Evaluation of Orientation and Visual Acuity of Four Toric Soft Contact Lenses When Head is Tilted at 90 Degrees
NCT ID: NCT00583908
Last Updated: 2015-05-21
Study Results
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View full resultsBasic Information
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COMPLETED
NA
14 participants
INTERVENTIONAL
2007-11-30
2008-01-31
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
SINGLE
Study Groups
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Group 1: lotrafilcon B/senofilcon A/balafilcon A/omafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. Period 1: lotrafilcon B /period 2: senofilcon A / period 3: balafilcon A / period 4: omafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 2 lotrafilcon B/omafilcon A/senofilcon A/balafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: lotrafilcon B / period 2: omafilcon A / period 3: senofilcon A / period 4: balafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 3 lotrafilcon B/balafilcon A/senofilcon A/omafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: lotrafilcon B / period 2: balafilcon A / period 3: senofilcon A / period 4: omafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 4 senofilcon A/lotrafilcon B/omafilcon A/balafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: senofilcon A / period 2: lotrafilcon B / period 3: omafilcon A / period 4: balafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 5 senofilcon A/omafilcon A/balafilcon A/lotrafilcon B
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: senofilcon A / period 2: omafilcon A / period 3: balafilcon A / period 4: lotrafilcon B
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 6 senofilcon A/balafilcon A/lotrafilcon B/omafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: senofilcon A / period 2: balafilcon A / period 3: lotrafilcon B / period 4: omafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 7 omafilcon B/lotrafilcon B/senofilcon A/balafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: omafilcon A / period 2: lotrafilcon B / period 3: senofilcon A / period 4: balafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 8 balafilcon A/lotrafilcon B/senofilcon A/omafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: balafilcon A / period 2: lotrafilcon B / period 3: senofilcon A / period 4: omafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 9 balafilcon A/lotrafilcon B/omafilcon A/senofilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: balafilcon A / period 2: lotrafilcon B / period 3: omafilcon A / period 4: senofilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 10 balafilcon A/senofilcon A/lotrafilcon B/omafilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: balafilcon A / period 2: senofilcon A / period 3: lotrafilcon B / period 4: omafilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 11 balafilcon A/senofilcon A/omafilcon A//lotrafilcon B
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: balafilcon A / period 2: senofilcon A / period 3: omafilcon A / period 4: lotrafilcon B
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Group 12 balafilcon A/omafilcon A/lotrafilcon B/senofilcon A
One intervention was worn during each study period, which consisted of lens insertion, followed by a 15 minute settling period prior to measurement. All four periods were conducted in one day. period 1: balafilcon A / period 2: omafilcon A / period 3: lotrafilcon B / period 4: senofilcon A
senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Interventions
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senofilcon A
toric contact lens
balafilcon A toric
toric contact lens
lotrafilcon B toric
toric contact lens
omafilcon A
toric contact lens
Eligibility Criteria
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Inclusion Criteria
2. be able and willing to adhere to the instructions set forth in the protocol.
3. have a distance spherical component between -1.00 D and -6.00D with cylinder in the range of 0.75 D to 1.75D
4. Sign the STATEMENT OF INFORMED CONSENT.
5. Have normal, healthy eyes
Exclusion Criteria
2. Pre-existing ocular disease precluding contact lens fitting.
3. Insufficient lacrimal secretions
4. Aphakia, keratoconus or a highly irregular cornea
5. Previous eye surgery involving the anterior segment
6. Current pregnancy or lactation (to the best of the subject's knowledge).
7. Use of concurrent ocular medication
8. Active participation in another clinical study at any time during this study.-
18 Years
50 Years
ALL
No
Sponsors
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Visioncare Research Ltd.
OTHER
Johnson & Johnson Vision Care, Inc.
INDUSTRY
Responsible Party
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Principal Investigators
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Graeme Young, BSc, MPhil
Role: PRINCIPAL_INVESTIGATOR
Visioncare Research Ltd.
Locations
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Visioncare Research Ltd.
Farnham, , United Kingdom
Countries
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Other Identifiers
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ETOR-507(under GNR-011)
Identifier Type: -
Identifier Source: secondary_id
CR-0710 pt 3
Identifier Type: -
Identifier Source: org_study_id
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