[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"yLLEnxImo2ZmPSuVOlm9KQatjwF2_2p2um0q6tRo958":3,"wkS2Pl-LYcBMaZtkHCGqGslM5wrGea9J9xzFExQNF-k":56,"OS2_xlgrAEOPwRx8_gbi_QWEprDmr2Oaj6ClTKWmQcg":368,"NUSSB6YX2kMB8bunMiIuzKD6pwAu6XdYWImDfts163s":637,"AGgcaL0DZsDsf02OKNAmm7oZq96fOoVM8s1pbQIxCos":654,"p-bUeMkV8yYP-jinHdQiUx8_qOjF7vAl6INPP5daXRA":665},{"prismPrice":4,"recommendAccessories":5,"recipe_pd_help":12,"coupons":13,"advertising":51},39.9,{"id":6,"sku_id":7,"sku_number":8,"title":9,"pc_image":10,"wap_image":10,"sale_price":11},3082,19391,"WSGND-C1","Cleaning Kit","https://image.lensmartonline.com/2025-12-12/1765531042443668.jpg","9.95","\u003Cp>How to measure your PD (pupillary distance) at home?\u003C/p>\u003Cp> \u003C/p>\u003Cp>When buying a new pair of glasses, it is important to know your pupillary distance or PD. Your PD is the distance in millimeters between the centers of your pupils, which can make sure your lenses are optically centered. Your eye doctor should list your PD on the prescription, but you can always measure it easily at home. All you need is a ruler and a mirror.\u003C/p>\u003Cp> \u003C/p>\u003Cp>\u003Ca href=\"https://image.lensmartonline.com/pdf/us-lensmart_pd_ruler.pdf\" style=\"display: flex;background: #CA9F5B;align-items: center;padding: 4px;color: #fff;justify-content: center;\" target=\"blank\">Download the PD ruler from Lensmart;Note:Please print it on A4 paper.\u003C/a>\u003C/p>\u003Cp>Step1.\u003C/p>\u003Cp>Position yourself arm's length from your friend or yourself approximately 8 inches (20cm) away from a mirror.\u003C/p>\u003Cp>\u003Cimg alt=\"step1\" src=\"https://image.lensmartonline.com/2024-07-27/2024072744829.jpg\" style=\"width: 100%;\"/>\u003C/p>\u003Cp>Step2.\u003C/p>\u003Cp>Close your right eye and align the 0 mm over the center of your left pupil.\u003C/p>\u003Cp>\u003Cimg alt=\"step2\" src=\"https://image.lensmartonline.com/2024-07-27/2024072762862.jpg\" style=\"width: 100%;\"/>\u003C/p>\u003Cp>Step3.\u003C/p>\u003Cp>Close your left eye and note the reading directly over your right pupil. That will be your Total RD.\u003C/p>\u003Cp>\u003Cimg alt=\"step3\" src=\"https://image.lensmartonline.com/2024-07-27/2024072733964.jpg\" style=\"width: 100%;\"/>\u003C/p>\u003Cp>Step4.\u003C/p>\u003Cp>You also need to measure the distance from two pupils to the center of the nose respectively to make sure that if you have two PDs(OD & OS).\u003C/p>\u003Cp>\u003Cimg alt=\"step4\" src=\"https://image.lensmartonline.com/2022-05-07/16519158653866.png\"/>\u003C/p>",[14,26,33,40],{"id":15,"coding":16,"remarks":17,"face_value":18,"off_type":19,"use_condition":20,"effect_time":21,"end_time":22,"usd_use_condition":23,"effect_data":24,"end_date":25},199,"LC5","$5 Off Order $59","59.00",2,"5.00",1640102400,1924876800,5,"12/22/2021","12/31/2030",{"id":27,"coding":28,"remarks":29,"face_value":30,"off_type":19,"use_condition":31,"effect_time":21,"end_time":22,"usd_use_condition":32,"effect_data":24,"end_date":25},200,"LC10","$10 Off Order $89","89.00","10.00",10,{"id":34,"coding":35,"remarks":36,"face_value":37,"off_type":19,"use_condition":38,"effect_time":21,"end_time":22,"usd_use_condition":39,"effect_data":24,"end_date":25},201,"LC15","$15 Off Order $129","129.00","15.00",15,{"id":41,"coding":42,"remarks":43,"face_value":44,"off_type":19,"use_condition":45,"effect_time":46,"end_time":47,"usd_use_condition":48,"effect_data":49,"end_date":50},385,"LC20","$20 Off Order $159","159.00","20.00",1650384000,1903708800,20,"04/20/2022","04/30/2030",{"advertising_url":52,"advertising_shrink_img":53,"advertising_open_img":53,"call_shrink_img":53,"call_open_img":54,"call_advertising_url":55,"advertising_shrink_wap_img":53,"advertising_open_wap_img":53,"call_shrink_wap_img":53,"call_open_wap_img":53},"https://www.lensmartonline.com/temporary/christmas/","","https://image.lensmartonline.com/product/2026-04-16/1776322267711757.jpg","https://www.facebook.com/groups/lensmartcommunity",[57,172,253,261,268,315,354,358,361,364],{"id":58,"title":59,"url":60,"pc_img":53,"wap_img":53,"pid":61,"sort":62,"level":58,"child":63,"extra":147,"activity":168},1,"Eyeglasses","/eyeglasses/",0,11,[64,92,119],{"id":65,"title":66,"url":53,"pc_img":53,"wap_img":53,"pid":58,"sort":58,"level":19,"child":67},3,"Shop By Frame",[68,73,76,80,84,88],{"id":69,"title":70,"url":71,"pc_img":53,"wap_img":53,"pid":65,"sort":72,"level":65},4,"Cat Eye Glasses","/eyeglasses/cat-eye/",6,{"id":72,"title":74,"url":75,"pc_img":53,"wap_img":53,"pid":65,"sort":23,"level":65},"Aviator Glasses","/eyeglasses/aviator/",{"id":77,"title":78,"url":79,"pc_img":53,"wap_img":53,"pid":65,"sort":69,"level":65},13,"Round Glasses","/eyeglasses/round/",{"id":81,"title":82,"url":83,"pc_img":53,"wap_img":53,"pid":65,"sort":65,"level":65},14,"Square Glasses","/eyeglasses/square/",{"id":85,"title":86,"url":87,"pc_img":53,"wap_img":53,"pid":65,"sort":19,"level":65},40,"Rectangle Glasses","/eyeglasses/rectangle/",{"id":89,"title":90,"url":91,"pc_img":53,"wap_img":53,"pid":65,"sort":58,"level":65},16,"More Frames","/categories/glasses-frames/",{"id":93,"title":94,"url":53,"pc_img":53,"wap_img":53,"pid":58,"sort":58,"level":19,"child":95},17,"Shop By Style",[96,100,104,107,111,115],{"id":97,"title":98,"url":99,"pc_img":53,"wap_img":53,"pid":93,"sort":72,"level":65},18,"Trendy Glasses","/eyeglasses/trendy/",{"id":101,"title":102,"url":103,"pc_img":53,"wap_img":53,"pid":93,"sort":23,"level":65},19,"Vintage Glasses","/eyeglasses/vintage/",{"id":48,"title":105,"url":106,"pc_img":53,"wap_img":53,"pid":93,"sort":69,"level":65},"Cool Glasses","/eyeglasses/cool-glasses/",{"id":108,"title":109,"url":110,"pc_img":53,"wap_img":53,"pid":93,"sort":65,"level":65},21,"Cute Glasses","/eyeglasses/cute-glasses/",{"id":112,"title":113,"url":114,"pc_img":53,"wap_img":53,"pid":93,"sort":19,"level":65},41,"Hipster Glasses","/eyeglasses/hipster-glasses/",{"id":116,"title":117,"url":118,"pc_img":53,"wap_img":53,"pid":93,"sort":58,"level":65},22,"More Styles","/categories/glasses-styles/",{"id":120,"title":121,"url":53,"pc_img":53,"wap_img":53,"pid":58,"sort":58,"level":19,"child":122},23,"Featured",[123,127,131,135,139,143],{"id":124,"title":125,"url":126,"pc_img":53,"wap_img":53,"pid":120,"sort":72,"level":65},24,"Blue Light Glasses","/eyeglasses/blue-light-glasses/",{"id":128,"title":129,"url":130,"pc_img":53,"wap_img":53,"pid":120,"sort":23,"level":65},25,"Reading Glasses","/eyeglasses/reading-glasses/",{"id":132,"title":133,"url":134,"pc_img":53,"wap_img":53,"pid":120,"sort":69,"level":65},26,"Designer Glasses","/eyeglasses/designer-glasses/",{"id":136,"title":137,"url":138,"pc_img":53,"wap_img":53,"pid":120,"sort":65,"level":65},27,"Cheap Glasses","/eyeglasses/cheap-glasses/",{"id":140,"title":141,"url":142,"pc_img":53,"wap_img":53,"pid":120,"sort":19,"level":65},42,"Metal Frame Glasses","/eyeglasses/metal-frame-glasses/",{"id":144,"title":145,"url":146,"pc_img":53,"wap_img":53,"pid":120,"sort":58,"level":65},28,"Shop By Face Shape","/categories/face-shapes/",[148,153,158,163],{"id":58,"title":149,"url":60,"pc_img":150,"wap_img":151,"index_menu_id":58,"img_type":58,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"All Eyeglasses","https://image.lensmartonline.com/product/2026-04-03/1775201684267258.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055885247719.jpg",null,{"id":65,"title":154,"url":155,"pc_img":156,"wap_img":157,"index_menu_id":58,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"Women","/eyeglasses/women/","https://image.lensmartonline.com/product/2026-04-03/1775201697169361.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055899616501.jpg",{"id":19,"title":159,"url":160,"pc_img":161,"wap_img":162,"index_menu_id":58,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"Men","/eyeglasses/men/","https://image.lensmartonline.com/product/2026-04-03/1775201707901310.