Multifocal Contact Lens Use in Previous Contact Lens Wearers With Near Vision Demands
NCT ID: NCT00965237
Last Updated: 2012-07-10
Study Results
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View full resultsBasic Information
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COMPLETED
NA
16 participants
INTERVENTIONAL
2009-08-31
2009-12-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
NONE
Study Groups
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Multifocal CL / Single vision CL + reading glasses
Lotrafilcon B multifocal contact lenses (CL) worn first, with lotrafilcon B single vision contact lenses (CL) and over-reader spectacles worn second. Both contact lens products worn bilaterally on a daily wear basis; over-reader spectacles worn on an as-needed basis.
lotrafilcon B multifocal contact lens
Commercially marketed, silicone hydrogel, multifocal contact lens for daily wear use
lotrafilcon B single vision contact lens
Commercially marketed, silicone hydrogel, single vision contact lens for daily wear use
Over-reader spectacles
Reading glasses worn over single vision contact lenses for near vision work on an as-needed basis
Single vision CL + reading glasses / Multifocal CL
Lotrafilcon B single vision contact lenses (CL) and over-reader spectacles worn first, with lotrafilcon B multifocal contact lenses (CL) worn second. Both contact lens products worn bilaterally on a daily wear basis; over-reader spectacles worn on an as-needed basis.
lotrafilcon B multifocal contact lens
Commercially marketed, silicone hydrogel, multifocal contact lens for daily wear use
lotrafilcon B single vision contact lens
Commercially marketed, silicone hydrogel, single vision contact lens for daily wear use
Over-reader spectacles
Reading glasses worn over single vision contact lenses for near vision work on an as-needed basis
Interventions
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lotrafilcon B multifocal contact lens
Commercially marketed, silicone hydrogel, multifocal contact lens for daily wear use
lotrafilcon B single vision contact lens
Commercially marketed, silicone hydrogel, single vision contact lens for daily wear use
Over-reader spectacles
Reading glasses worn over single vision contact lenses for near vision work on an as-needed basis
Eligibility Criteria
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Inclusion Criteria
* requires a reading add of +0.50 to +1.75 D (inclusive) and is correctable to at least 6/9 monocular, distance and near with spectacle correction
* has had an ocular examination in the last 2 years
Exclusion Criteria
* has more than a 2.00D prescription difference between eyes
* cannot be fit successfully with the study contact lenses
* has any systemic disease affecting ocular health
* is using any systemic or topical medications that may affect ocular health
* has undergone corneal refractive surgery
ALL
No
Sponsors
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University of Waterloo
OTHER
CIBA VISION
INDUSTRY
Responsible Party
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Locations
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University of Waterloo Centre for Contact Lens Research
Waterloo, Ontario, Canada
Countries
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Other Identifiers
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P-368-C-101
Identifier Type: -
Identifier Source: org_study_id
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