Study of Soft Contact Lens Use With 7 Day Extended Wear
- Conditions
- Ametropia
- Interventions
- Device: Acuvue 2 Soft Contact LensDevice: VISA (comfilcon A) Silicone Hydrogel Soft contact lens
- Registration Number
- NCT00597467
- Lead Sponsor
- Coopervision, Inc.
- Brief Summary
To compare the safety and efficacy of the CVI silicone-hydrogel lens worn on an extended wear basis for a period of up to 7 days and 6 nights with the Acuvue 2 soft contact lenses.
- Detailed Description
To compare the safety and efficacy of the CVI silicone-hydrogel lens worn on an extended wear basis for a period of up to 7 days and 6 nights with the Acuvue 2 soft contact lenses in this open-labeled randomized study.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 460
- Be at least 18 years of age as of the date of evaluation.
- Require lens powers between -0.50 and -6.00 diopters sphere with no more than 1.00 diopter of refractive astigmatism and be willing to wear lenses in both eyes.
- Be correctable to visual acuities of at least 20/25 in each eye with spectacles.
- Be in good general health, based on his/her knowledge.
- Be able and willing to adhere to the instructions set forth in this protocol and able to keep all specified appointments.
- Possess wearable and visually functional eyeglasses.
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Previously unsuccessful with contact lens wear.
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Rigid gas permeable contact lens wear within the past 12 months.
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Previous refractive surgery; current or previous orthokeratology treatment.
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Subject is wearing lenses in a modified monovision modality (multifocal lens in one eye). NOTE: subjects may not wear monovision lenses at any time during the study unless they are wearing spherical monovision lenses prior to enrollment.
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Aphakia, keratoconus or an irregular cornea.
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A known history of corneal hypoesthesia
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Clinically significant (grade 3 or 4) anterior segment abnormalities or any infection of the eye, lids, or associated structures.
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Ocular or systemic disease or need for medication which might interfere with contact lens wear. i.e., Sjรถgren's syndrome, type II diabetes, etc.
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Slit lamp findings that would contraindicate contact lens wear, including but not limited to:
- History of corneal ulcer, corneal infiltrates or fungal infections.
- Pterygium, pinguecula or corneal scars within the visual axis
- Pathological dry eye or associated findings (examples: Sjรถgren's syndrome, lupus erythematosus, sclerodermia)
- Neovascularization or ghost vessels > 1mm in from the limbus
- Seborrheic eczema, seborrheic conjunctivitis
- History of papillary conjunctivitis greater than Grade 2 (Mild)
- Anterior uveitis or iritis (past or present)
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Known sensitivity to the care systems used in this study.
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Poor personal hygiene
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Current pregnancy or is lactating (to the best of the subject's knowledge) or subject is planning pregnancy within the next 13 months.
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Any active participation in another clinical study within 30 days prior to this study.
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Subject is a member, relative or household member of the office staff, including the investigator(s).
Subjects must read, indicate understanding of, and sign the Informed Consent Form.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Control Contact Lenses Acuvue 2 Soft Contact Lens Acuvue 2 Soft Contact Lens Test Contact Lenses VISA (comfilcon A) Silicone Hydrogel Soft contact lens VISA (comfilcon A) Silicone Hydrogel Soft contact lens
- Primary Outcome Measures
Name Time Method Frequency of serious and significant AEs 1 Year Frequency of serious and significant AEs defined as a composite of infiltrates of higher than grade 2 and/or infiltrates with any overlying staining, peripheral ulcer, and loss of two or more lines of visual acuity at any time during the trial
- Secondary Outcome Measures
Name Time Method Contact Lens Visual Acuity 1 Year Contact lens visual acuity was assessed using LogMAR
Trial Locations
- Locations (19)
Concord Ophthalmological Associates
๐บ๐ธConcord, New Hampshire, United States
Primary Eyecare Group, P.C.
๐บ๐ธBrentwood, Tennessee, United States
The Koetting Associates Inc.
๐บ๐ธSaint Louis, Missouri, United States
Vision Care Associates
๐บ๐ธEast Lansing, Michigan, United States
Western Reserve Vision Care
๐บ๐ธBeachwood, Ohio, United States
Place Optical Company Inc
๐บ๐ธLe Roy, New York, United States
Eye Care Associates of Hawaii
๐บ๐ธWaipahu, Hawaii, United States
Snowy Range Vision Center
๐บ๐ธLaramie, Wyoming, United States
Eye Care Associates, P.C.
๐บ๐ธFort Collins, Colorado, United States
La Mesa Vision Care Center
๐บ๐ธLa Mesa, California, United States
(Private Practice)
๐บ๐ธSalt Lake City, Utah, United States
Davis Eyecare Associates
๐บ๐ธOak Lawn, Illinois, United States
Professional Eye Care Associates
๐บ๐ธColumbus, Ohio, United States
Eola Eyes
๐บ๐ธOrlando, Florida, United States
Ohio State University
๐บ๐ธColumbus, Ohio, United States
Drs. Cook, Reeder and Associates
๐บ๐ธSan Diego, California, United States
Kato & Shoji Optometrists
๐บ๐ธHonolulu, Hawaii, United States
Quinn Quinn & Associates
๐บ๐ธAthens, Ohio, United States
Twin Lakes Vision
๐บ๐ธFederal Way, Washington, United States