Clinical Evaluation of Two Daily Disposable Lenses in a Population of Daily Disposable (DD) Lens Wearers

Ciba Vision

Status: Completed

Conditions: Myopia

Treatments: Device: Narafilcon A contact lens; Device: Nelfilcon A contact lens

Study type: Interventional

Funder types: Industry

Identifiers

NCT00958828

P-337-C-028

Details and patient eligibility

About

The purpose of this study is to evaluate the performance of two daily disposable contact lenses in a population of daily disposable contact lens wearers.

Enrollment: 178 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• Currently wearing any spherical daily disposable contact lens except the two study products for at least 3 months prior to enrollment.
• Currently wearing contact lenses at least 8 hours/day and 5 days/week.
• Other protocol inclusion/exclusion criteria may apply.

Exclusion criteria

• Eye injury or surgery within twelve weeks immediately prior to enrollment.
• Currently enrolled in any clinical trial.
• Prior history of corneal or refractive surgery.
• Monovision correction.
• Other protocol inclusion/exclusion criteria may apply.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Single Blind

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178 participants in 2 patient groups

Nelfilcon A / Narafilcon A

Other group

Description:

Nelfilcon A contact lenses, then Narafilcon A contact lenses

Treatment:

Device: Narafilcon A contact lens

Device: Nelfilcon A contact lens

Narafilcon A / Nelfilcon A

Other group

Description:

Narafilcon A contact lenses, then Nelfilcon A contact lenses

Treatment:

Device: Narafilcon A contact lens

Device: Nelfilcon A contact lens