[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"yLLEnxImo2ZmPSuVOlm9KQatjwF2_2p2um0q6tRo958":3,"wkS2Pl-LYcBMaZtkHCGqGslM5wrGea9J9xzFExQNF-k":57,"OS2_xlgrAEOPwRx8_gbi_QWEprDmr2Oaj6ClTKWmQcg":374,"3VhpfzLx9rjSXSoS_pyvDDEFIqyHr-K6zuTABLCeKLQ":642},{"prismPrice":4,"recommendAccessories":5,"recipe_pd_help":12,"coupons":13,"advertising":51,"taxes_text":56},38,{"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. 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13:54:50",{"id":129,"group_id":66,"name":633,"sort":19,"url":634,"create_time":630,"update_time":635,"status":59},"FAQ","/about/faq/","2025-02-15 13:55:18",{"id":637,"group_id":66,"name":638,"sort":59,"url":639,"create_time":640,"update_time":641,"status":59},64,"Press","/press/","2022-09-05 18:48:40","2025-02-15 13:58:15",{"type":643,"list":652,"url":662},{"p_type":644,"pp_type":648},{"id":32,"title":645,"pid":62,"head_title":646,"head_description":53,"head_keywords":53,"url_title":647,"list_title":53,"list_comment":53,"pc_img":53,"wap_img":53},"Eyeglasses Tips & Guides","Eyeglass Tips & Guides - Lensmart Blog","eyeglass-tips-and-guides",{"id":39,"title":649,"pid":32,"head_title":650,"head_description":53,"head_keywords":53,"url_title":651,"list_title":649,"list_comment":53,"pc_img":53,"wap_img":53},"Eyeglasses Care","Eyeglasses Care - Lensmart Blog","eyeglasses-care",{"id":653,"type_id":39,"sort":654,"desc":655,"title":656,"img_alt":53,"img":657,"f_title":153,"url_title":658,"label":53,"author":53,"content":659,"head_title":656,"head_description":655,"head_keywords":53,"create_time":660,"status":59,"is_tj":62,"desclang":661,"head_canonical":53,"author_id":62,"author_img":53,"author_role":53,"author_content":53},1040,120,"We usually worry about dropping our glasses, scratching the lenses, or losing them somewhere between the car and the coffee shop. But there's another everyday threat that's easy to overlook: heat.","Can Heat Damage Your Glasses? What Happens to Lenses and Frames?","https://image.lensmartonline.com/product/2026-09-11/1789116427572688.jpg","can-heat-damage-glasses","\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">We usually worry about dropping our glasses, scratching the lenses, or losing them somewhere between the car and the coffee shop. But there's another everyday threat that's easy to overlook: \u003C/span>\u003Cstrong>heat\u003C/strong>\u003Cspan style=\"font-size: 16px;\">.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Leaving your glasses in a hot car, storing them beside a sunny window, or cleaning them with very hot water may affect both the lenses and frames over time. But how hot is too hot? And if your glasses have already spent a little too much time in the heat, are they ruined?\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Let's break down what heat can actually do to your glasses—and how to keep them in better shape.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">Quick Answer\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">Yes, \u003C/span>\u003Cstrong>excessive heat can damage glasses\u003C/strong>\u003Cspan style=\"font-size: 16px;\">. High temperatures may affect lens coatings, change the shape of some frames, and weaken certain materials or attached \u003C/span>\u003C/span>\u003Cspan style=\"font-family: public;\">components over time. A brief exposure to warmth doesn't necessarily mean your glasses are ruined, but repeated or extreme heat is best avoided.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">Quick Look\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">How heat can affect your lenses\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">What happens to different types of frames\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">Everyday places that can get your glasses too hot\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">Signs that heat may have caused damage\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">What to do if your glasses get overheated\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 15px; font-family: public;\">Simple ways to protect your glasses from heat\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Chr size=\"2\" width=\"100%\"/>\u003Cp>\u003Cbr/>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">1. Can Heat Really Damage Your Glasses?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: public; font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>It can—but usually not from simply wearing them on a warm day.\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Glasses are designed to handle normal everyday temperatures, so you don't need to panic every time the weather gets warm.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">The bigger concern is \u003C/span>\u003Cstrong>extreme or prolonged heat\u003C/strong>\u003Cspan style=\"font-size: 16px;\">, especially when your glasses are left somewhere hot for a long time.Think about the difference between wearing your glasses outside on a sunny afternoon and leaving them on the dashboard of a parked car. The first is normal use. The second can expose them to much more intense heat.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Heat damage can also build up over time. Your glasses may not look different immediately, but repeated exposure can eventually affect lens coatings, frame shape, or small components.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">So, the real rule isn't simply \u003C/span>\u003Cstrong>“hot weather = bad for glasses.”\u003C/strong>\u003Cspan style=\"font-size: 16px;\"> It's more like:\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;text-align: justify;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">The hotter, longer, and more often your glasses are exposed to extreme heat, the greater the risk of damage.