Multipurpose Disinfecting Solution Compatibility With a Silicone Hydrogel Contact Lens
- Conditions
- HyperopiaMyopia
- Interventions
- Device: Silicone Hydrogel Contact Lens
- Registration Number
- NCT00520689
- Lead Sponsor
- University of Waterloo
- Brief Summary
The purpose of this study is to verify the compatibility of a silicone hydrogel lens when used with four multipurpose disinfecting solutions (OPTI-FREE® RepleniSH®, ReNu MultiPlus®, Solo-Care Aqua™ and MeniCareTM Soft).
- Detailed Description
The purpose of this study is to verify the compatibility of a silicone hydrogel lens when used with four multipurpose disinfecting solutions (OPTI-FREE® RepleniSH®, ReNu MultiPlus®, Solo-Care Aqua™ and MeniCareTM Soft) by observing changes within the cornea.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 25
A person is eligible for inclusion in the study if he/she:
- Is at least 17 years old and has full legal capacity to volunteer
- Has read and signed an information consent letter, after having the opportunity to ask questions and receive acceptable answers
- Is willing and able to follow instructions and maintain the study appointment schedule
- Is correctable to a visual acuity of 6/7.5 (20/25) or better (both eyes) with their habitual vision correction
- Has normal binocular vision (no strabismus, no amblyopia, and anisometropia less than or equal to 1.00 D)
- Has clear corneas and no active ocular disease
- Has had an ocular examination in the last two years.
- Has a functional pair of spectacles
- Is a current soft lens wearer replacing their lenses at least monthly
- Has a distance contact lens prescription between +6.00D to -10.00 DS and can be successfully fitted with the study lens
- Has astigmatism less than or equal to -1.00DC
- Agrees to wear the study lenses on a daily wear basis
A person will be excluded from the study if he/she:
- Has any signs or symptoms of dry eye
- Has any clinically significant blepharitis
- Has undergone corneal refractive surgery
- Is aphakic
- Has any systemic disease affecting ocular health
- Is using any systemic or topical medications that may affect ocular health
- Is pregnant or lactating
- Is participating in any other type of clinical or research study
- Currently wears daily disposable lenses
- Currently wears lenses on a continuous or extended wear basis
- Is unable to successfully wear contact lenses without routinely using rewetting drops
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Arm && Interventions
Group Intervention Description 4 Silicone Hydrogel Contact Lens - 3 Silicone Hydrogel Contact Lens - 1 Silicone Hydrogel Contact Lens - 2 Silicone Hydrogel Contact Lens -
- Primary Outcome Measures
Name Time Method To see if there are any effects on the cornea when using each contact lens/solution combination. Over 2 days
- Secondary Outcome Measures
Name Time Method To quantify comfort and vision ratings with each lens/solution combination. over 2 days
Trial Locations
- Locations (1)
Centre for Contact Lens Research, University of Waterloo
🇨🇦Waterloo, Ontario, Canada