Clinical Evaluation of a Silicone Hydrogel Lens
This study has been completed.
Information provided by (Responsible Party):
Alcon Research ( CIBA VISION )
First received: November 17, 2009
Last updated: June 26, 2012
Last verified: September 2011
The purpose of this study is to assess the performance of an investigational contact lens among contact lens wearers.
|Study Design:||Intervention Model: Single Group Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Resource links provided by NLM:
Further study details as provided by Alcon Research:
Primary Outcome Measures:
- Overall Preference [ Time Frame: 4 weeks of wear ] [ Designated as safety issue: No ]Overall preference when comparing study lenses to "habitual" lenses, as interpreted by the participant and reported on a questionnaire as a single, retrospective evaluation of four weeks' wear time. Overall preference was measured on a 5-point Likert scale as follows: Strongly Prefer Study Lenses; Somewhat Prefer Study Lenses; No Preference; Somewhat Prefer "Habitual" Lenses; Strongly Prefer "Habitual" Lenses.
|Study Start Date:||October 2009|
|Study Completion Date:||December 2009|
|Primary Completion Date:||December 2009 (Final data collection date for primary outcome measure)|
Device: lotrafilcon A contact lens
Investigational silicone hydrogel, single-vision, soft contact lens worn for four weeks at least as often as and on the same basis as participant's habitual lenses, as prescribed by participant's eye care practitioner -- ie., on a daily wear, flex wear, or extended wear basis.
Contacts and Locations
No Contacts or Locations Provided