\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;text-align: justify;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial; font-size: 16px;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial; font-size: 16px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;text-align: justify;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cimg width=\"600\" height=\"343\" src=\"https://image.lensmartonline.com/product/2026-09-11/1789116426574676.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" border=\"0\" vspace=\"0\" title=\"\" alt=\"\" style=\"width: 600px; height: 343px;\"/>\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial; font-size: 16px;\"> \u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">2. What Happens to Your Lenses in High Heat?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">When it comes to heat, the lenses themselves aren't always the biggest concern. \u003C/span>\u003Cstrong>Lens coatings can be more sensitive.\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">Lens Coatings Can Be Affected\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Many prescription lenses have additional coatings, such as anti-reflective or other protective treatments. Under excessive or repeated heat exposure, these coatings may become damaged.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Depending on the situation, you might eventually notice:\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Cloudy or hazy areas\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Peeling or flaking\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Tiny cracks or lines\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Bubbles or uneven-looking patches\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Changes in how light reflects from the lens\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Once a lens coating has started to peel or crack, cleaning your glasses won't restore it.That's why prevention is much easier than trying to fix the problem later.\u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial; font-size: 18px;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial; font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">Be Careful With Sudden Temperature Changes\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Extreme temperature changes aren't ideal for your lenses either.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">For example, imagine your glasses have been sitting somewhere very hot and you immediately rinse them with very cold water. The sudden change in temperature can put additional stress on the lens and its coatings.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">The safer approach?\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Let your glasses return to room temperature naturally before cleaning them.\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cimg width=\"600\" height=\"343\" src=\"https://image.lensmartonline.com/product/2026-09-11/1789116424564021.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" border=\"0\" vspace=\"0\" title=\"\" alt=\"\" style=\"width: 600px; height: 343px;\"/>\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">3. What Happens to Your Frames?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Different frame materials react differently to heat, so there's no single answer for every pair of glasses.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">Plastic and TR90 Frames\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Plastic-based frames can become softer when exposed to high temperatures.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">With enough heat or prolonged exposure, some frames may:\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Lose their original shape\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Become slightly warped\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Fit differently on your face\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: Symbol; font-size: 13px;\">·\u003Cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman";\"> \u003C/span>\u003C/span>\u003Cspan style=\"font-size: 14px; font-family: public;\">Develop stress or deformation\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">This can be especially frustrating because even a small change in shape can make your glasses sit unevenly.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">Metal Frames\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Metal frames generally don't react to heat in exactly the same way as plastic frames. However, high temperatures can still affect finishes, coatings, adhesives, nose pads, and other attached components.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">In other words, \u003C/span>\u003Cstrong>“It's metal, so heat doesn't matter” isn't quite true.\u003C/strong>\u003C/span>\u003Cspan style=\"font-family: public;\">The specific material and construction of your glasses both matter.\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">4. 5 Everyday Places That Can Get Your Glasses Too Hot\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">You don't need to work in a laboratory to expose your glasses to excessive heat. Some of the biggest risks can happen during completely ordinary days.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">1) Inside a Hot Car\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">This is one of the biggest everyday problems.A parked car can become extremely hot, especially when your glasses are sitting directly on the dashboard or near a sunny window. \u003C/span>\u003Cspan style=\"font-family: public;\">Even if you're only planning to be away for a little while, it's better to take your glasses with you or store them somewhere protected.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">2) Direct Sunlight by a Window\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">A sunny windowsill might seem like a harmless place to leave your glasses while you work, read, or relax.\u003C/span>\u003Cspan style=\"font-family: public;\">But prolonged direct sunlight can create a much warmer environment than the surrounding room.\u003C/span>\u003Cstrong style=\"font-family: public;\">Bright window + long exposure = not the best storage spot.