KARUSON Transition Lens Factory in China — Reliable Photochromic Eyewear OEM/ODM
About KARUSON — Trusted Transition Lens Factory China
Established in 2010, KARUSON International Co., Ltd. is a premier transition lens factory in China offering professional OEM/ODM eyewear solutions. With over 15 years of experience, we operate two advanced production bases in Dongguan and Guangzhou, delivering high-capacity manufacturing, rapid prototyping, and agile delivery cycles to meet global market demands.
Why choose KARUSON for transition lenses (photochromic)
- Proven expertise: 300+ trend-setting designs covering photochromic (transition) lenses, polarized sunglasses, TR90 frames, optical eyewear, and sports goggles.
- Vertical integration: end-to-end customization from frame engineering to specialized lens technology and precision logo engraving.
- Quality and trust: rigorous quality control processes and partnerships with respected brands across Spain, Europe, and the Americas.
Products & Services
As a dedicated transition lens factory in China, KARUSON manufactures photochromic lenses that darken outdoors and clear indoors, offering reliable UV protection and fast response times. We provide:
- Custom transition lenses (single-vision and progressive)
- Polarized & anti-glare coatings
- TR90 and acetate frames engineered for comfort and durability
- Sports goggles and specialty optical eyewear
- OEM/ODM services with low MOQ options and quick sample turnaround
Quality, Speed, and Sustainability
Our two factory bases combine advanced equipment with experienced technicians to ensure consistent quality and efficient production. KARUSON emphasizes sustainable practices, careful material selection, and clear traceability to comply with international standards. Rapid prototyping and strict inspection keep lead times short without sacrificing reliability.
Contact KARUSON
For partnership inquiries or samples from a reliable transition lens factory in China, contact us at nicole@karusonco.com or visit https://www.karusonco.com. We combine technical skill and global service to make your eyewear projects simple, fast, and trustworthy.
Detailed display
Our Certifications
CANEW TESTING AND CERTIFICATION LTD
C5451KRN RO
CE
FAQ
What is the lead time?
Mass production takes [25-35]days; samples take [7-10] days.
How long does it take to make samples?
Samples are typically completed within 7–15 working days if available molds are present.
Do you support OEM and ODM?
Yes—we offer both contract manufacturing (OEM) and full product development services (ODM).
Do you offer samples?
Yes, paid samples or refundable samples are available.
About other questions pls contact me directily.
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.
© 2026 KARUSON. All Rights Reserved.








Facebook
Instagram
YouTube
TikTok
Linkedin