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