- Conditions
- Vision, Entoptic
- Interventions
- 12 mg Lutein + Zeaxanthin, Visually identical placebo
- Dietary Supplement
- Lead sponsor
- University of Georgia
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Athens, Georgia
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- Conditions
- Visual Snow Syndrome, Migraine, Healthy
- Interventions
- Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Imaging (MRS)
- Behavioral · Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2030
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota