{"product_id":"ventizen-blue-light-blocking-glasses","title":"Ventizen Blue Light Blocking Glasses","description":"\u003cp\u003eTinted lenses that filter blue light from screens and indoor lighting in the evening, so your wind-down routine feels calmer before bed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThree filter levels. The darker the lens, the more blue and green light it blocks:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellow: light filter.\u003c\/strong\u003e About 37% of sleep-disrupting blue light and 20% of green light. For daytime screen use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrange: strong filter.\u003c\/strong\u003e About 90% of sleep-disrupting blue light and 65% of green light. Wear 2–3 hours before bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed: maximum filter.\u003c\/strong\u003e About 98% of sleep-disrupting blue light and 91% of green light. For the last hour before sleep.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFigures are average blocking measured for each lens tint in front of a tablet screen in a 2022 lab study of 50 commercial blue-blocking glasses (Mason et al., Chronobiology International). Individual lenses and light sources vary.\u003c\/p\u003e\u003cp\u003eLightweight black frame (about 24g). Lens 54mm x 42mm, frame width 142mm. Not for driving.\u003c\/p\u003e","brand":"Ventizen","offers":[{"title":"Yellow","offer_id":50673156128871,"sku":"71:200003699#Black yellow","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":50673156161639,"sku":"71:350852","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":50673156194407,"sku":"73:193#Black Red","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0198\/6663\/files\/S2b0dd30a603742949b5a31fcee226a75d.webp?v=1792945248","url":"https:\/\/www.ventizen.com\/products\/ventizen-blue-light-blocking-glasses","provider":"Ventizen","version":"1.0","type":"link"}