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055902527589.jpg",{"id":69,"title":164,"url":165,"pc_img":166,"wap_img":167,"index_menu_id":58,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"New Arrival","/activity/lensmartonline-new-arrival/","https://image.lensmartonline.com/product/2026-04-03/1775201712814831.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055887979683.jpg",{"id":132,"title":169,"url":60,"pc_img":170,"wap_img":171,"index_menu_id":58,"img_type":58,"type":19,"pcimglang":152,"wapimglang":152,"desc":53},"other","https://image.lensmartonline.com/product/2026-04-03/1775201717946626.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055916403722.jpg",{"id":19,"title":173,"url":174,"pc_img":53,"wap_img":53,"pid":61,"sort":32,"level":58,"child":175,"extra":230,"activity":250},"Sunglasses","/sunglasses/",[176,203],{"id":177,"title":66,"url":53,"pc_img":53,"wap_img":53,"pid":19,"sort":58,"level":19,"child":178},29,[179,183,187,191,195,199],{"id":180,"title":181,"url":182,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},31,"Round Sunglasses","/sunglasses/round/",{"id":184,"title":185,"url":186,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},32,"Cat Eye Sunglasses","/sunglasses/cat-eye/",{"id":188,"title":189,"url":190,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},33,"Rectangle Sunglasses","/sunglasses/rectangle/",{"id":192,"title":193,"url":194,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},34,"Aviator Sunglasses","/sunglasses/aviator/",{"id":196,"title":197,"url":198,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},35,"Square Sunglasses","/sunglasses/square/",{"id":200,"title":201,"url":202,"pc_img":53,"wap_img":53,"pid":177,"sort":58,"level":65},36,"Oval Sunglasses","/sunglasses/oval/",{"id":204,"title":94,"url":53,"pc_img":53,"wap_img":53,"pid":19,"sort":58,"level":19,"child":205},30,[206,210,214,218,222,226],{"id":207,"title":208,"url":209,"pc_img":53,"wap_img":53,"pid":204,"sort":72,"level":65},39,"Trendy Sunglasses","/sunglasses/trendy/",{"id":211,"title":212,"url":213,"pc_img":53,"wap_img":53,"pid":204,"sort":23,"level":65},38,"Vintage Sunglasses","/sunglasses/vintage/",{"id":215,"title":216,"url":217,"pc_img":53,"wap_img":53,"pid":204,"sort":69,"level":65},37,"Cool Sunglasses","/sunglasses/cool/",{"id":219,"title":220,"url":221,"pc_img":53,"wap_img":53,"pid":204,"sort":65,"level":65},43,"Oversized Sunglasses","/sunglasses/oversized/",{"id":223,"title":224,"url":225,"pc_img":53,"wap_img":53,"pid":204,"sort":19,"level":65},44,"Polarized Sunglasses","/sunglasses/polarized/",{"id":227,"title":228,"url":229,"pc_img":53,"wap_img":53,"pid":204,"sort":58,"level":65},45,"Prescription Sunglasses","/sunglasses/prescription/",[231,235,239,244],{"id":23,"title":232,"url":174,"pc_img":233,"wap_img":234,"index_menu_id":19,"img_type":58,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"All Sunglasses","https://image.lensmartonline.com/product/2026-04-02/1775114308801210.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055935425641.jpg",{"id":72,"title":154,"url":236,"pc_img":237,"wap_img":238,"index_menu_id":19,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},"/sunglasses/women/","https://image.lensmartonline.com/product/2026-04-02/1775114390731798.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055947110274.jpg",{"id":240,"title":159,"url":241,"pc_img":242,"wap_img":243,"index_menu_id":19,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},7,"/sunglasses/men/","https://image.lensmartonline.com/product/2026-04-02/1775114398876105.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055948828181.jpg",{"id":245,"title":246,"url":247,"pc_img":248,"wap_img":249,"index_menu_id":19,"img_type":19,"type":58,"pcimglang":152,"wapimglang":152,"desc":53},8,"Clip-on","/clip-on/","https://image.lensmartonline.com/product/2026-04-02/1775114405447020.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055934742305.jpg",{"id":136,"title":169,"url":174,"pc_img":251,"wap_img":252,"index_menu_id":19,"img_type":58,"type":19,"pcimglang":152,"wapimglang":152,"desc":53},"https://image.lensmartonline.com/product/2026-04-02/1775114416599803.jpg","https://image.lensmartonline.com/product/2026-05-06/1778055957731105.jpg",{"id":254,"title":255,"url":256,"pc_img":53,"wap_img":53,"pid":61,"sort":257,"level":58,"activity":258},47,"Kids' Glasses","/eyeglasses/kids/",9,{"id":144,"title":259,"url":256,"pc_img":260,"wap_img":53,"index_menu_id":254,"img_type":58,"type":19,"pcimglang":260,"wapimglang":53,"desc":53}," ","https://image.lensmartonline.com/product/2026-04-23/1776923489753555.jpg",{"id":262,"title":263,"url":264,"pc_img":53,"wap_img":265,"pid":61,"sort":245,"level":58,"activity":266},48,"Contacts","/contact-lenses/details/clalen-1-day-contact-lenses-clear-daily-18638/?bg=menu","https://image.lensmartonline.com/2025-10-14/1760428112760473.jpg",{"id":184,"title":259,"url":264,"pc_img":267,"wap_img":53,"index_menu_id":262,"img_type":58,"type":19,"pcimglang":267,"wapimglang":53,"desc":53},"https://image.lensmartonline.com/product/2026-04-23/1776923236738960.jpg",{"id":257,"title":269,"url":270,"pc_img":53,"wap_img":53,"pid":61,"sort":240,"level":58,"child":271,"activity":311},"Accessories","/accessories/",[272],{"id":273,"title":274,"url":53,"pc_img":53,"wap_img":53,"pid":257,"sort":58,"level":19,"child":275},49,"Categories",[276,281,287,293,299,305],{"id":277,"title":278,"url":270,"pc_img":279,"wap_img":280,"pid":273,"sort":72,"level":65},50,"All Accessories","https://image.lensmartonline.com/product/2026-04-03/1775202416893335.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059316759001.jpg",{"id":282,"title":283,"url":284,"pc_img":285,"wap_img":286,"pid":273,"sort":23,"level":65},51,"Chain","/accessories/chain/","https://image.lensmartonline.com/product/2026-04-02/1775115252373103.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059315937508.jpg",{"id":288,"title":289,"url":290,"pc_img":291,"wap_img":292,"pid":273,"sort":69,"level":65},52,"Ear Grip","/accessories/ear-grip/","https://image.lensmartonline.com/product/2026-04-02/1775115265272117.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059326383263.jpg",{"id":294,"title":295,"url":296,"pc_img":297,"wap_img":298,"pid":273,"sort":65,"level":65},53,"Stylish Clips","/accessories/stylish-clips/","https://image.lensmartonline.com/product/2026-04-02/1775115271401352.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059325745713.jpg",{"id":300,"title":301,"url":302,"pc_img":303,"wap_img":304,"pid":273,"sort":19,"level":65},54,"Eyeglass Case","/accessories/glasses-case-pouch/","https://image.lensmartonline.com/product/2026-04-02/1775115276374656.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059306922927.jpg",{"id":306,"title":307,"url":308,"pc_img":309,"wap_img":310,"pid":273,"sort":58,"level":65},55,"Other Accessories","/accessories/other/","https://image.lensmartonline.com/product/2026-04-21/1776735822528403.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059330978971.jpg",{"id":177,"title":312,"url":270,"pc_img":313,"wap_img":314,"index_menu_id":257,"img_type":58,"type":19,"pcimglang":152,"wapimglang":152,"desc":53},"Other","https://image.lensmartonline.com/product/2026-04-03/1775202418365461.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059338334483.jpg",{"id":245,"title":316,"url":317,"pc_img":53,"wap_img":53,"pid":61,"sort":23,"level":58,"child":318,"activity":351},"Sports Glasses","/eyeglasses/sports-glasses/",[319],{"id":320,"title":274,"url":53,"pc_img":53,"wap_img":53,"pid":245,"sort":58,"level":19,"child":321},56,[322,327,333,339,345],{"id":323,"title":324,"url":317,"pc_img":325,"wap_img":326,"pid":320,"sort":72,"level":65},57,"All Sports Glasses","https://image.lensmartonline.com/product/2026-04-02/1775118230845818.