PURPOSES:To evaluate the optical performance of blue-light filtering spectacle lenses and investigate whether a reduction in blue light transmission affects visual performance and sleep quality. METHODS:Experiment 1: The relative changes in phototoxicity. scotopic sensitivity. and melatonin suppression of five blue-light filtering plano spectacle lenses were calculated based on their ... https://trendingcustomes.shop/product-category/3-layer-wooden-ornament/