The Effect of Silicone Hydrogel Contact Lenses on Conjunctival Flora
1 other identifier
interventional
60
1 country
1
Brief Summary
The primary purpose of this study is to investigate the effect of silicone hydrogel contact lenses on conjunctival flora over a period of 6 months of daily wear. A secondary aim is to compare the levels of microbial contamination of silicone hydrogel lenses after daily wear.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Sep 2007
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2007
CompletedFirst Submitted
Initial submission to the registry
September 17, 2007
CompletedFirst Posted
Study publicly available on registry
September 18, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2008
CompletedNovember 19, 2008
November 1, 2008
9 months
September 17, 2007
November 17, 2008
Conditions
Interventions
Eligibility Criteria
You may qualify if:
- Is correctable to at least 6/9 distance visual acuity in each eye with spherical contact lenses.
- Is a current full time soft contact lens wearer.
- Has no clinically significant anterior eye findings.
- Has no other active ocular disease
You may not qualify if:
- Has any systemic disease that might interfere with contact lens wear
- Is using any systemic or topical medications that will affect ocular health.
- Has any pre-existing ocular irritation that would preclude contact lens fitting.
- Has any ocular pathology or severe insufficiency of lacrimal secretion (dry eyes) that would affect the wearing of contact lenses.
- Has undergone corneal refractive surgery.
- Is pregnant, lactating or planning a pregnancy.
- Is participating in a concurrent clinical trial.
- Has a latex sensitivity.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Melbournelead
- Clinical Vision Research Australiacollaborator
- Johnson & Johnson Vision Care, Inc.collaborator
Study Sites (1)
Clinical Vision Research Australia
Melbourne, Victoria, 3053, Australia
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Carol Lakkis, BScOptom, PhD, PGCertOcTher
Clinical Vision Research Australia, Victorian College of Optometry
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
September 17, 2007
First Posted
September 18, 2007
Study Start
September 1, 2007
Primary Completion
June 1, 2008
Study Completion
September 1, 2008
Last Updated
November 19, 2008
Record last verified: 2008-11