\u003C/strong>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">3) Hot Water\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Your glasses don't need a hot shower. \u003C/span>\u003Cspan style=\"font-family: public;\">Very hot water can affect lens coatings and may also expose frames to unnecessary heat. When cleaning your glasses, use an appropriate cleaning method rather than reaching for the hottest water from the tap.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">4) Hair Dryers\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">If you tend to leave your glasses on the bathroom counter while getting ready, be careful with the hair dryer.\u003C/span>\u003Cspan style=\"font-family: public;\"> \u003C/span>\u003Cspan style=\"font-family: public;\">Direct hot air can expose the lenses and frame to unnecessary heat—especially when the glasses are sitting only a few inches away.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">5) Saunas and Other High-Heat Environments\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Saunas, hot tubs, and other high-temperature environments are another situation where it's better to leave your glasses somewhere cooler and protected.\u003C/span>\u003Cspan style=\"font-family: public;\">Your glasses don't need to join you for every part of the relaxation session.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cimg width=\"600\" height=\"343\" src=\"https://image.lensmartonline.com/product/2026-09-11/1789116425257888.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" border=\"0\" vspace=\"0\" title=\"\" alt=\"\" style=\"width: 600px; height: 343px;\"/>\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">5. How Do You Know If Heat Has Damaged Your Glasses?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Not every scratched or cloudy lens has been damaged by heat. Normal wear, cleaning mistakes, and age can cause similar problems.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp>\u003Cspan style=\"font-family: public;\">Still, a few changes are worth paying attention to, such as a cloudy or uneven lens coating, peeling, cracking, or bubbling on the lens surface, a warped frame, glasses that sit unevenly or feel less comfortable, or vision that suddenly seems different or less clear.\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">If the problem is only a minor frame adjustment, an optical professional may be able to help.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">But if the \u003C/span>\u003Cstrong>lens coating is visibly damaged or your vision is affected\u003C/strong>\u003Cspan style=\"font-size: 16px;\">, it's better to have the lenses checked rather than continuing to wear them and hoping the problem disappears.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">6. What Should You Do If Your Glasses Get Too Hot?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Don't panic if you accidentally leave your glasses somewhere warm.\u003C/span>\u003Cspan style=\"font-family: public;\">If they were exposed to heat for a short period, the best first step is simple:\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Move them to a cooler place and let them return to room temperature naturally.\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Avoid trying to cool them down quickly with ice or very cold water.\u003C/span>\u003Cspan style=\"font-family: public;\">If the frame appears slightly bent, don't immediately try to force it back into shape. You could make the problem worse or damage the frame. \u003C/span>\u003Cspan style=\"font-family: public;\">Instead, have it professionally adjusted if possible.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">And if you notice peeling or cracking on the lens coating, remember that \u003C/span>\u003Cstrong>coatings generally can't be restored through cleaning\u003C/strong>\u003Cspan style=\"font-size: 16px;\">. A professional can help determine whether the lenses need to be replaced.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">7. How to Protect Your Glasses From Heat\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">The good news? Protecting your glasses from heat doesn't require much extra effort.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">A Few Simple Habits Can Help:\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Keep them in a case.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>When you're not wearing your glasses, a hard case provides more protection than leaving them loose in a bag or on a car seat.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Don't leave them in a parked car.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>Especially avoid the dashboard or other areas exposed to direct sunlight.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Store them away from direct sunlight.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>A cool, shaded place is a better home for your glasses.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Avoid very hot water when cleaning.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>Use an appropriate lens-cleaning method instead.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Keep them away from direct heat.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>Hair dryers, heaters, radiators, and other heat sources aren't ideal places to store your glasses.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Let them cool naturally.\u003C/strong>\u003Cspan style=\"font-size: 16px;\">\u003Cbr/>If your glasses have been exposed to high temperatures, give them time to return to room temperature before cleaning or handling them extensively.