{"product_id":"barner-dalston-in-black","title":"Barner Dalston Glasses in Black","description":"Barner Dalston in Black +1.5 combines protective eyewear with contemporary design. These screen glasses feature advanced blue light filtering technology, blocking 100% of harmful wavelengths below 410 nm and reducing 45% of blue light in the 410–450 nm range—where most screen emissions occur. Ideal for extended computer use, they help minimise eye strain and support better sleep quality.\n\nCrafted from durable TR-90 frames with CR-39 lenses, these glasses deliver both comfort and clarity. Each purchase includes a protective neoprene case, microfibre cleaning cloth, and a tree planted in our banner forest. Frame width 142 mm, height 47 mm, lens width 52 mm, bridge 18 mm, temple length 135 mm.","brand":"Barner","offers":[{"title":"+1.5","offer_id":47765978284270,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true},{"title":"+2.00","offer_id":47765978317038,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true},{"title":"+2.5","offer_id":47765978349806,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true},{"title":"+3.00","offer_id":47765979496686,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/5827\/4357\/files\/01-Dalston-BlackNoir-Cenital_1_2048x_fe13fc46-c884-4297-ab9d-d6a931985e09.webp?v=1773325126","url":"https:\/\/bluesaffronwalden.co.uk\/hr\/products\/barner-dalston-in-black","provider":"blue Saffron Walden ","version":"1.0","type":"link"}