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Product Introduction
Dynamic Vision: Adaptive Photochromic Lens Technology
Modern life requires rapid transitions between indoor work and outdoor activities. Our Photochromic Grey and Brown Lenses are the perfect solution for users who want the convenience of one pair of glasses that acts as both clear prescription lenses and high-quality sunglasses. Utilizing advanced "In-Mass" or "Spin-Coated" molecular technology, these lenses contain millions of light-sensitive molecules that change structure when exposed to UV radiation. Indoors, the lenses are perfectly clear with over 95% light transmission. Within 30 seconds of stepping outside, they darken to a rich Category 3 tint, protecting the eyes from glare and harmful solar rays. We offer two primary tint options: Charcoal Grey, which provides neutral color perception and is ideal for bright sunlight, and Chocolate Brown, which enhances contrast and depth perception, making it perfect for driving and overcast days. Our photochromic tech is designed to be highly reactive even in varying temperatures, ensuring consistent performance throughout the year. Every lens is finished with a super-hydrophobic anti-reflective coating to prevent smudging and ghosting, providing a seamless, high-definition visual experience in every lighting environment.
Specification
| Transition Speed | < 30s Darkening / < 2m Clearing |
| UV Protection | 100% UV400 (Active & Clear) |
| Indices | 1.56, 1.61, 1.67, 1.74 |
Technological Highlights: Premium Monomers and Coating Integrity
- High-Purity Monomer Selection: We exclusively use high-performance monomers (e.g., MR-series) to achieve superior tensile strength and optical purity, resulting in excellent clarity and minimal risk of yellowing over time.
- Precision Liquid Casting Process: The lenses are produced via a controlled liquid casting method that ensures uniform material density and refractive index consistency across the entire blank, which is critical for accurate therapeutic power zones.
- Advanced Vacuum Multi-Coating (SHMC): Coatings are applied in a high-vacuum chamber, using multiple layers of metallic oxides to create a durable, anti-reflective stack. This process guarantees maximum light transmission and minimal glare.
- Thermal Curing Optimization: A slow and precise thermal curing cycle is employed to maximize the material’s resistance to internal stress, ensuring the finished lens remains stable and optically perfect under varying temperature conditions.
- Integrated Peripheral Defocus Geometry: The therapeutic design is engineered into the mold itself for cast lenses, or applied via digital surfacing for semi-finished blanks, guaranteeing the accuracy and consistency of the myopia control zone geometry.
Application
- Everyday Indoor/Outdoor Use
- Hiking & Light Sports
- Daily Driving Conditions
Advantage
- Convenient 2-in-1 Solution
- Protects Against Eye Fatigue
- Full UV400 Shield Always
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Customization
Customized For Your
Business
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Complete Customization Capability
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Professional Lens Architecture
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Functional Coating Customization
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Digital Rx Customization
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Branding & Packaging
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Delivery & Support
FAQ
- Q: Do they darken inside the car?
- A: Standard photochromics stay mostly clear behind UV-protected windshields.
- Q: How long does it take to turn clear again?
- A: Usually between 2 to 5 minutes depending on the ambient temperature.
- Q: Does temperature affect the darkening?
- A: Yes, they typically get darker in colder, sunny weather.
- Q: Are they available in 1.67?
- A: Yes, we offer them in 1.56, 1.61, and 1.67 indices.
- Q: Do they wear out over time?
- A: Modern photochromic molecules remain highly effective for 2-3 years.
- Q: Are they as clear as normal lenses indoors?
- A: Yes, they have a clear-base state with very high transmission.
- Q: Which color is better, Grey or Brown?
- A: Grey is best for true color; Brown is best for high contrast and depth.
- Q: Do they block blue light?
- A: Yes, they naturally filter a portion of digital blue light.
- Q: Can I use them for sports?
- A: Yes, they are great for activities with changing light.
- Q: Are they available in RX?
- A: Yes, full range of prescription powers is available.
Payment and Shipping Policy
- Payment: T/T, L/C, Western Union, or secure online portals. Standard 30% deposit for bulk production.
- Shipping: Global air/sea logistics via DHL, FedEx, or specialized freight forwarders. FOB/CIF terms available.
- Packaging: Sealed individual moisture-proof lens envelopes in reinforced export cartons.
Comprehensive Business Information
| MOQ | 100 Pairs (Finished) / 200 Pairs (Semi-finished) |
| Lead Time | 7-10 Days (Stock) / 15-20 Days (Custom) |
| Packaging | Export-Standard individual branded or neutral envelopes. |
| Certifications | FDA, CE, ISO9001, Reach. |
| Raw Materials | Premium Optical Resin with UV400/HEV Absorbers. |
| Customization | Brand printing, specific blocking rates, and HMC color options. |
