A Single-Center Evaluation of the Pattern of Allergic Signs and Symptoms During 4 Weeks in Ragweed Season
The study was designed to evaluate the pattern of seasonal allergic signs and symptoms consistent with ongoing ocular allergic inflammation during ragweed season. It was hypothesized that a pattern of ongoing ocular allergic inflammation existed in certain subjects.
|Study Design:||Observational Model: Cohort
Time Perspective: Prospective
- Diary Data [ Time Frame: 4 weeks ] [ Designated as safety issue: No ]
|Study Start Date:||August 2008|
|Study Completion Date:||September 2009|
|Primary Completion Date:||September 2008 (Final data collection date for primary outcome measure)|
Subjects who had a positive skin test to ragweed within 24 months of Visit 1 were instructed to complete a diary, which assessed their allergic signs and symptoms 3 times a day for 4 weeks. During the in-office visits, subjects were asked to completed a quality of life questionnaire, as well as a retrospective and/or prospective eye allergy questionnaire.