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059484959903.jpg",{"id":328,"title":329,"url":330,"pc_img":331,"wap_img":332,"pid":320,"sort":69,"level":65},58,"Magnetic Glasses","/eyeglasses/magnetic-glasses/","https://image.lensmartonline.com/product/2026-04-02/1775118227501948.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059482904210.jpg",{"id":334,"title":335,"url":336,"pc_img":337,"wap_img":338,"pid":320,"sort":65,"level":65},59,"Cycling Glasses","/eyeglasses/cycling-glasses/","https://image.lensmartonline.com/product/2026-04-03/1775202106982479.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059493572531.jpg",{"id":340,"title":341,"url":342,"pc_img":343,"wap_img":344,"pid":320,"sort":19,"level":65},60,"Ski Goggles","/eyeglasses/ski-goggles/","https://image.lensmartonline.com/product/2026-04-03/1775202105251759.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059492835328.jpg",{"id":346,"title":347,"url":348,"pc_img":349,"wap_img":350,"pid":320,"sort":58,"level":65},61,"Swimming Goggles","/eyeglasses/swimming-goggles/","https://image.lensmartonline.com/product/2026-04-02/1775118226656917.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059480335919.jpg",{"id":204,"title":169,"url":317,"pc_img":352,"wap_img":353,"index_menu_id":245,"img_type":58,"type":19,"pcimglang":152,"wapimglang":152,"desc":53},"https://image.lensmartonline.com/product/2026-04-03/1775186630623868.jpg","https://image.lensmartonline.com/product/2026-05-06/1778059494670571.jpg",{"id":355,"title":356,"url":357,"pc_img":53,"wap_img":53,"pid":61,"sort":69,"level":58},46,"Points Mall","/point-mall/",{"id":32,"title":359,"url":360,"pc_img":53,"wap_img":53,"pid":61,"sort":65,"level":58},"Blog","/blog/",{"id":62,"title":362,"url":363,"pc_img":53,"wap_img":53,"pid":61,"sort":19,"level":58},"Order Tracking","/query-order/",{"id":365,"title":366,"url":367,"pc_img":53,"wap_img":53,"pid":61,"sort":58,"level":58},12,"Help","/feedback/",[369,455,525,575],{"id":58,"name":370,"sort":65,"create_time":371,"update_time":372,"status":58,"footer_tag":373},"Shop","2020-12-28 19:05:08","2025-02-17 11:30:43",[374,379,384,388,391,394,398,402,406,410,413,416,421,424,429,434,437,441,445,451],{"id":23,"group_id":58,"name":375,"sort":48,"url":376,"create_time":377,"update_time":378,"status":58},"Flash Sales","/activity/lensmartonline-flash-sales/","2021-01-22 17:45:39","2025-02-15 13:32:01",{"id":72,"group_id":58,"name":380,"sort":101,"url":381,"create_time":382,"update_time":383,"status":58},"Best Sellers","/activity/lensmart-best-sellers/","2021-01-22 17:45:56","2025-02-15 13:32:27",{"id":240,"group_id":58,"name":385,"sort":97,"url":165,"create_time":386,"update_time":387,"status":58},"New Arrivals","2021-01-22 17:46:38","2025-02-15 13:32:52",{"id":245,"group_id":58,"name":149,"sort":93,"url":60,"create_time":389,"update_time":390,"status":58},"2021-01-22 17:46:54","2025-02-15 13:33:50",{"id":257,"group_id":58,"name":232,"sort":89,"url":174,"create_time":392,"update_time":393,"status":58},"2021-01-22 17:47:12","2025-02-15 13:34:17",{"id":32,"group_id":58,"name":395,"sort":39,"url":247,"create_time":396,"update_time":397,"status":58},"All Clip On Sunglasses","2021-01-22 17:47:25","2025-02-15 13:34:49",{"id":399,"group_id":58,"name":269,"sort":81,"url":270,"create_time":400,"update_time":401,"status":58},102,"2024-07-09 15:14:45","2025-02-15 13:35:13",{"id":124,"group_id":58,"name":403,"sort":77,"url":160,"create_time":404,"update_time":405,"status":58},"Glasses for Men","2021-07-09 10:49:22","2025-02-15 13:35:37",{"id":144,"group_id":58,"name":407,"sort":365,"url":155,"create_time":408,"update_time":409,"status":58},"Glasses for Women","2021-10-21 13:29:37","2025-02-15 13:37:57",{"id":211,"group_id":58,"name":125,"sort":62,"url":126,"create_time":411,"update_time":412,"status":58},"2021-12-23 00:18:59","2025-02-15 13:38:53",{"id":207,"group_id":58,"name":129,"sort":32,"url":130,"create_time":414,"update_time":415,"status":58},"2021-12-23 15:35:31","2025-02-15 13:40:15",{"id":85,"group_id":58,"name":417,"sort":257,"url":418,"create_time":419,"update_time":420,"status":58},"Safety Glasses","/eyeglasses/safety-glasses/","2021-12-28 10:33:46","2025-02-15 13:41:59",{"id":112,"group_id":58,"name":137,"sort":245,"url":138,"create_time":422,"update_time":423,"status":58},"2021-12-28 10:34:02","2025-02-15 13:44:18",{"id":254,"group_id":58,"name":425,"sort":240,"url":426,"create_time":427,"update_time":428,"status":58},"Clear Glasses","/eyeglasses/clear/","2022-02-09 23:32:09","2025-02-15 13:46:37",{"id":273,"group_id":58,"name":430,"sort":72,"url":431,"create_time":432,"update_time":433,"status":58},"Rimless Glasses","/eyeglasses/rimless-glasses/","2022-04-09 09:24:33","2025-02-15 13:48:31",{"id":294,"group_id":58,"name":78,"sort":23,"url":79,"create_time":435,"update_time":436,"status":58},"2022-04-26 22:04:16","2025-02-15 13:50:48",{"id":300,"group_id":58,"name":438,"sort":69,"url":91,"create_time":439,"update_time":440,"status":58},"Glasses Frames","2022-04-30 16:01:11","2025-02-15 13:52:43",{"id":334,"group_id":58,"name":442,"sort":65,"url":118,"create_time":443,"update_time":444,"status":58},"Glasses Styles","2022-06-25 11:26:43","2025-02-15 13:54:14",{"id":446,"group_id":58,"name":447,"sort":19,"url":448,"create_time":449,"update_time":450,"status":58},99,"Colors of Frames","/categories/colors/","1970-01-01 08:00:01","2025-02-15 13:57:15",{"id":452,"group_id":58,"name":453,"sort":58,"url":146,"create_time":449,"update_time":454,"status":58},100,"Face Shapes","2025-02-15 13:58:38",{"id":69,"name":456,"sort":19,"create_time":457,"update_time":458,"status":58,"footer_tag":459},"Guides for Glasses","2021-10-22 11:52:58","2025-02-17 11:28:35",[460,465,470,475,480,485,490,495,500,505,510,515,520],{"id":461,"group_id":69,"name":462,"sort":77,"url":463,"create_time":464,"update_time":464,"status":58},103,"How to order glasses online?","/blog/eyeglasses-online-buying-guide-blog/details/how-to-buy-prescription-eyeglasses-online/","2025-03-10 13:30:03",{"id":466,"group_id":69,"name":467,"sort":365,"url":468,"create_time":469,"update_time":469,"status":58},104,"How to choose eyeglass lenses?","/blog/eyeglasses-online-buying-guide-blog/details/how-to-choose-eyeglass-lenses/","2025-03-10 13:30:47",{"id":177,"group_id":69,"name":471,"sort":62,"url":472,"create_time":473,"update_time":474,"status":58},"How to read an eye prescription?","/blog/eyeglass-guide/details/how-to-read-eye-prescription/","2021-10-22 11:54:55","2025-02-15 13:38:27",{"id":204,"group_id":69,"name":476,"sort":32,"url":477,"create_time":478,"update_time":479,"status":58},"What is normal eye sph, cyl axis?","/blog/eyeglass-basics/details/what-is-cyl-axis-sph/","2021-10-22 16:00:20","2025-02-15 13:39:51",{"id":180,"group_id":69,"name":481,"sort":257,"url":482,"create_time":483,"update_time":484,"status":58},"What face shape best suits cat eye glasses?","/blog/eyeglass-style/details/what-face-shape-best-suits-cat-eye-glasses/","2021-10-22 16:02:52","2025-02-15 13:41:37",{"id":184,"group_id":69,"name":486,"sort":245,"url":487,"create_time":488,"update_time":489,"status":58},"What face shape best suits round glasses?","/blog/eyeglass-style/details/what-face-shape-best-suits-round-glasses/","2021-10-22 16:03:19","2025-02-15 13:43:48",{"id":188,"group_id":69,"name":491,"sort":240,"url":492,"create_time":493,"update_time":494,"status":58},"What face shape best suits browline glasses?","/blog/eyeglass-basics/details/what-face-shape-best-suits-browline-frame-glasses/","2021-10-22 16:04:03","2025-02-15 13:46:11",{"id":192,"group_id":69,"name":496,"sort":72,"url":497,"create_time":498,"update_time":499,"status":58},"All types of prescription lenses explained","/blog/eyeglass-lens/details/prescription-lenses/","2021-10-22 16:04:47","2025-02-15 13:48:04",{"id":196,"group_id":69,"name":501,"sort":23,"url":502,"create_time":503,"update_time":504,"status":58},"Eyeglasses color guide","/blog/eyeglass-guide/details/eyeglasses-color-guide-what-color-fits-you-best/","2021-10-22 16:05:21","2025-02-15 13:50:21",{"id":200,"group_id":69,"name":506,"sort":69,"url":507,"create_time":508,"update_time":509,"status":58},"The best glasses for long faces","/blog/eyeglass-basics/details/the-best-glasses-for-long-faces/","2021-10-22 16:05:51","2025-02-15 13:52:13",{"id":215,"group_id":69,"name":511,"sort":65,"url":512,"create_time":513,"update_time":514,"status":58},"The best glasses for small faces","/blog/eyeglass-basics/details/the-best-glasses-for-small-faces/","2021-10-22 18:30:20","2025-02-15 13:53:13",{"id":306,"group_id":69,"name":516,"sort":19,"url":517,"create_time":518,"update_time":519,"status":58},"The best glasses for big nose","/blog/eyeglass-basics/details/glasses-for-big-nose/","2022-05-20 09:48:42","2025-02-15 13:56:09",{"id":320,"group_id":69,"name":521,"sort":19,"url":522,"create_time":523,"update_time":524,"status":58},"Nose pads for glasses","/blog/eyeglass-basics/details/nose-pads-for-glasses/","2022-05-20 09:49:33","2025-02-15 13:56:46",{"id":19,"name":526,"sort":58,"create_time":527,"update_time":528,"status":58,"footer_tag":529},"Guides for Lenses","2020-12-28 19:06:08","2025-02-17 11:29:28",[530,535,540,545,550,555,560,565,570],{"id":62,"group_id":19,"name":531,"sort":257,"url":532,"create_time":533,"update_time":534,"status":58},"All types of lenses","/categories/glasses-lenses/","2021-01-22 17:49:03","2025-02-15 13:40:41",{"id":365,"group_id":19,"name":536,"sort":245,"url":537,"create_time":538,"update_time":539,"status":58},"Transition lenses","/blog/eyeglass-lens/details/transition-lenses-problems-you-should-know/","2021-01-22 17:50:52","2025-02-15 13:42:40",{"id":77,"group_id":19,"name":541,"sort":240,"url":542,"create_time":543,"update_time":544,"status":58},"Anti fatigue lenses","/blog/eyeglass-lens/details/anti-fatigue-lenses/","2021-01-22 17:52:37","2025-02-15 13:45:07",{"id":81,"group_id":19,"name":546,"sort":72,"url":547,"create_time":548,"update_time":549,"status":58},"Lenticular lenses","/blog/eyeglass-lens/details/lenticular-lenses/","2021-01-22 17:53:35","2025-02-15 13:47:05",{"id":39,"group_id":19,"name":551,"sort":23,"url":552,"create_time":553,"update_time":554,"status":58},"Bifocal lenses","/blog/eyeglass-lens/details/pros-and-cons-of-bifocal-lenses/","2021-01-22 17:55:30","2025-02-15 13:49:00",{"id":132,"group_id":19,"name":556,"sort":69,"url":557,"create_time":558,"update_time":559,"status":58},"Progressive lenses","/blog/eyeglass-lens/details/pros-and-cons-of-progressive-lenses/","2021-10-20 09:58:13","2025-02-15 13:51:45",{"id":140,"group_id":19,"name":561,"sort":65,"url":562,"create_time":563,"update_time":564,"status":58},"Polycarbonate lenses","/blog/eyeglass-lens/details/pros-and-cons-of-polycarbonate-lenses/","2021-12-29 22:03:59","2025-02-15 13:53:50",{"id":219,"group_id":19,"name":566,"sort":19,"url":567,"create_time":568,"update_time":569,"status":58},"High index lenses","/blog/eyeglass-lens/details/pros-and-cons-of-high-index-lenses/","2021-12-29 22:09:39","2025-02-15 13:55:43",{"id":223,"group_id":19,"name":571,"sort":58,"url":572,"create_time":573,"update_time":574,"status":58},"Single vision lenses vs Multifocal lenses","/blog/eyeglass-lens/details/single-vision-lenses-vs-multifocal-lenses/","2022-01-02 16:32:44","2025-08-11 11:50:43",{"id":65,"name":576,"sort":61,"create_time":577,"update_time":578,"status":58,"footer_tag":579},"About ","2021-01-29 09:11:25","2025-02-17 11:29:01",[580,585,591,596,601,606,611,616,621,627,631],{"id":89,"group_id":65,"name":581,"sort":365,"url":582,"create_time":583,"update_time":584,"status":58},"About us","/about/about-us/","2021-01-29 09:12:33","2025-02-15 13:37:30",{"id":586,"group_id":65,"name":587,"sort":62,"url":588,"create_time":589,"update_time":590,"status":58},65,"Affiliate Program","/affiliate-program/","2023-06-21 09:11:46","2025-02-15 13:39:22",{"id":93,"group_id":65,"name":592,"sort":257,"url":593,"create_time":594,"update_time":595,"status":58},"Refund & Returns Policy","/about/return-policy/","2021-01-29 09:14:57","2025-02-15 13:41:09",{"id":97,"group_id":65,"name":597,"sort":245,"url":598,"create_time":599,"update_time":600,"status":58},"Privacy Policy","/about/privacy-policy/","2021-01-29 09:16:15","2025-02-15 13:43:24",{"id":101,"group_id":65,"name":602,"sort":240,"url":603,"create_time":604,"update_time":605,"status":58},"Contact & Help Center","/helpcenter/","2021-01-29 09:17:20","2025-02-15 13:45:47",{"id":108,"group_id":65,"name":607,"sort":72,"url":608,"create_time":609,"update_time":610,"status":58},"Shipping Policy","/about/shipping-policy/","2021-03-26 10:22:41","2025-02-15 13:47:34",{"id":116,"group_id":65,"name":612,"sort":23,"url":613,"create_time":614,"update_time":615,"status":58},"Terms & Conditions","/about/terms-conditions/","2021-03-26 11:01:54","2025-02-15 13:49:55",{"id":120,"group_id":65,"name":617,"sort":69,"url":618,"create_time":619,"update_time":620,"status":58},"Intellectual Property Rights","/about/intellectual-property-rights/","2021-03-26 11:14:23","2025-02-15 13:51:18",{"id":622,"group_id":65,"name":623,"sort":65,"url":624,"create_time":625,"update_time":626,"status":58},80,"Learning Hub","/categories/learning-hub/","2021-07-09 11:32:18","2025-02-15 13:54:50",{"id":128,"group_id":65,"name":628,"sort":19,"url":629,"create_time":625,"update_time":630,"status":58},"FAQ","/about/faq/","2025-02-15 13:55:18",{"id":632,"group_id":65,"name":633,"sort":58,"url":634,"create_time":635,"update_time":636,"status":58},64,"Press","/press/","2022-09-05 18:48:40","2025-02-15 13:58:15",{"type":638,"list":643,"url":653},{"p_type":639,"pp_type":642},{"id":192,"title":640,"pid":61,"head_title":53,"head_description":53,"head_keywords":53,"url_title":641,"list_title":152,"list_comment":53,"pc_img":53,"wap_img":53},"Glasses Choosing & Lifestyle Guides","glasses-lifestyle-guides",{"id":196,"title":640,"pid":192,"head_title":53,"head_description":53,"head_keywords":53,"url_title":641,"list_title":53,"list_comment":53,"pc_img":53,"wap_img":53},{"id":644,"type_id":196,"sort":61,"desc":645,"title":646,"img_alt":646,"img":647,"f_title":152,"url_title":648,"label":53,"author":53,"content":649,"head_title":650,"head_description":645,"head_keywords":53,"create_time":651,"status":58,"is_tj":61,"desclang":652,"head_canonical":53,"author_id":61,"author_img":53,"author_role":53,"author_content":53},559,"This article clarifies how blue light blocking glasses impact sleep. Understand which lens tints truly aid melatonin production and improve your sleep cycle, debunking common myths.","Can Blue Light Blocking Glasses Help Regulate Your Sleep Cycle?","https://image.lensmartonline.com/2025-12-11/1765454501682096.png","blue-light-glasses-sleep-cycle","\u003Ch2 style=\"margin: 30px 0 20px 0\">TL;DR: The Short Answer\u003C/h2>\n\u003Cp>Yes, blue light blocking glasses can be a highly effective tool for helping to regulate your sleep cycle, but there’s a critical catch: you have to use the right kind. Amber or orange-tinted lenses worn in the evening are scientifically shown to help your brain produce melatonin, the hormone that signals it's time for sleep. However, the clear \"computer glasses\" marketed for all-day wear are not effective for this purpose.\u003C/p>\n\u003Cp>Crucially, these glasses do not prevent digital eye strain. That feeling of tired, gritty eyes after hours on a screen is caused by reduced blinking and focusing fatigue, not blue light itself. For eye strain, the best solution remains the simple \"20-20-20\" rule.