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch3 style=\"margin: 7px 0;font-family: 宋体;font-size: 18px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">Do vs. Avoid\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 18px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h3>\u003Ctable cellspacing=\"2\">\u003Ctbody>\u003Ctr class=\"firstRow\">\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) windowtext\" width=\"363\">\u003Cp style=\";text-align: center;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">Do\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"345.3333333333333\">\u003Cp style=\";text-align: center;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">Avoid\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 16px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"362.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Store glasses in a protective case\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"344.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Leaving them on a hot dashboard\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"363\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Keep them in a cool, shaded place\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"327.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Storing them in direct sunlight\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"345.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Use appropriate lens-cleaning methods\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"344.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Using very hot water\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"363\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Let overheated glasses cool naturally\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"344.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Sudden extreme temperature changes\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"363\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Get damaged frames professionally adjusted\u003C/span>\u003C/p>\u003C/td>\u003Ctd valign=\"center\" style=\"padding: 1px;border-width: 1px;border-color: rgb(0, 0, 0)\" width=\"344.3333333333333\">\u003Cp style=\";font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Bending them back by force\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003C/tbody>\u003C/table>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">When Should You Replace Heat-Damaged Glasses?\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Not every heat-related problem means you need a new pair.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">If the frame is only slightly out of alignment, a professional may be able to adjust it.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-size: 16px;\">However, \u003C/span>\u003Cstrong>visible lens coating damage, significant frame deformation, or changes that affect your vision\u003C/strong>\u003Cspan style=\"font-size: 16px;\"> are stronger reasons to consider professional evaluation or replacement.\u003C/span>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Your glasses may still look wearable from the outside, but if the lenses are affecting your vision, that's not something to ignore.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">When in doubt, have your glasses checked by an optician.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">Final Thoughts\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\">Heat is one of those things you might not think about until your glasses start showing signs of damage. A few simple habits—keeping them out of hot cars, away from direct heat, and stored properly—can go a long way toward protecting both your lenses and frames.\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-size: 16px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>Keep your glasses cool, protected, and ready for wherever the day takes you.\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Ch2 style=\"margin: 7px 0;font-family: 宋体;font-size: 24px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">Related Articles\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-size: 24px;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/h2>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Ca href=\"https://www.lensmartonline.com/blog/eyeglasses-care/details/stop-glasses-fogging-up\" style=\"color: rgb(0, 0, 255); letter-spacing: 0px; font-size: 14px; background: rgb(255, 255, 255); text-decoration: underline; font-family: public;\">\u003Cspan style=\"color: rgb(0, 0, 255); letter-spacing: 0px; font-size: 14px; background: rgb(255, 255, 255); text-decoration: underline; font-family: public;\">Glasses Fogging Up? How to Stop Lens Fog in Summer Heat, Masks, and Cold Weather\u003C/span>\u003C/a>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Ca href=\"https://www.lensmartonline.com/blog/glasses-lifestyle-guides/details/prevent-glasses-fogging-kitchens-guide\" style=\"color: rgb(0, 0, 255); letter-spacing: 0px; font-size: 14px; background: rgb(255, 255, 255); text-decoration: underline; font-family: public;\">\u003Cspan style=\"color: rgb(0, 0, 255); letter-spacing: 0px; font-size: 14px; background: rgb(255, 255, 255); text-decoration: underline; font-family: public;\">Chef’s Eyewear: How to Prevent Lens Fogging in High-Heat Kitchens\u003C/span>\u003C/a>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp style=\"margin: 7px 0;font-family: Calibri;font-size: 16px;text-indent: 0\">\u003Cspan style=\"font-family: public;\">\u003Cstrong>\u003Cspan style=\"font-family: Arial;\"> \u003C/span>\u003C/strong>\u003Cstrong>\u003Cspan style=\"font-family: Arial;\">\u003C/span>\u003C/strong>\u003C/span>\u003C/p>\u003Cp style=\";text-align: justify;font-family: Calibri;font-size: 14px;text-indent: 0\">\u003Cspan style=\"font-size: 14px; font-family: public;\"> \u003C/span>\u003C/p>\u003Cp>\u003Cbr/>\u003C/p>","2026-09-14 09:11:02","{\"en\":\"We usually worry about dropping our glasses, scratching the lenses, or losing them somewhere between the car and the coffee shop. But there's another everyday threat that's easy to overlook: heat.\",\"fr\":\"\",\"es\":\"\",\"de\":\"\",\"hu\":\"\",\"pt\":\"\",\"sk\":\"\"}","/eyeglasses-care/details/can-heat-damage-glasses/"]