{"product_id":"vopha-retro-round-auto-focus-reading-glasses-blue-light-blocking-l21","title":"VOPHA Retro Auto-Focus Reading Glasses – Blue Light Blocking L21","description":"\n\u003ch2\u003eVOPHA L21 Retro Round Smart Auto-Focus Reading Glasses\u003c\/h2\u003e\n\u003cp\u003eMeet the VOPHA L21 — the last pair of reading glasses you'll ever need to carry. Featuring intelligent \u003cstrong\u003eauto-focus flex technology\u003c\/strong\u003e, these retro round frames automatically adjust from \u003cstrong\u003e+0.5 to +2.5 diopters\u003c\/strong\u003e, so you can transition seamlessly from reading a menu to checking your phone to glancing across the room — all without swapping glasses.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a \u003cstrong\u003eblue light blocking coating (20%–90%)\u003c\/strong\u003e, the polycarbonate lenses help filter digital glare from screens, making them a smart companion for anyone who spends time in front of computers, tablets, or smartphones.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Flex Focus:\u003c\/strong\u003e Automatically adjusts from +0.5 to +2.5 — one pair does it all\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue Light Blocking:\u003c\/strong\u003e Lenses filter 20%–90% of blue light for comfortable screen viewing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetro Round Style:\u003c\/strong\u003e Classic circular acetate frames with a timeless, stylish look\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnisex Design:\u003c\/strong\u003e Flattering for all face shapes — suitable for men and women\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight Polycarbonate Lenses:\u003c\/strong\u003e Durable, clear, and impact-resistant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and quality standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Protective Case\u003c\/strong\u003e for safe storage when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVOPHA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL21\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAcetate\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.9 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocus Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+0.5 to +2.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlue Light Blocking Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20%–90%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGender\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnisex\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRetro Round \/ Circular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy You'll Love These Glasses\u003c\/h3\u003e\n\u003cp\u003eTired of keeping multiple pairs of glasses for different distances? The VOPHA L21 eliminates that hassle. The adaptive flex lens technology means your vision adjusts naturally as your focus shifts, whether you're reading a book, working at a desk, or glancing up at someone across the table. Pair that with the vintage-inspired round acetate frame and blue light defense, and you have a go-everywhere eyewear solution that's as stylish as it is practical.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3d-sleep-mask-soft-breathable-light-blocking-eye-mask\"\u003e3D Sleep Mask – Soft Breathable Light-Blocking Eye Mask\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/792leds-510k-l7-large-red-light-therapy-led-panel-infrared-light-pad-human-pet-full-body-use-massage-relaxation-660nm-850nm\"\u003e792LEDs 510k L7 Large Red Light Therapy LED Panel – Full Body Relaxation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nei.nih.gov\/learn-about-eye-health\" target=\"_blank\" rel=\"noopener\"\u003eNational Eye Institute on eye health\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How does the auto-focus technology in the VOPHA L21 reading glasses work?\u003c\/h4\u003e\n\u003cp\u003eA: The VOPHA L21 uses a flexible lens system that automatically adjusts its focal power between +0.5 and +2.5 diopters as you naturally shift your gaze. This means the lenses adapt to your viewing distance in real time — no manual adjustments needed — so you can read, work on a screen, and look up at a distance all with one pair of glasses.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these reading glasses suitable for people who spend a lot of time on screens?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The polycarbonate lenses feature a blue light blocking coating that filters between 20% and 90% of blue light emitted by digital screens. This makes the VOPHA L21 a great choice for extended computer, tablet, or smartphone use, helping reduce visual fatigue during long screen sessions.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the frame material, and are they comfortable for extended wear?\u003c\/h4\u003e\n\u003cp\u003eA: The frames are crafted from acetate, a premium, lightweight, and hypoallergenic material commonly used in high-quality eyewear. The circular retro design is both stylish and comfortable for all-day wear, and the unisex fit makes them suitable for a wide range of face shapes for both men and women.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the VOPHA L21 come with a case?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, a protective case is included with every pair of VOPHA L21 reading glasses to keep your lenses clean and scratch-free when not in use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does the auto-focus technology in the VOPHA L21 reading glasses work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The VOPHA L21 uses a flexible lens system that automatically adjusts its focal power between +0.5 and +2.5 diopters as you naturally shift your gaze. 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