\u003C/p>\n\u003Chr/>\n\u003Ch2 style=\"margin: 30px 0 20px 0\">The Science of Light and Sleep: Your Body's Internal Clock\u003C/h2>\n\u003Cp>Have you ever found yourself scrolling through your phone in bed, only to lie awake for an hour afterward, wondering why you can’t just drift off? You’re not alone. The culprit may be the very light emitting from your screen. To understand how, we need to look at the powerful connection between light, your brain, and your body's natural sleep rhythm.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">Meet Melatonin: The \"Hormone of Darkness\"\u003C/h3>\n\u003Cp>Deep within your brain is the pineal gland, a tiny organ responsible for managing your sleep-wake cycle. As darkness falls, it begins to produce a hormone called melatonin. Melatonin travels through your bloodstream, telling every cell in your body that it's time to wind down and prepare for sleep. It doesn’t force you to sleep, but it creates the ideal conditions for rest.\u003C/p>\n\u003Cp>Think of it as the starting pistol for a race to slumber. Without enough melatonin, your body never gets the \"go\" signal, leaving you feeling alert and awake when you should be getting tired.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">How Blue Light Disrupts Your Sleep\u003C/h3>\n\u003Cp>Not all light is the same. Sunlight contains a full spectrum of colors, including red, green, and blue. During the day, the blue light portion of this spectrum is beneficial. It boosts alertness, reaction times, and mood. Your body interprets it as a signal to be awake and active.\u003C/p>\n\u003Cp>\u003Cimg alt=\"A person wearing amber-tinted blue light blocking glasses while using a tablet in bed before sleep, looking relaxed.\" src=\"https://image.lensmartonline.com/f8564202512112001477648.png?imageView2/2/interlace/1/ignore-error/1/format/webp\" style=\"width: auto; height: auto; display: block; margin: 1rem auto;\"/>\u003C/p>\n\u003Cp>The problem arises after sunset. Our devices—phones, tablets, laptops, and LED lighting—emit a high concentration of blue light. When your eyes are exposed to this light in the evening, it sends a confusing message to your brain. It essentially tricks your body into thinking it's still daytime, causing the pineal gland to suppress melatonin production. According to research published by \u003Ca href=\"https://www.health.harvard.edu/blog/can-blue-light-blocking-glasses-improve-your-sleep-202110262625\" rel=\"nofollow\">Harvard Health\u003C/a>, light in the blue-wavelength spectrum is a potent suppressor of melatonin. By blocking this specific light, particularly in the 450–480 nm range, we can prevent this suppression and allow our sleep cycle to proceed naturally.\u003C/p>\n\u003Ch2 style=\"margin: 30px 0 20px 0\">The Great Debate: Do Blue Light Glasses Actually Work?\u003C/h2>\n\u003Cp>The market is flooded with claims about blue light blocking glasses, and it's easy to get confused. They're often promoted as a cure-all for screen-related discomforts. Here, we separate the scientific evidence from the marketing myths.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">Myth Debunked: They Won't Cure Digital Eye Strain\u003C/h3>\n\u003Cp>A common myth is that blue light from screens is what makes your eyes feel tired and strained. In reality, the evidence points elsewhere. According to ophthalmologist Dr. Nicole Bajic in an article for the \u003Ca href=\"https://health.clevelandclinic.org/do-blue-light-blocking-glasses-actually-work\" rel=\"nofollow\">Cleveland Clinic\u003C/a>, digital eye strain is primarily caused by how we use our screens, not the light they emit. We blink less, which leads to dry, gritty eyes, and we stare at a fixed distance for long periods, which fatigues our eye muscles.\u003C/p>\n\u003Cp>This is confirmed by rigorous scientific testing. A double-blind randomized controlled trial published in PubMed by \u003Ca href=\"https://pubmed.ncbi.nlm.nih.gov/32007978/\" rel=\"nofollow\">Rosenfield et al.\u003C/a> found no significant difference in eye strain symptoms between participants wearing blue-blocking lenses and those wearing placebo lenses. The most effective way to combat digital eye strain is to give your eyes a break using the \u003Cstrong>20-20-20 rule\u003C/strong>: Every 20 minutes, look at something 20 feet away for at least 20 seconds.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">The Real, Proven Benefit: A Tool for Better Sleep\u003C/h3>\n\u003Cp>Where these glasses truly shine is in their ability to help regulate your sleep cycle. By filtering out the specific wavelengths of blue light that suppress melatonin, they allow your body's natural sleep processes to function as intended, even if you're using a screen before bed.\u003C/p>\n\u003Cp>A systematic review of 16 studies published in PubMed by \u003Ca href=\"https://pubmed.ncbi.nlm.nih.gov/34030534/\" rel=\"nofollow\">Hester et al.\u003C/a> found \"substantial evidence\" that wearing blue light blocking glasses in the evening reduces the time it takes to fall asleep, particularly for people with insomnia or jet lag. While individual results vary, some studies suggest they can shorten sleep onset by 8-15 minutes and potentially increase total sleep time.\u003C/p>\n\u003Cp>Think of them not as a magic pill for insomnia, but as a powerful tool to support your natural circadian rhythm in a modern, screen-filled world.\u003C/p>\n\u003Ch2 style=\"margin: 30px 0 20px 0\">A Practical Guide to Choosing and Using Sleep Glasses\u003C/h2>\n\u003Cp>Simply buying any pair of \"blue light glasses\" won't guarantee results. Effectiveness comes down to two factors: the type of lens and when you wear them.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">Not All Lenses Are Created Equal: Clear vs. Amber\u003C/h3>\n\u003Cp>The most important factor is how much blue light the lenses actually filter. This is where the distinction between daytime and nighttime lenses becomes critical.\u003C/p>\n\u003Cp>\u003Cimg alt=\"A diagram comparing a clear blue light lens and an amber blue light lens, showing how much blue light each one blocks from a light spectrum.\" src=\"https://image.lensmartonline.com/71768202512112001449504.png?imageView2/2/interlace/1/ignore-error/1/format/webp\" style=\"width: auto; height: auto; display: block; margin: 1rem auto;\"/>\u003C/p>\n\u003Cdiv style=\"width: 100%; overflow-x: auto;\">\u003Ctable style=\"border-collapse: collapse; width: 100%;\">\n\u003Cthead>\n\u003Ctr>\n\u003Cth style=\"border: 1px solid #000; padding: 8px 12px; background-color: #f5f5f5; text-align: left;\">Lens Type\u003C/th>\n\u003Cth style=\"border: 1px solid #000; padding: 8px 12px; background-color: #f5f5f5; text-align: left;\">Blue Light Filtration\u003C/th>\n\u003Cth style=\"border: 1px solid #000; padding: 8px 12px; background-color: #f5f5f5; text-align: left;\">Best For\u003C/th>\n\u003Cth style=\"border: 1px solid #000; padding: 8px 12px; background-color: #f5f5f5; text-align: left;\">How It Works\u003C/th>\n\u003C/tr>\n\u003C/thead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">\u003Cstrong>Daytime Lenses (Clear)\u003C/strong>\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">Low (~10–40%)\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">Reducing glare, daytime screen comfort\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">These lenses have a coating that filters a small amount of the highest-energy blue-violet light. They are designed to make screen use more comfortable for some people without distorting color perception. They do not block enough blue light to significantly impact melatonin.\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">\u003Cstrong>Nighttime Lenses (Amber/Orange)\u003C/strong>\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">High (>85–95%)\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">Regulating your sleep cycle\u003C/td>\n\u003Ctd style=\"border: 1px solid #000; padding: 8px 12px;\">These lenses are visibly tinted and designed to block nearly all blue and some green light. This strong filtration is necessary to prevent melatonin suppression and signal to your brain that it's time to prepare for sleep.\u003C/td>\n\u003C/tr>\n\u003C/tbody>\n\u003C/table>\u003C/div>\n\u003Cp>For sleep regulation, you must use amber or orange-tinted lenses. The clear lenses sold as \"computer glasses\" are intended for reducing subjective glare during the day and are not strong enough to protect your melatonin production at night.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">The \"When and How\" Protocol for Maximum Effect\u003C/h3>\n\u003Cp>To get the full benefit of your sleep glasses, follow this simple protocol:\u003C/p>\n\u003Col>\n\u003Cli>\n\u003Cstrong>Timing is Everything.\u003C/strong> Start wearing your amber-tinted glasses 2 to 3 hours before your intended bedtime. This gives your brain ample time to start producing melatonin without interruption.\u003C/li>\n\u003Cli>\n\u003Cstrong>Consistency is Key.\u003C/strong> Make it part of your nightly wind-down routine. The more consistent you are, the more you reinforce a healthy sleep-wake cycle.\u003C/li>\n\u003Cli>\n\u003Cstrong>Reserve Them for Evening Use.\u003C/strong> Avoid wearing heavily tinted amber lenses during the day. As noted by chronobiology expert Dr. Gianluca Tosini in a review for the \u003Ca href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC8897255/\" rel=\"nofollow\">National Institutes of Health\u003C/a>, blue light exposure during the day is essential for alertness and mood.\u003C/li>\n\u003Cli>\n\u003Cstrong>Ensure a Proper Fit.\u003C/strong> While the lens technology is key, a poor fit can cause its own problems. Headaches or eye strain from new glasses are often caused by an incorrect Pupillary Distance (PD)—the measurement between your pupils. Ensure your PD is measured accurately to avoid discomfort.\u003C/li>\n\u003C/ol>\n\u003Ch2 style=\"margin: 30px 0 20px 0\">Wrapping Up: Your Key Takeaways\u003C/h2>\n\u003Cp>Blue light blocking glasses are a science-backed tool, but they are a specialized one. They are for managing your sleep cycle, not for preventing eye strain.\u003C/p>\n\u003Cul>\n\u003Cli>\n\u003Cstrong>For Better Sleep:\u003C/strong> Use amber or orange-tinted lenses for 2-3 hours before bed to block the blue light that suppresses melatonin.\u003C/li>\n\u003Cli>\n\u003Cstrong>For Eye Strain:\u003C/strong> Use the 20-20-20 rule and lubricating eye drops to combat dryness and muscle fatigue.\u003C/li>\n\u003Cli>\n\u003Cstrong>Choose Wisely:\u003C/strong> Understand that clear \"computer glasses\" and amber \"sleep glasses\" are two different products for two different purposes.\u003C/li>\n\u003C/ul>\n\u003Cp>By using the right tool for the job, you can take control of your sleep schedule and enjoy more restful nights.\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">Frequently Asked Questions (FAQ)\u003C/h3>\n\u003Cp>\u003Cstrong>1. Can't I just use my phone's \"night mode\" setting?\u003C/strong>\nNight mode is a good first step, as it reduces the amount of blue light from your phone screen. However, it doesn't block all of it, and it does nothing to protect you from other sources of light in your home, like your television, laptop, or LED light bulbs. Amber glasses provide more comprehensive protection.\u003C/p>\n\u003Cp>\u003Cstrong>2. Are blue light blocking glasses safe for children?\u003C/strong>\nThis is an area where caution is advised. Some research, like a theoretical model from the \u003Ca href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC12009466/\" rel=\"nofollow\">Mayo Clinic\u003C/a>, suggests that altering the light spectrum a child is exposed to \u003Cem>could\u003C/em> potentially interfere with normal eye development. For this reason, it's best to focus on limiting screen time before bed for children and consult with an optometrist or ophthalmologist before considering blue light blocking glasses for them.\u003C/p>\n\u003Cp>\u003Cstrong>3. Will I feel the effects on the very first night?\u003C/strong>\nYou might. Many people report feeling sleepier earlier when they start using amber lenses. Interestingly, one study found that while participants \u003Cem>felt\u003C/em> they slept better, objective sleep tracker data didn't always show a major change at first. The most significant benefits come from consistent, long-term use as you establish a healthier circadian rhythm.\u003C/p>\n\u003Chr/>\n\u003Cp>\u003Cem>\u003Cstrong>Disclaimer:\u003C/strong>\u003C/em> \u003Cem>This article is for informational purposes only and does not constitute professional medical advice. The information provided should not be used for diagnosing or treating a health problem or disease. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read in this article.\u003C/em>\u003C/p>\n\u003Ch3 style=\"margin: 15px 0 10px 0\">References\u003C/h3>\n\u003Cul>\n\u003Cli>\u003Ca href=\"https://www.health.harvard.edu/blog/can-blue-light-blocking-glasses-improve-your-sleep-202110262625\" rel=\"nofollow\">Harvard Health Publishing: Can blue light blocking glasses improve your sleep?\u003C/a>\u003C/li>\n\u003Cli>\u003Ca href=\"https://health.clevelandclinic.org/do-blue-light-blocking-glasses-actually-work\" rel=\"nofollow\">Cleveland Clinic: Do Blue Light–Blocking Glasses Actually Work?\u003C/a>\u003C/li>\n\u003Cli>\u003Ca href=\"https://pubmed.ncbi.nlm.nih.gov/32007978/\" rel=\"nofollow\">PubMed (Rosenfield et al.): Blue-blocking filters and digital eye strain\u003C/a>\u003C/li>\n\u003Cli>\u003Ca href=\"https://pubmed.ncbi.nlm.nih.gov/34030534/\" rel=\"nofollow\">PubMed (Hester et al.): The Effect of Blue-Blocking Glasses on Sleep, Mood, and Cognition\u003C/a>\u003C/li>\n\u003Cli>\u003Ca href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC8897255/\" rel=\"nofollow\">PMC (Tosini): Blue light, not a toxin but a signal\u003C/a>\u003C/li>\n\u003Cli>\u003Ca href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC12009466/\" rel=\"nofollow\">PMC (Ostovari et al.): Pediatric Risk Model\u003C/a>\u003C/li>\n\u003C/ul>\n","Blue Light Blocking Glasses for Sleep: Do They Work?","2025-12-11 20:01:48","{\"en\":\"This article clarifies how blue light blocking glasses impact sleep. Understand which lens tints truly aid melatonin production and improve your sleep cycle, debunking common myths.\",\"fr\":\"\",\"es\":\"\",\"de\":\"\",\"hu\":\"\",\"pt\":\"\",\"sk\":\"\"}","/glasses-lifestyle-guides/details/blue-light-glasses-sleep-cycle/",{"history_search_list":655,"top_search_list":656},[],[657,658,659,660,661,662,663,664],"Frode","Carley","Lyric","Sarah","Kathi","Nevaeh","Nicy","Behati",[666,727,794,840,897,950],{"id":667,"title":668,"subtitle":669,"category_id":670,"label":671,"type_id":69,"sale_price":673,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":675,"collect":61,"market_price":691,"sku":692,"url_data":724},2227,"Graciela","Trendy Rectangle Glasses for Women","100,165,104,106,107,108,109,110,111,267,325,340",[672],"33% OFF","19.95","0.00",{"color":676},[677,682,687],{"id":678,"title":679,"title_en":679,"images":680,"main_color_id":681},706,"Gradient-Rose/Violet","https://image.lensmartonline.com/2023-08-10/16916468999120.png",579,{"id":683,"title":684,"title_en":684,"images":685,"main_color_id":686},1149,"Wine","https://image.lensmartonline.com/2023-08-29/16932865235996.png",575,{"id":277,"title":688,"title_en":688,"images":689,"main_color_id":690},"Black","https://image.lensmartonline.com/2021-11-01/16357491664117.jpg",580,"29.95",[693,704,714],{"id":694,"goods_id":667,"sku_text":695,"sale_price":673,"market_price":691,"stock":77,"number":696,"multiple":697,"index_img":53,"f_title":700,"rank":65,"sku_size_text":701,"sku_color_id":678,"sku_color_text":679,"overstep_number":61,"main_color_id":681,"status":58,"url":702,"absolute_url":703},16906,"Size:Medium；Color:Gradient-Rose/Violet","1012-C66A",[698,699],"https://image.lensmartonline.com/2025-05-07/1746607982152668.jpg","https://image.lensmartonline.com/2025-05-07/1746607983190951.jpg","Rectangle