Online Validation of Dietary Intake Food Frequency Questionnaire Over Four Weeks, and Electronic Device Use Questionnaire Over Eight Weeks.
Conditions: Lutein, Zeaxanthin, Dietary Intake, Blue Light, Electronic Device Use; Age Related Macular Degeneration Interventions: Other: Weekly Food Frequency Questionnaire; Other: Monthly Food Frequency Questionnaire; Other: 24-Hour Diet Recall; Other: Electronic Device Use Questionnaire; Other: 24-Hour Electronic Device Use Diary Sponsor: The University of Queensland Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials