{"product_id":"photochromic-mr-8-mr-7-multifocal-progressive-1-67-index-lenses-color-grey","title":"Photochromic Mr-8 Mr-7 Multifocal Progressive 1.67 Index Lenses Color Grey","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\u003eColor\u003c\/strong\u003e: Solid Grey Tint\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAlso available in transparent, 7 solid tints and 7 gradient tints.\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 M-7 M-8\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\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePerfect for rimless eyewear frames with prescriptions that have an SPH -.50 ~ -8.00; CYL: -.50 ~ -2.00  to S PH +4.00 ~ +8.00  CYL -.50 ~ -2.00\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\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\/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 see the How to Choose Lenses Index charts in this product page. If you require any additional assistance please contact us via our customer service email at info@rxspectacle.com \u003c\/span\u003e\u003c\/p\u003e","brand":"Ojai Lenses","offers":[{"title":"Default Title","offer_id":49730481357039,"sku":null,"price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/9864\/7535\/files\/Zirosatphotochromiclens_5c33b823-dc38-44d9-a00d-0e475aa7faa6.jpg?v=1781206202","url":"https:\/\/rxspectacle.com\/products\/photochromic-mr-8-mr-7-multifocal-progressive-1-67-index-lenses-color-grey","provider":"Rx Spectacle","version":"1.0","type":"link"}