{"product_id":"cal-night","title":"Cal (Night)","description":"\u003cp\u003e\u003cstrong\u003eCal (Night)\u003c\/strong\u003e is the frame for the cooler younger sibling, built for evenings and sleep preparation. Deep amber and red lenses block virtually all blue and green light, helping support healthy melatonin production and a restful wind-down before bed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, classic style:\u003c\/strong\u003e A sturdy black oval frame with easy, confident appeal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNighttime focus:\u003c\/strong\u003e Deep amber\/red lenses block virtually all blue and green light to reduce melatonin suppression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvening-focused use:\u003c\/strong\u003e Wear 2–3 hours before bed to help your child wind down and sleep better.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits your routine:\u003c\/strong\u003e Available in Non-Prescription, Readers, and Prescription options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCal (Night) is a simple, elegant way to help your child reconnect with the signals of life and build healthier sleep habits.\u003c\/p\u003e\n\n\u003ch3\u003eIndependently lab-tested: 99% melanopic light blocked, 94% red\/NIR passed\u003c\/h3\u003e\n\u003cp\u003eCal (Night) uses BioSpectral's Night lens technology, independently spectrometer-tested (350–950nm) against 7 competitor brands. It blocks 99% of melanopic light — tying for the best of all lenses tested — and passes 94% of red\/near-infrared light, the highest pass-through of any brand tested. \u003ca href=\"\/blogs\/learning-hub\/independent-testing-confirmed-our-night-lens-blocks-the-most-blue-light-and-passes-the-most-red-nir\"\u003eSee the full independent comparison data\u003c\/a\u003e.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much blue light does the Cal (Night) lens block?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Independent spectrometer testing confirms the BioSpectral Night lens used in Cal (Night) blocks 99% of melanopic light, the wavelength range most responsible for suppressing melatonin.\"}},{\"@type\":\"Question\",\"name\":\"Does the Cal (Night) lens block red and near-infrared light too?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — independent testing confirms it passes 94% of red and near-infrared light, the highest of any brand tested, so beneficial red\/NIR wavelengths reach your eyes while disruptive blue\/green light is blocked.\"}},{\"@type\":\"Question\",\"name\":\"When should I wear Cal (Night) instead of the Day version?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Wear Cal (Night) in the 2–3 hours before bed. The Day version is designed for daytime wear and preserves more visible light for daytime alertness.\"}}]}\u003c\/script\u003e","brand":"Biospectral Systems","offers":[{"title":"Non-Prescription","offer_id":42836388872274,"sku":"CAL-NIGHT-NP","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Readers","offer_id":42836388905042,"sku":"CAL-NIGHT-R","price":219.99,"currency_code":"USD","in_stock":true},{"title":"Prescription","offer_id":42836388937810,"sku":"CAL-NIGHT-P","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/4767\/0866\/files\/FORMAT_Cal_night_1.png?v=1792641761","url":"https:\/\/themoderncart-store.myshopify.com\/products\/cal-night","provider":"The Modern Cart","version":"1.0","type":"link"}