Evaluation of Comfilcon A and Senofilcon A Lenses
Clinical Comfort Evaluation of Biofinity and Acuvue Oasys 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
-
-
Texas
-
Houston, Texas, United States, 77204
- University of Houston College of Optometry, TERTC
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Subjects must satisfy the following conditions prior to inclusion in the study:
- Has had an 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 information consent letter
- Is willing and able to follow instructions and maintain the appointment schedule
- Is correctable to a visual acuity of 20/30 or better (in each eye) with their habitual vision correction
- Currently wears soft contact lenses at least 3 days a week, 8 hours a day
- Has clear corneas and no active ocular disease
- Has not worn lenses for at least 12 hours before the examination
Have normal eyes with no evidence of abnormality or disease. For the purposes of this study a normal eye is defined as one having:
- No amblyopia
- No evidence of lid abnormality or infection (e.g. entropion, ectropion, chalazia, recurrent styes)
- No clinically significant slit lamp findings (e.g. infiltrates or other slit lamp findings Grade 2 or above: corneal edema, tarsal abnormalities, and conjunctival injection).
- No other active ocular disease (e.g. glaucoma, history of recurrent corneal erosions, cornea [infiltrates], conjunctiva, lids, and intraocular infection or inflammation of an allergic, bacterial, or viral etiology)
- No aphakia
- Has prescription to match the available power range.
Exclusion Criteria:
Any of the following will render a subject ineligible for inclusion:
- Greater than 0.75 of refractive astigmatism in either eye
- Has never worn contact lenses before
- Wears contact lenses on an extended wear basis
- Has any systemic disease affecting ocular health
- Is a known sufferer of ocular allergies
- Is taking medication, such as oral antihistamines, antihistamine eye drops, oral and ophthalmic beta-adrenergic blockers (e.g. Propanolol, Timolol), anticholinergics, oral steroids and any prescribed or over-the-counter eye medication, except artificial tears or eye lubricants
- Has any clinically significant lid or conjunctival abnormalities, neovascularization, corneal scars or corneal opacities
- Is aphakic
- Has undergone corneal refractive surgery.
- Is wearing monovision
- Is participating in any other type of clinical or research study
- Female who is currently pregnant or is breast-feeding
- Has > grade 1 ocular corneal staining in both type and extent by > grade 2 in either type or extent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
ACTIVE_COMPARATOR: Senofilcon A
Senofilcon A; Comfilcon A
|
Senofilcon A; Comfilcon A
Comfilcon A; Senofilcon A
|
|
EXPERIMENTAL: Comfilcon A
Comfilcon A; Senofilcon A
|
Senofilcon A; Comfilcon A
Comfilcon A; Senofilcon A
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Subjective Responses for Comfort Rated on a 0-100 Visual Scale.
Time Frame: Baseline Insertion, 10 Minutes, 5 hours and 10 hours
|
Subjective Patient Ratings measured using a Visual Analog Scale on a 0-100.
(0=Cannot be worn.
Causes pain, 20=Frequently irritating, 40=Occasionally irritating, 60=Occasionally noticeable but not irritating, 80=Rarely noticeable, 100=Cannot be felt ever)
|
Baseline Insertion, 10 Minutes, 5 hours and 10 hours
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Jan Bergmanson, OD, PhD, University of Houston College of Optometry, TERTC
Study record dates
Study Major Dates
Study Start
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 (ESTIMATE)
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
- CV-12-54
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