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Product Introduction
Introduction: Advanced Defense for the Digital Era
In an increasingly digitized world, our eyes are constantly exposed to High-Energy Visible (HEV) blue light from smartphones, tablets, and LED monitors. Our Blue Cut HEV Protection Lenses are specifically engineered to address the growing concern over digital eye strain and potential long-term retinal health. Unlike standard clear lenses, these lenses utilize a dual-action defense system: blue-light-absorbing monomers integrated directly into the lens material and specialized vacuum coatings that reflect specific harmful wavelengths. This comprehensive approach ensures that while harmful blue-violet light (415nm-455nm) is effectively filtered, beneficial blue-turquoise light—essential for regulating circadian rhythms and mood—is allowed to pass through.
The result is a lens that significantly reduces visual fatigue, dryness, and headaches associated with prolonged screen use. We have refined our manufacturing process to ensure that these lenses maintain exceptional transparency without the distracting heavy yellow tint often found in inferior blue-blocker products. Whether integrated into a myopia management profile or a standard prescription, our Blue Cut technology provides a critical layer of defense for students, office professionals, and gamers alike. By balancing protection with color accuracy, we deliver a visual experience that is both safe and aesthetically pleasing, ensuring that your vision remains sharp and comfortable even during intensive digital tasks.
Specification: Optical Defense Metrics
| Blue Light Blocking Rate | 40% - 45% (HEV 415nm-455nm) |
| Material Options | Index 1.56, 1.60, 1.67, 1.74 Resin |
| Light Transmittance | > 97% (Visible Spectrum) |
| UV Protection | UV400 (100% Block) |
| Coating Technology | Vacuum Ion Plating Anti-Reflective Blue-Coat |
| Abbe Value | 32 - 42 (Material Dependent) |
| Lens Design | Spheric / Aspheric Options Available |
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: Targeted User Groups
- Office Professionals: Essential for those spending 8+ hours daily in front of computer screens or under LED lighting.
- E-Learning Students: Protects young eyes during digital study sessions and tablet-based learning.
- Professional Gamers: Enhances contrast and reduces flicker-induced eye strain during high-intensity play.
- Late-Night Screen Users: Helps maintain healthy sleep patterns by reducing blue light interference with melatonin production.
- Digital Content Creators: Provides color-balanced protection for video editors and designers.
Advantage: Superior Digital Comfort
- Effective HEV Filtration: Targets the most damaging wavelengths (415-455nm) to protect the macula and retina.
- Reduced Digital Eye Strain: Noticeably decreases eye fatigue, dryness, and irritation during screen use.
- Low Color Distortion: Optimized material purity ensures a natural viewing experience without excessive yellowing.
- Dual-Protection Layer: Combines material-based absorption with surface-based reflection for maximum efficacy.
- Enhanced Contrast: Improves visual clarity and text definition on digital displays.
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Customization
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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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Frequently Asked Questions (FAQ)
- Q: Why do your lenses look clearer than other blue-cut lenses?
- A: We use high-purity monomers that avoid the "yellow base" effect, focusing reflection on the precise blue-violet spectrum.
- Q: Does this block the "good" blue light?
- A: No. Our filter is selective, allowing blue-turquoise light (above 460nm) to pass.
- Q: Can these be used for driving at night?
- A: Yes. They help reduce glare from LED headlights, though they are primarily designed for digital screen use.
- Q: Is the blue cut feature permanent?
- A: Yes. Since the protection is built into the material and the coating, it will last for the life of the lens.
- Q: Do these lenses have UV protection?
- A: Absolutely. All our Blue Cut lenses include 100% UV400 protection.
- Q: Are they available in high prescriptions?
- A: Yes, we offer Blue Cut technology in indices up to 1.74.
- Q: Can I combine this with Photochromic technology?
- A: Yes, we offer "Blue Cut + Photochromic" combo lenses.
- Q: How do I test the blue cut effect?
- A: You can use a blue light laser pen test; the lens will block the beam significantly.
- Q: Will these help with my headaches after work?
- A: Most users report a significant reduction in tension headaches caused by "Computer Vision Syndrome."
- Q: Do these lenses have an anti-reflective coating?
- A: Yes, they come standard with a multi-layer green or blue HMC coating.
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. |
