The Effect of Silicone Hydrogel Contact Lenses on Conjunctival Flora

Sponsor
University of Melbourne (Other)
Overall Status
Completed
CT.gov ID
NCT00531375
Collaborator
Clinical Vision Research Australia (Other), Johnson & Johnson Vision Care, Inc. (Industry)
60
1
12
5

Study Details

Study Description

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.

Condition or Disease Intervention/Treatment Phase
  • Device: Silicone hydrogel contact lens
N/A

Study Design

Study Type:
Interventional
Actual Enrollment :
60 participants
Allocation:
Randomized
Intervention Model:
Single Group Assignment
Masking:
Double (Participant, Investigator)
Primary Purpose:
Treatment
Study Start Date :
Sep 1, 2007
Actual Primary Completion Date :
Jun 1, 2008
Actual Study Completion Date :
Sep 1, 2008

Outcome Measures

Primary Outcome Measures

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 45 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes
    Inclusion Criteria:
    • 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

    Exclusion Criteria:
    • 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.

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Clinical Vision Research Australia Melbourne Victoria Australia 3053

    Sponsors and Collaborators

    • University of Melbourne
    • Clinical Vision Research Australia
    • Johnson & Johnson Vision Care, Inc.

    Investigators

    • Principal Investigator: Carol Lakkis, BScOptom, PhD, PGCertOcTher, Clinical Vision Research Australia, Victorian College of Optometry

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    , ,
    ClinicalTrials.gov Identifier:
    NCT00531375
    Other Study ID Numbers:
    • H07 003
    First Posted:
    Sep 18, 2007
    Last Update Posted:
    Nov 19, 2008
    Last Verified:
    Nov 1, 2008
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Nov 19, 2008