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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Measurements of Visual Diet in Children

NCT07642999
Conditions
Myopia, Visual Diet, Pupil, Viewing Distance, Illuminance, Wavelength, Vergence, Accommodative Facility
Interventions
Not listed
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
7 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Dark Chocolate on Visual Performance

NCT03326934
Conditions
Dietary Supplementation
Interventions
Dark chocolate, Milk Chocolate
Dietary Supplement
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Vision, and Cognition in Sport Study: Beef

NCT04427852
Conditions
Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing, Diet, Healthy, Diet; Deficiency, Dietary Deficiency, Dietary B12 Deficiency, Dietary Zinc Deficiency, Dietary Vitamin B12 Deficiency Anemia, Dietary Deficiency of Selenium and Vitamin E
Interventions
30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation

NCT03319173
Conditions
Mild Cognitive Impairment, Metabolic Syndrome
Interventions
Dietary intervention
Behavioral
Lead sponsor
Bristlecone Health, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Maple Grove, Minnesota
Conditions
Dietary Supplementation
Interventions
4D, placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Healthy
Interventions
Visual nutrient profiling tool, Nutrient ratings table
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Urbana, Illinois
Recruiting No phase listed Observational Accepts healthy volunteers

Baylor Infant and Toddler Biomarker of Nutrition Study

NCT05869760
Conditions
Healthy Nutrition, Healthy Diet
Interventions
Carotenoid Intake, Serum carotenoid concentrations
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Months to 24 Months
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Diabetes Mellitus - Type 1, Diabetes Mellitus - Type 2, Non-proliferative Diabetic Retinopathy
Interventions
multi-component nutritional supplement capsules, multi-component dietary supplement
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tacoma, Washington
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more