{"product_id":"shinu-fl-41-glasses-fl41-tint-glasses-rose-fl41-lenses-480-520nm-filter-special-for-migraine-relief-light-sensitivity-eyewear","title":"SHINU FL-41 Glasses FL41 Tint Glasses, Rose FL41 Lenses 480-520nm Filter Special for Migraine Relief Light Sensitivity Eyewear","description":"\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;color:#434649;font-size:13px;font-weight:normal;\"\u003e\u003cspan style=\"font-size:36px;\"\u003e\u003cstrong\u003e1. Why 480–520nm Light Irritates Eyes\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-size:24px;\"\u003eHuman eyes have rods (night vision) and cones (color \u0026amp; detail).\u003cbr\u003e In early 2000s, scientists found ipRGCs, a third light-sensing cell. It carries melanopsin, highly sensitive\u003cbr\u003e to 480–520nm cyan-green light. Too much light in this band triggers glare and eye discomfort from LEDs,\u003cbr\u003e fluorescent lights and sunlight.\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-size:36px;\"\u003e\u003cstrong\u003e2. Where FL41 Comes From\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"font-size:24px;\"\u003e\u003cbr\u003e FL41 stands for Fluorescent Light Formula 41, created in late 1980s by Professor Arnold Wilkins in Birmingham,\u003cbr\u003e UK. Old office fluorescent lights flicker invisibly with strong 480–520nm spectrum, causing eye strain for\u003cbr\u003e workers. After many trials, his 41st rose-tint lens formula perfectly filters harsh fluorescent light, named FL-41.\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003e\u003cspan style=\"font-size:36px;\"\u003e3. How FL41 Lenses Work\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-size:24px;\"\u003eOriginally made for office eye fatigue relief.\u003cbr\u003e FL41 rose lenses block irritating 480–520nm cyan-green light and cut glare from screens, lamps and sun.\u003cbr\u003e Different from dark sunglasses, it stays transparent indoors without dim vision, also softens harsh outdoor\u003cbr\u003e light for office, study and daily outdoor use.\u003c\/span\u003e\u003cbr\u003e  \u003c\/p\u003e \n\u003cimg cke-id=\"img125\" height=\"800\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4b56ab2dcc1949638140e3c8ee7b863cw.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"800\"\u003e \n\u003cimg cke-id=\"img126\" height=\"800\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfbaba31a90ae402995a2ce4936d9a6c9Z.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"800\"\u003e \n\u003cimg cke-id=\"img127\" height=\"800\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3f27248bf7654c088871bd32ac5ea54as.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"800\"\u003e \n\u003cimg cke-id=\"img128\" height=\"800\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfbaba31a90ae402995a2ce4936d9a6c9Z.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"800\"\u003e \n\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;color:#434649;font-size:13px;font-weight:normal;\"\u003ePlease check the size before your order, this is very important.\u003c\/p\u003e \n\u003cimg cke-id=\"img129\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S999e91987e984f91b7a8e5940065f9f7i.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img130\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9e0e1047b2164c31bd431851820c5025F.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img131\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd97156a5cb5d49498e155b4e0e6abfa6b.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img132\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S79520aea7738440690f45f1c390f7701p.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;font-size:16px;font-weight:bold;\"\u003eC1 Black Frame\u003c\/p\u003e \n\u003cimg cke-id=\"img133\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0c3e51365d9c4f789369f1df46ae6dfbx.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img134\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5ebcfb87b8a248d0aee2d540cd57ee17x.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img135\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se559b429a284487b961e88a0d2093631W.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img136\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4fd6eafbbcfc4dd289a15d7bfa03df1dx.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;font-size:16px;font-weight:bold;\"\u003eC2 Clear Frame\u003c\/p\u003e \n\u003cimg cke-id=\"img137\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0d9fd37a99ef479697464ed9e34b1575w.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img138\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se24b2fcbf7cc4a9daac54e4595330ce9v.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img139\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7d261bd8b1dc42baa08ce2b2a26d39bcD.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img140\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S802c71f894a343b59978640ec87d9a27C.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;font-size:16px;font-weight:bold;\"\u003eC3 Clear Grey Frame\u003c\/p\u003e \n\u003cimg cke-id=\"img141\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0efab7c3e60c44f7aa5d26c2b45fdca9D.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img142\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd40de04abb56450ba8c8e5a017f9a4ebv.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img143\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa5a33896d4c4402b83a1e51b775d4663T.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cimg cke-id=\"img144\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se9dde4cb13434399a78f39b911f73de3s.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; height: auto; vertical-align: middle;\" width=\"1200\"\u003e \n\u003cp class=\"word-break white-space mt-10\" style=\"text-align:left;font-size:16px;font-weight:bold;\"\u003eC4 Clear Brown Frame\u003c\/p\u003e \n\u003cimg cke-id=\"img145\" height=\"1200\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf55fe4b12fe9462f90b9366ce67c2449Q.jpg?width=1200\u0026amp;height=1200\u0026amp;hash=2400\" style=\"width: 100%; 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