Performance Evaluation of Contact Lenses Among a Population of Adapted Contact Lens Wearers
- Conditions
- Vision Disorders
- Interventions
- Device: SofLens59 contact lensDevice: PureVision Multi-Focal contact lenses
- Registration Number
- NCT00985231
- Lead Sponsor
- Bausch & Lomb Incorporated
- Brief Summary
This study is being conducted to evaluate Bausch \& Lomb PureVision Multi-Focal contact lenses compared to the Bausch \& Lomb SofLens59 contact lens when worn by adapted soft contact lens wearers on a daily wear basis.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 272
- Subjects must have clear central corneas and be free of any anterior segment disorders.
- Subjects must be adapted soft contact lens wearers and agree to wear the study lenses on a daily wear basis for at least eight hours a day for approximately two weeks.
- Subjects must wear a lens in each eye and each lens must be of the same manufacture and brand.
- Subjects participating in any drug or device clinical investigation within two weeks prior to entry into this study and/or during the period of study participation.
- Subjects with any systemic disease affecting ocular health
- Subjects with an active ocular disease or using any ocular medication.
- Subjects who have had any corneal surgery (eg, refractive surgery).
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description SofLens59 contact lens SofLens59 contact lens - PureVision Multi-Focal contact lenses PureVision Multi-Focal contact lenses -
- Primary Outcome Measures
Name Time Method Distance Visual Acuity (VA) Between Test and Control Lenses Worse Than 20/40. 2 weeks Eyes with distance lens VA of 20/40 or worse at study exit between test and control lenses.
- Secondary Outcome Measures
Name Time Method Subjective Ratings of Eye Strain 2 week visit Convergence Insufficiency Symptom Survey (CISS), was used to assess eye strain symptoms measured on a scale of 1-4. 0 score=never, 4 score=always
Trial Locations
- Locations (1)
Bausch & Lomb
🇺🇸Rochester, New York, United States