KARUSON Transition Lenses OEM Factory — Reliable Custom Photochromic Lenses
KARUSON — Your Trusted Transition Lenses OEM Factory
Established in 2010, KARUSON International Co., Ltd. is a leading transition lenses OEM factory with over 15 years of expertise in eyewear design and precision manufacturing. Operating two advanced factory bases in Dongguan and Guangzhou, we combine high-capacity production with agile delivery to serve brands worldwide.
What our transition lenses offer
Our OEM transition lenses (photochromic lenses) change from clear indoors to dark outdoors, providing reliable UV protection, comfortable vision and reduced glare. Options include anti-reflective coatings, scratch-resistant treatments, polarization, and customized tint levels—designed to meet practical needs for everyday wear, sports eyewear, and optical frames.
Customization & production capabilities
As a vertically integrated eyewear factory and OEM/ODM supplier, KARUSON delivers end-to-end services: bespoke frame engineering, custom transition lens formulation, precision logo engraving, and rapid prototyping. We have developed 300+ trend-setting designs and can scale from small sampling runs to high-volume production with consistent quality.
Quality control & trusted partnerships
Rigorous quality control, inline inspections, and final product testing ensure every pair meets your standards. Our manufacturing processes and quality assurance practices have earned the trust of brands across Spain, Europe, and the Americas, reinforcing our reputation as a dependable OEM transition lenses partner.
Easy ordering & global support
Ordering is simple: share your specs, receive a rapid prototype, approve samples, and proceed to production. KARUSON supports flexible MOQ options, competitive lead times, and international logistics. For tailored OEM/ODM solutions or sample requests, contact our sales team at nicole@karusonco.com.
Whether you need custom transition lenses for sunglasses, optical frames or sports goggles, KARUSON is ready to be your reliable transition lenses OEM factory—delivering practical value, product consistency, and fast market turnaround.
Product Images
Our Certifications
CE
CANEW TESTING AND CERTIFICATION LTD
DIN EN
Frequently Asked Questions
What is your minimum order quantity (MOQ)?
MOQ is flexible and varies by product type. Small trial orders are welcome.
How do you ensure product quality?
Full QC process, factory testing, and international certifications.
How do we start a project with Karuson?
Send us your product idea or requirements—our team will review, advise, and provide the best solution and quotation.
Do you support OEM and ODM?
Yes—we offer both contract manufacturing (OEM) and full product development services (ODM).
Advanced Sunglasses Solutions: Polarized Lenses with Anti-Seawater Coating
As a versatile photochromic lenses manufacturer and high-performance optics expert, Karuson crafts high-quality Polycarbonate (PC) Gradient Tinted Lenses that perfectly balance aesthetics with advanced protection. By fusing the ultra-lightweight and impact-resistant properties of PC material with precision gradient tinting technology, we deliver a durable visual solution that enhances clarity and comfort for urban lifestyles and outdoor sports. These lenses not only optimize visibility across varying light conditions by reducing glare but also offer a sleek, customizable design—allowing global brands to blend practical eye protection with a modern, fashion-forward accessory.
Dynamic Adaptation: Next-Gen Photochromic Lenses for Indoor & Outdoor Use
As premier eyeglass lenses manufacturers, Karuson crafts high-performance PC polarized coated lenses that seamlessly integrate lightweight, impact-resistant polycarbonate with advanced optical film technology. These lenses are engineered to achieve superior glare reduction and enhanced visual definition while offering a spectrum of stylish, customizable tints. Optimized for professional driving, outdoor sports, and urban lifestyles, our manufacturing process ensures that harmful reflections from water, roads, and snow are effectively filtered out. The result is a durable, fashion-forward visual solution that perfectly balances essential eye protection with high-end aesthetic appeal—making them the ideal choice for brands seeking to merge practicality with a modern fashion statement.
The Digital Shield: Blue Light Blocking Lenses for the Modern Professional
As leading eye lenses manufacturers, Karuson leverages advanced material science to produce PC lenses that are 37% lighter than conventional resin, providing a significant reduction in nasal bridge pressure for prolonged, comfortable wear. These high-performance lenses offer 100% UV protection and superior impact resistance, ensuring maximum ocular safety. By utilizing specialized dyeing techniques that infuse pigments directly into the material, we offer a versatile spectrum of vibrant color options—effectively minimizing glare while maintaining exceptional visual clarity for any environment.
Innovative Lens Technologies: Setting Your Brand Apart in a Competitive Market
Setting a new standard in high-end lenses manufacturing, Karuson’s flagship-grade Polyamide (PA) Nylon polarized lenses seamlessly combine ultra-lightweight material with exceptional, high-toughness durability. By integrating precision polarizing technology, we have created a high-definition visual solution that excels in clarity and comfort for professional driving, outdoor adventures, and competitive sports. This innovation does more than meet expectations—it redefines the performance benchmark for professional polarized optics in the global market.
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