{"product_id":"1-74-index-aspheric-wide-field-free-form-interior-progressive-lenses-color-clear","title":"1.74 Index Aspheric Wide Field Free Form Interior Progressive Lenses Color Clear","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eColor:\u003c\/strong\u003e Clear\/Transparent. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaterial:\u003c\/strong\u003e CR-39 Resin\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCoating: \u003c\/strong\u003eHMC (Anti-Reflective) UV400 \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe price is for one pair (2 lenses)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePerfect for rimless eyewear frames with all prescription strengths including those that have an SPH -.50 ~ -9.00; CYL: -.50 ~ -5C.00  to S PH +4.00 ~ +9.00  CYL -.50 ~ -5.00\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSpheric lenses have a single curve in their design, while aspheric lenses\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003eoffer varying deflection\u003cb data-mce-fragment=\"1\"\u003e.\u003c\/b\u003e This 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\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTrending in the field of lens making,  high tech improvements in progressive lenses have created  a smooth and consistent transition between differing lens strengths within the lens itself. Also known as “multifocal” or “varifocal” lenses, they offer all of the improvements of the old out moded bi- or trifocal lenses without the drawbacks of  heavy weight, lens thickness and bulky transition lines their predecessors had. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThey are not polarized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor accurate ordering of lenses please contact us via our customer service email at info@rxspectacle.com \u003c\/span\u003e\u003c\/p\u003e","brand":"Charleston Lenses","offers":[{"title":"Default Title","offer_id":49718966059247,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/9864\/7535\/files\/174progressive.jpg?v=1781110920","url":"https:\/\/rxspectacle.com\/products\/1-74-index-aspheric-wide-field-free-form-interior-progressive-lenses-color-clear","provider":"Rx Spectacle","version":"1.0","type":"link"}