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Study of the Cell Response in the Tear Film After Overnight Contact Lens Wear

NCT01379768 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 65

Last updated 2013-03-08

Study results available
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Summary

The purpose of this study was to count and analyze the white blood cells in tear samples collected from study participants following sleep. The results from contact lens wearers were compared with the results from non-contact lens wearers.

Conditions

  • White Blood Cells

Interventions

DEVICE

Lotrafilcon A contact lens

Commercially marketed, silicone hydrogel, single-vision contact lens FDA-approved for daily and extended (overnight) wear for up to 30 nights.

DEVICE

Lotrafilcon B contact lens

Commercially marketed, silicone hydrogel, single-vision contact lens FDA-approved for daily or extended (overnight) wear up to 6 nights.

DEVICE

Clear Care Cleaning and Disinfection Solution

Hydrogen peroxide-based contact lens care system for nightly cleaning and disinfection of study lenses

Sponsors & Collaborators

  • University of Waterloo

    collaborator OTHER

  • CIBA VISION

    lead INDUSTRY

Principal Investigators

  • Lyndon Jones, PhD FCOptom FAAO, Director · Centre for Contact Lens Research, School of Optometry, University of Waterloo

Study Design

Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
17 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2011-05-31
Primary Completion
2012-01-31
Completion
2012-01-31

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01379768 on ClinicalTrials.gov