Clinical Evaluation of Stenfilcon A Contact Lenses
Clinical Evaluation of CooperVision MyDay Lenses
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
-
-
Fukusima
-
Fukushima, Fukusima, Japan, 960-8034
- Shioya eye clinic
-
-
Kyoto
-
Terada, Kyoto, Japan, 610-0121
- Kodama Eye Clinic
-
-
Tokyo
-
Shibuya, Tokyo, Japan, 15-0043
- Itoi Eye Clinic
-
-
Yamaguchi
-
Shimonoseki, Yamaguchi, Japan, 751-0872
- Ueda Eye Clinic
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
A person is eligible for inclusion in the study if he/she:
- Is Japanese
- Has had a self-reported oculo-visual examination in the last two years.
- Is at least 18 years of age and has full legal capacity to volunteer.
- Has read and understood the informed consent letter.
- Is willing and able to follow instructions and maintain the appointment schedule.
- Is correctable to a visual acuity of 20/40 or better (in each eye) with their habitual vision correction or 20/20 best-corrected.
- Currently wears soft contact lenses.
- Has clear corneas and no active ocular disease.
Exclusion Criteria:
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.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: stenfilcon A lens
MyDay contact lens
|
contact lens
Other Names:
|
|
Active Comparator: narafilcon A lens
1-Day Acuvue TruEye
|
contact lens
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Lens Movement
Time Frame: 5 minutes
|
Movement of lens after blink: (Categories = Tight, Slightly tight, Optimum, Slightly loose, Loose)
|
5 minutes
|
|
Lens Movement
Time Frame: 3hrs
|
Movement of lens after blink: (Categories = Tight, Slightly tight, Optimum, Slightly loose, Loose)
|
3hrs
|
|
Horizontal Lens Centration
Time Frame: 5 minutes
|
Centration of lens horizontally: (Grades = Temporal, Slightly temporal, Centered, Slightly Nasal, Nasal)
|
5 minutes
|
|
Horizontal Lens Centration
Time Frame: 3hrs
|
Centration of lens horizontally: (Grades = Temporal, Slightly temporal, Centered, Slightly Nasal, Nasal)
|
3hrs
|
|
Vertical Lens Centration
Time Frame: 5 minutes
|
Centration of lens horizontally: (Grades = Superior, Slightly superior, Center, Slightly inferior, Inferior)
|
5 minutes
|
|
Vertical Lens Centration
Time Frame: 3hrs
|
Centration of lens horizontally: (Grades = Superior, Slightly superior, Centered, Slightly inferior, Inferior)
|
3hrs
|
|
Corneal Coverage
Time Frame: 5 minutes
|
Does lens cover the cornea: (Yes, No)
|
5 minutes
|
|
Corneal Coverage
Time Frame: 3hrs
|
Does lens cover the cornea: (Yes, No)
|
3hrs
|
|
Lens Lag
Time Frame: 5 minutes
|
Movement after looking right and left: (Grades = Move along with cornea, slight delay, delay)
|
5 minutes
|
|
Lens Lag
Time Frame: 3hrs
|
Movement after looking right and left: (Grades = Move along with cornea, slight delay, delay)
|
3hrs
|
|
Overall Fitting Performance
Time Frame: 5 minutes
|
Lens fit performance: (Grades: Optimum, Good, Acceptable, Unacceptable)
|
5 minutes
|
|
Overall Fitting Performance
Time Frame: 3hrs
|
Lens fit performance: (Grades: Optimum, Good, Acceptable, Unacceptable)
|
3hrs
|
|
Investigator Fit Preference
Time Frame: 5 minutes
|
Lens fit preference: (Grades: Prefer stenfilcon A strongly, Prefer stenfilcon A slightly, Either, Prefer narafilcon A slightly, Prefer narafilcon A strongly)
|
5 minutes
|
|
Investigator Fit Preference
Time Frame: 3hrs
|
Lens fit preference: (Grades: Prefer stenfilcon A strongly, Prefer stenfilcon A slightly, Either, Prefer narafilcon A slightly, Prefer narafilcon A strongly)
|
3hrs
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Comfort
Time Frame: Baseline
|
Subjective comfort: (on a scale of 0-10, 0 (Uncomfortable) - 10 (Comfortable))
|
Baseline
|
|
Comfort
Time Frame: 5 Minutes
|
Subjective comfort: (on a scale of 0-10, 0 (Uncomfortable) - 10 (Comfortable))
|
5 Minutes
|
|
Comfort
Time Frame: 3 hours
|
Subjective comfort: (on a scale of 0-10, 0 (Uncomfortable) - 10 (Comfortable))
|
3 hours
|
|
Dryness
Time Frame: Baseline
|
Subjective dryness: (on a scale of 0-10, 0 (Dry) - 10 (Not dry))
|
Baseline
|
|
Dryness
Time Frame: 5 minutes
|
Subjective dryness: (on a scale of 0-10, 0 (Dry) - 10 (Not dry))
|
5 minutes
|
|
Dryness
Time Frame: 3 hours
|
Subjective dryness: (on a scale of 0-10, 0 (Dry) - 10 (Not dry))
|
3 hours
|
|
Stinging/Burning
Time Frame: Baseline
|
Subjective stinging/burning sensation: (on a scale of 0-10, 0 (Cannot wear) - 10 (No Stinging/Burning))
|
Baseline
|
|
Stinging/Burning
Time Frame: 5 minutes
|
Subjective stinging/burning sensation: (on a scale of 0-10, 0 (Cannot wear) - 10 (No Stinging/Burning))
|
5 minutes
|
|
Stinging/Burning
Time Frame: 3 hours
|
Subjective stinging/burning sensation: (on a scale of 0-10, 0 (Cannot wear) - 10 (No Stinging/Burning))
|
3 hours
|
|
Edge/Lens Awareness
Time Frame: Baseline
|
Subjective edge/lens awareness: (on a scale of 0-10, 0 (Cannot wear) - 10 (No edge awareness))
|
Baseline
|
|
Edge/Lens Awareness
Time Frame: 5 minutes
|
Subjective edge/lens awareness: (on a scale of 0-10, 0 (Cannot wear) - 10 (No edge awareness))
|
5 minutes
|
|
Edge/Lens Awareness
Time Frame: 3 hours
|
Subjective edge/lens awareness: (on a scale of 0-10, 0 (Cannot wear) - 10 (No edge awareness))
|
3 hours
|
|
Subjective Lens Preference
Time Frame: Baseline
|
Lens preference (stenfilcon A, Either, Neither, narafilcon A)
|
Baseline
|
|
Subjective Lens Preference
Time Frame: 5 minutes
|
Lens preference (stenfilcon A, Either, Neither, narafilcon A)
|
5 minutes
|
|
Subjective Lens Preference
Time Frame: 3 hours
|
Lens preference (stenfilcon A, Either, Neither, narafilcon A)
|
3 hours
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Yuji Kodama, MD, PhD, Kodama Eye Clinic
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
- JP-MKTG-201709_02
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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