Completed

Subjective Comparison of Pre-Lens Tear Film Stability With Daily Disposable Contact Lenses Using Ring Mire Projection

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Nelfilcon A contact lenses

+ Etafilcon A contact lenses

+ Omafilcon A contact lenses

Device
Who is being recruted

Eye Diseases+1

+ Hyperopia

+ Myopia

From 18 to 44 Years
+15 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Interventional
Study Start: April 2013
See protocol details

Summary

Principal SponsorAlcon Research
Last updated: June 20, 2014
Sourced from a government-validated database.Claim as a partner

Study start date: April 1, 2013

Actual date on which the first participant was enrolled.

Each participant wore 3 brands of contact lenses in a randomized, cross-over fashion, with a washout phase of at least 1 night between brands.

NCT01839318
Principal SponsorAlcon Research
Last updated: June 20, 2014
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

30 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

From 18 to 44 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Eye DiseasesHyperopiaMyopiaRefractive Errors

Criteria

6 inclusion criteria required to participate
Adapted soft contact lens wearer
Contact lens prescription within the power range specified in the protocol
Other protocol-defined inclusion criteria may apply
Sign Informed Consent
Show More Criteria
9 exclusion criteria prevent from participating
Any ocular finding observed during the Visit 1 examination that would contraindicate contact lens wear
Any ocular infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear
Any use of systemic or ocular medications that would contraindicate contact lens wear
History of herpetic keratitis, ocular surgery, or irregular cornea
Show More Criteria

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

3 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Experimental
Nelfilcon A contact lenses worn first, followed by etafilcon A and omafilcon A in randomized order. Each product worn for 1 day, 12 hours.

Group II

Active Comparator
Etafilcon A contact lenses worn first, followed by nelfilcon A and omafilcon A in randomized order. Each product worn for 1 day, 12 hours.

Group III

Active Comparator
Omafilcon A contact lenses worn first, followed by etafilcon A and nelfilcon A in randomized order. Each product worn for 1 day, 12 hours.

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.
This study has no location dataSave this study to your profile to know when the location data is available.
CompletedNo study centers