Clinical Assessment of a Multifocal Contact Lens for People Who Use Reading Glasses Only
This study has been completed.
Information provided by (Responsible Party):
Alcon Research ( CIBA VISION )
First received: December 29, 2010
Last updated: June 26, 2012
Last verified: February 2012
The purpose of this trial is to evaluate the use of multifocal contact lenses in people who use reading glasses only.
|Study Design:||Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
|Official Title:||Clinical Assessment of a New Multifocal Contact Lens With Emmetropic Presbyopes|
Resource links provided by NLM:
Further study details as provided by Alcon Research:
Primary Outcome Measures:
- Overall Convenience With Contact Lenses [ Time Frame: 3 weeks of wear ] [ Designated as safety issue: No ]Overall convenience with contact lenses, as interpreted by the participant and reported on a questionnaire as a single, retrospective evaluation of 3 weeks of wear time. Overall convenience is measured on a 4-point scale: 1=very satisfied; 2=satisfied; 3=dissatisfied; 4=very dissatisfied. Results were reported as a percentage of participants who responded, "very satisfied" or "satisfied."
|Study Start Date:||December 2010|
|Study Completion Date:||February 2011|
|Primary Completion Date:||February 2011 (Final data collection date for primary outcome measure)|
Experimental: Lotrafilcon B multifocal
Lotrafilcon B multifocal contact lenses worn bilaterally for 3 weeks on a daily wear basis
Device: Lotrafilcon B multifocal contact lens
Commercially marketed, silicone hydrogel, multifocal, soft contact lenses FDA-approved for up to 4 weeks recommended replacement schedule and up to 6 nights of extended (overnight) wear.
Other Name: AIR OPTIX® AQUA MULTIFOCAL
Contacts and Locations
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