Dietary supplement use for eye health in adults: knowledge, motivations, and consumption patterns in a nationwide sample of adults in Poland, 2026 (opens in new tab)

IntroductionVision is a key human sense affecting both social and occupational activities. Evidence on the role of nutrients and micronutrients in eye health remains inconsistent. This study aimed to assess self-reported knowledge of diet and eye health and to characterize the use of dietary supplements for vision support among adults in Poland.MethodsThis cross-sectional questionnaire-based survey was conducted between 13 and 17 March 2026 on a nationwide sample of 1,090 adults in Poland. Se...