systemic condition that in the opinion of the investigator may affect vision or contact lens comfort across the 2-month study duration;
- Is using any systemic or topical medications in an irregular routine that in the opinion of the investigator may affect vision or contact lens comfort across the 2-month study duration;
- Has known sensitivity to the diagnostic sodium fluorescein to be used in the study;
- Is an employee of the Centre for Ocular Research & Education.
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: Lens A, Then Lens B
Participants wore Lens A for one month and then crossed over to wear Lens B for one month.
|
Daily wear for 1 month.
Daily wear for 1 month.
|
|
Experimental: Lens B, Then Lens A
Participants wore Lens B for one month and then crossed over to wear Lens A for one month.
|
Daily wear for 1 month.
Daily wear for 1 month.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Lens Handling on Lens Removal
Time Frame: 1 month
|
Lens handling on removal will be measured on a scale of 0-10, 0.5 steps (0=Completely dissatisfied,10=Completely satisfied)
|
1 month
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Lyndon Jones, PhD FCOptom, Centre for Ocular Research and Education
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 (Actual)
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
- EX-MKTG-132
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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