Purple Glasses for Women","Medium","graciela-rectangle-purple-16906","/eyeglasses/frames/graciela-rectangle-purple-16906/",{"id":705,"goods_id":667,"sku_text":706,"sale_price":673,"market_price":691,"stock":196,"number":707,"multiple":708,"index_img":53,"f_title":711,"rank":19,"sku_size_text":701,"sku_color_id":683,"sku_color_text":684,"overstep_number":61,"main_color_id":686,"status":58,"url":712,"absolute_url":713},16905,"Size:Medium；Color:Wine","1012-C11A",[709,710],"https://image.lensmartonline.com/2025-05-07/1746607979601220.jpg","https://image.lensmartonline.com/2025-05-07/1746607980735995.jpg","Rectangle Red Glasses for Women","graciela-rectangle-red-16905","/eyeglasses/frames/graciela-rectangle-red-16905/",{"id":715,"goods_id":667,"sku_text":716,"sale_price":673,"market_price":691,"stock":365,"number":717,"multiple":718,"index_img":53,"f_title":721,"rank":58,"sku_size_text":701,"sku_color_id":277,"sku_color_text":688,"overstep_number":61,"main_color_id":690,"status":58,"url":722,"absolute_url":723},16904,"Size:Medium；Color:Black","1012-C1",[719,720],"https://image.lensmartonline.com/2025-05-07/1746607975681977.jpg","https://image.lensmartonline.com/2025-05-07/1746607977958204.jpg","Rectangle Black Glasses for Women","graciela-rectangle-black-16904","/eyeglasses/frames/graciela-rectangle-black-16904/",{"shape_title":725,"type_title":726},"rectangle","eyeglasses",{"id":728,"title":729,"subtitle":730,"category_id":731,"label":732,"type_id":69,"sale_price":673,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":733,"collect":61,"market_price":691,"sku":751,"url_data":793},3092,"Nawfal","Trendy Rectangle Glasses for Women and Men","100,165,166,104,106,107,108,109,110,111",[672],{"color":734},[735,736,741,746],{"id":277,"title":688,"title_en":688,"images":689,"main_color_id":690},{"id":737,"title":738,"title_en":738,"images":739,"main_color_id":740},690,"Gradient-Grey","https://image.lensmartonline.com/2023-08-10/16916371982766.png",587,{"id":742,"title":743,"title_en":743,"images":744,"main_color_id":745},797,"Gradient-Tawny","https://image.lensmartonline.com/2023-08-14/16919982711162.png",583,{"id":747,"title":748,"title_en":748,"images":749,"main_color_id":750},1306,"Orange-Tortoiseshell","https://image.lensmartonline.com/2023-09-02/16936357795949.png",586,[752,763,773,783],{"id":753,"goods_id":728,"sku_text":754,"sale_price":673,"market_price":691,"stock":62,"number":755,"multiple":756,"index_img":53,"f_title":759,"rank":69,"sku_size_text":760,"sku_color_id":277,"sku_color_text":688,"overstep_number":61,"main_color_id":690,"status":58,"url":761,"absolute_url":762},19431,"Size:Large；Color:Black","2267-C1",[757,758],"https://image.lensmartonline.com/2025-12-15/1765778056183873.jpg","https://image.lensmartonline.com/2025-12-15/1765778057693402.jpg","Rectangle Black Glasses for Men and Women","Large","nawfal-rectangle-black-19431","/eyeglasses/frames/nawfal-rectangle-black-19431/",{"id":764,"goods_id":728,"sku_text":765,"sale_price":673,"market_price":691,"stock":136,"number":766,"multiple":767,"index_img":53,"f_title":770,"rank":65,"sku_size_text":760,"sku_color_id":737,"sku_color_text":738,"overstep_number":61,"main_color_id":740,"status":58,"url":771,"absolute_url":772},19434,"Size:Large；Color:Gradient-Grey","2267-C6",[768,769],"https://image.lensmartonline.com/2025-12-15/1765778099914716.jpg","https://image.lensmartonline.com/2025-12-15/1765778100421167.jpg","Rectangle Grey Glasses for Men and Women","nawfal-rectangle-grey-19434","/eyeglasses/frames/nawfal-rectangle-grey-19434/",{"id":774,"goods_id":728,"sku_text":775,"sale_price":673,"market_price":691,"stock":32,"number":776,"multiple":777,"index_img":53,"f_title":780,"rank":19,"sku_size_text":760,"sku_color_id":742,"sku_color_text":743,"overstep_number":61,"main_color_id":745,"status":58,"url":781,"absolute_url":782},19433,"Size:Large；Color:Gradient-Tawny","2267-C5",[778,779],"https://image.lensmartonline.com/2025-12-15/1765778097309697.jpg","https://image.lensmartonline.com/2025-12-15/1765778095538152.jpg","Rectangle Brown Glasses for Men and Women","nawfal-rectangle-brown-19433","/eyeglasses/frames/nawfal-rectangle-brown-19433/",{"id":784,"goods_id":728,"sku_text":785,"sale_price":673,"market_price":691,"stock":257,"number":786,"multiple":787,"index_img":53,"f_title":790,"rank":58,"sku_size_text":760,"sku_color_id":747,"sku_color_text":748,"overstep_number":61,"main_color_id":750,"status":58,"url":791,"absolute_url":792},19432,"Size:Large；Color:Orange-Tortoiseshell","2267-C3",[788,789],"https://image.lensmartonline.com/2025-12-15/1765778061536387.jpg","https://image.lensmartonline.com/2025-12-15/1765778062811814.jpg","Rectangle Tortoiseshell Glasses for Men and Women","nawfal-rectangle-tortoiseshell-19432","/eyeglasses/frames/nawfal-rectangle-tortoiseshell-19432/",{"shape_title":725,"type_title":726},{"id":795,"title":796,"subtitle":730,"category_id":731,"label":797,"type_id":69,"sale_price":798,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":799,"collect":61,"market_price":810,"sku":811,"url_data":839},3340,"Fletcher",[672],"21.95",{"color":800},[801,802,806],{"id":277,"title":688,"title_en":688,"images":689,"main_color_id":690},{"id":803,"title":804,"title_en":804,"images":805,"main_color_id":745},1026,"Brown","https://image.lensmartonline.com/2023-08-22/16926748093802.png",{"id":807,"title":808,"title_en":808,"images":809,"main_color_id":750},1103,"Tortoiseshell","https://image.lensmartonline.com/2023-08-25/16929351033450.png","32.95",[812,820,829],{"id":813,"goods_id":795,"sku_text":716,"sale_price":798,"market_price":810,"stock":116,"number":814,"multiple":815,"index_img":53,"f_title":759,"rank":19,"sku_size_text":701,"sku_color_id":277,"sku_color_text":688,"overstep_number":61,"main_color_id":690,"status":58,"url":818,"absolute_url":819},20240,"W72389-C1",[816,817],"https://image.lensmartonline.com/product/2026-03-25/1774409303396142.jpg","https://image.lensmartonline.com/product/2026-03-25/1774409304769340.jpg","fletcher-rectangle-black-20240","/eyeglasses/frames/fletcher-rectangle-black-20240/",{"id":821,"goods_id":795,"sku_text":822,"sale_price":798,"market_price":810,"stock":132,"number":823,"multiple":824,"index_img":53,"f_title":780,"rank":58,"sku_size_text":701,"sku_color_id":803,"sku_color_text":804,"overstep_number":61,"main_color_id":745,"status":58,"url":827,"absolute_url":828},20241,"Size:Medium；Color:Brown","W72389-C4",[825,826],"https://image.lensmartonline.com/product/2026-03-25/1774409307200331.jpg","https://image.lensmartonline.com/product/2026-03-25/1774409308242088.jpg","fletcher-rectangle-brown-20241","/eyeglasses/frames/fletcher-rectangle-brown-20241/",{"id":830,"goods_id":795,"sku_text":831,"sale_price":798,"market_price":810,"stock":132,"number":832,"multiple":833,"index_img":53,"f_title":790,"rank":836,"sku_size_text":701,"sku_color_id":807,"sku_color_text":808,"overstep_number":61,"main_color_id":750,"status":58,"url":837,"absolute_url":838},20242,"Size:Medium；Color:Tortoiseshell","W72389-C5",[834,835],"https://image.lensmartonline.com/product/2026-03-25/1774409310858789.jpg","https://image.lensmartonline.com/product/2026-03-25/1774409311443228.jpg",-3,"fletcher-rectangle-tortoiseshell-20242","/eyeglasses/frames/fletcher-rectangle-tortoiseshell-20242/",{"shape_title":725,"type_title":726},{"id":841,"title":842,"subtitle":843,"category_id":844,"label":845,"type_id":23,"sale_price":847,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":848,"collect":61,"market_price":861,"sku":862,"url_data":894},3404,"Vikram","Trendy Square Sunglasses