{"product_id":"1-61-index-m-8-bifocal-photochromic-lenses-no-line-gray","title":"1.61 Index M-8 Bifocal Photochromic Lenses No Line Gray","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003e: \u003c\/strong\u003e1.61 Aspheric No Line Bifocal Photochromic Lenses\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThese lenses have an SPH Range -6.00 to -6.75 and +6.00 to +6.75\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaterial: \u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003eLenses are crafted using  an M-8 CR-39 (Columbia Resin 39), a plastic polymer commonly used in the manufacture of eyeglass lenses with UV400 Coating that meets ANSI standards. The surface of this lens \u003cspan data-mce-fragment=\"1\"\u003eis resistant to scratches, most solvents, and everyday wear.\u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCoating:  \u003c\/strong\u003eAR\/HMC\/AS\/UV400  \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eColor:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e Gray\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003eThese lenses are often referred to as  Mid Index Thin or Light Lenses and are a blend of superior optics with their design w\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003ehich makes them a good lens for stronger prescriptions. \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePhotochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight. An added benefit of photochromic lenses is that they shield your eyes from 100 percent of the sun's harmful UVA and UVB rays.  It's a good idea to consider photochromic lenses for children's eyewear as well as for eyeglasses for adults Because a person's lifetime exposure to sunlight and UV radiation has been associated with cataracts later in life.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSpheric lenses have a single curve in their design, while aspheric lenses\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eoffer varying deflection.\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis unique design make lenses thinner and create an over all flat surface making them esthetically pleasing because they prevent magnifcation of your eyes.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBifocal lenses are those which contain two different prescriptions. One in the upper area of the lens that allows vision at a distance while the bottom prescription has the additional power needed for vision at a close up range. The resulting vision is clear at both far and near with one pair of glasses.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003eThey are not polarized.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" color=\"#212b36\"\u003e\u003cspan data-mce-fragment=\"1\" face=\"Bahnschrift SemiBold, sans-serif\"\u003e\u003cspan data-mce-fragment=\"1\" size=\"2\"\u003eFor accurate ordering of lenses please contact us via our customer service email at info@rxspectacle.com\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Charleston Lenses","offers":[{"title":"Default Title","offer_id":49718969106671,"sku":null,"price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/9864\/7535\/files\/bifocalphotochromic2_2eff0ab8-12b9-43cd-b095-0056c63cac7b.jpg?v=1781110939","url":"https:\/\/rxspectacle.com\/products\/1-61-index-m-8-bifocal-photochromic-lenses-no-line-gray","provider":"Rx Spectacle","version":"1.0","type":"link"}