for Women and Men","168,123,125,127,169",[846],"NEW","16.95",{"color":849},[850,853,857],{"id":306,"title":851,"title_en":851,"images":852,"main_color_id":740},"Grey/Grey","https://image.lensmartonline.com/2021-11-01/16357490918322.jpg",{"id":854,"title":855,"title_en":855,"images":856,"main_color_id":690},1342,"Black/Grey","https://image.lensmartonline.com/2023-09-04/16937968347836.png",{"id":858,"title":859,"title_en":859,"images":860,"main_color_id":745},191,"Black/Brown","https://image.lensmartonline.com/2021-11-01/16357491121814.jpg","26.95",[863,873,884],{"id":864,"goods_id":841,"sku_text":865,"sale_price":847,"market_price":861,"stock":32,"number":866,"multiple":867,"index_img":53,"f_title":870,"rank":58,"sku_size_text":760,"sku_color_id":306,"sku_color_text":851,"overstep_number":61,"main_color_id":740,"status":58,"url":871,"absolute_url":872},20443,"Size:Large；Color:Grey/Grey","820876-C4",[868,869],"https://image.lensmartonline.com/product/2026-04-29/1777430608568806.jpg","https://image.lensmartonline.com/product/2026-04-29/1777430610645047.jpg","Round Grey Sunglasses for Men and Women","vikram-round-grey-20443","/sunglasses/frames/vikram-round-grey-20443/",{"id":874,"goods_id":841,"sku_text":875,"sale_price":847,"market_price":861,"stock":61,"number":876,"multiple":877,"index_img":53,"f_title":880,"rank":881,"sku_size_text":760,"sku_color_id":854,"sku_color_text":855,"overstep_number":61,"main_color_id":690,"status":61,"url":882,"absolute_url":883},20441,"Size:Large；Color:Black/Grey","820876-C1",[878,879],"https://image.lensmartonline.com/product/2026-04-29/1777430600526456.jpg","https://image.lensmartonline.com/product/2026-04-29/1777430602787312.jpg","Round Black Sunglasses for Men and Women",-2,"vikram-round-black-20441","/sunglasses/frames/vikram-round-black-20441/",{"id":885,"goods_id":841,"sku_text":886,"sale_price":847,"market_price":861,"stock":61,"number":887,"multiple":888,"index_img":53,"f_title":891,"rank":836,"sku_size_text":760,"sku_color_id":858,"sku_color_text":859,"overstep_number":61,"main_color_id":745,"status":61,"url":892,"absolute_url":893},20442,"Size:Large；Color:Black/Brown","820876-C1-3",[889,890],"https://image.lensmartonline.com/product/2026-04-29/1777430604421604.jpg","https://image.lensmartonline.com/product/2026-04-29/1777430605732662.jpg","Round Brown Sunglasses for Men and Women","vikram-round-brown-20442","/sunglasses/frames/vikram-round-brown-20442/",{"shape_title":895,"type_title":896},"round","sunglasses",{"id":898,"title":899,"subtitle":900,"category_id":901,"label":902,"type_id":69,"sale_price":11,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":904,"collect":61,"market_price":691,"sku":918,"url_data":948},601,"Matty","Cat-eye Eyeglasses for Women","99,106,107,108,109,110,165,173,174,175,220,259,269,272",[903],"SALE",{"color":905},[906,910,914],{"id":907,"title":908,"title_en":908,"images":909,"main_color_id":750},727,"Nude-Brown/spots","https://image.lensmartonline.com/2023-08-10/16916572871947.png",{"id":911,"title":912,"title_en":912,"images":913,"main_color_id":750},668,"Ivory-Tortoiseshell","https://image.lensmartonline.com/2023-08-08/16914788996359.png",{"id":915,"title":916,"title_en":916,"images":917,"main_color_id":745},777,"Gradient-Brown","https://image.lensmartonline.com/2023-08-14/16919930191280.png",[919,929,938],{"id":920,"goods_id":898,"sku_text":921,"sale_price":11,"market_price":691,"stock":140,"number":922,"multiple":923,"index_img":53,"f_title":926,"rank":65,"sku_size_text":760,"sku_color_id":907,"sku_color_text":908,"overstep_number":61,"main_color_id":750,"status":58,"url":927,"absolute_url":928},11746,"Size:Large；Color:Nude-Brown/spots","395-C7",[924,925],"https://image.lensmartonline.com/2022-03-11/16469802266075.jpg","https://image.lensmartonline.com/product/2026-03-25/1774410009869891.jpg","Cat-eye Tortoiseshell Glasses for Women","matty-cat-eye-tortoiseshell-11746","/eyeglasses/frames/matty-cat-eye-tortoiseshell-11746/",{"id":930,"goods_id":898,"sku_text":931,"sale_price":11,"market_price":691,"stock":32,"number":932,"multiple":933,"index_img":53,"f_title":926,"rank":19,"sku_size_text":760,"sku_color_id":911,"sku_color_text":912,"overstep_number":61,"main_color_id":750,"status":58,"url":936,"absolute_url":937},11745,"Size:Large；Color:Ivory-Tortoiseshell","395-C4",[934,935],"https://image.lensmartonline.com/2022-07-06/16570901639345.jpg","https://image.lensmartonline.com/product/2026-03-25/1774409878271004.jpg","matty-cat-eye-tortoiseshell-11745","/eyeglasses/frames/matty-cat-eye-tortoiseshell-11745/",{"id":939,"goods_id":898,"sku_text":940,"sale_price":11,"market_price":691,"stock":72,"number":941,"multiple":942,"index_img":53,"f_title":945,"rank":58,"sku_size_text":760,"sku_color_id":915,"sku_color_text":916,"overstep_number":61,"main_color_id":745,"status":58,"url":946,"absolute_url":947},11744,"Size:Large；Color:Gradient-Brown","395-C1",[943,944],"https://image.lensmartonline.com/2022-03-11/16469802239729.jpg","https://image.lensmartonline.com/2022-03-11/16469802249456.jpg","Cat-eye Brown Glasses for Women","matty-cat-eye-brown-11744","/eyeglasses/frames/matty-cat-eye-brown-11744/",{"shape_title":949,"type_title":726},"cat-eye",{"id":951,"title":952,"subtitle":953,"category_id":954,"label":955,"type_id":69,"sale_price":957,"type":58,"special_price":674,"status":58,"is_try_on":58,"attr":958,"collect":61,"market_price":810,"sku":972,"url_data":1002},2322,"Evelin","Trendy Rectangle Glasses for Men","100,166,104,106,107,108,109,110,111",[956],"Titanium","22.95",{"color":959},[960,965,969],{"id":961,"title":962,"title_en":962,"images":963,"main_color_id":964},664,"Gold","https://image.lensmartonline.com/2023-08-08/16914787663773.png",588,{"id":966,"title":967,"title_en":967,"images":968,"main_color_id":740},834,"Gun","https://image.lensmartonline.com/2023-08-15/16920784425804.png",{"id":970,"title":688,"title_en":688,"images":971,"main_color_id":690},826,"https://image.lensmartonline.com/2023-08-15/16920692673420.png",[973,983,993],{"id":974,"goods_id":951,"sku_text":975,"sale_price":957,"market_price":810,"stock":65,"number":976,"multiple":977,"index_img":53,"f_title":980,"rank":58,"sku_size_text":701,"sku_color_id":961,"sku_color_text":962,"overstep_number":61,"main_color_id":964,"status":58,"url":981,"absolute_url":982},17186,"Size:Medium；Color:Gold","98396-C3",[978,979],"https://image.lensmartonline.com/2025-05-20/1747706271171752.jpg","https://image.lensmartonline.com/product/2026-03-31/1774924706890338.jpg","Rectangle Gold Glasses for Men","evelin-rectangle-gold-17186","/eyeglasses/frames/evelin-rectangle-gold-17186/",{"id":984,"goods_id":951,"sku_text":985,"sale_price":957,"market_price":810,"stock":97,"number":986,"multiple":987,"index_img":53,"f_title":990,"rank":881,"sku_size_text":701,"sku_color_id":966,"sku_color_text":967,"overstep_number":61,"main_color_id":740,"status":58,"url":991,"absolute_url":992},17185,"Size:Medium；Color:Gun","98396-C2",[988,989],"https://image.lensmartonline.com/2025-05-20/1747706267255341.jpg","https://image.lensmartonline.com/2025-05-20/1747706266556856.jpg","Rectangle Grey Glasses for Men","evelin-rectangle-grey-17185","/eyeglasses/frames/evelin-rectangle-grey-17185/",{"id":994,"goods_id":951,"sku_text":716,"sale_price":957,"market_price":810,"stock":61,"number":995,"multiple":996,"index_img":53,"f_title":999,"rank":836,"sku_size_text":701,"sku_color_id":970,"sku_color_text":688,"overstep_number":61,"main_color_id":690,"status":61,"url":1000,"absolute_url":1001},17184,"98396-C1",[997,998],"https://image.lensmartonline.com/2025-05-20/1747706263615811.jpg","https://image.lensmartonline.com/2025-05-20/1747706262482075.jpg","Rectangle Black Glasses for Men","evelin-rectangle-black-17184","/eyeglasses/frames/evelin-rectangle-black-17184/",{"shape_title":725,"type_title":726}]