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Product Introduction
Optical Convergence: The Geometry of Precision Aspheric Single Vision
The Precision Aspheric Single Vision lens is the result of merging classical optical theory with modern computational geometry. For decades, spherical lenses were the industry standard, but they suffered from inherent optical flaws—most notably, peripheral aberration and the "fish-bowl" distortion effect at higher powers. Our precision aspheric series utilizes a non-spherical surface profile that gradually flattens from the center toward the edges. This complex curvature is calculated using proprietary algorithms that optimize the lens for the specific refractive index of the material. By neutralizing peripheral astigmatism, we provide the wearer with a much larger "sweet spot" of clear vision, allowing for natural eye movement without the blur associated with looking through the edge of a standard lens. Beyond the optical benefits, the aspheric design offers significant aesthetic advantages. It allows the lens to be thinner and flatter, reducing the unsightly magnification of the wearer's eyes (in hyperopia) or the minification effect (in myopia). This results in a more natural facial profile and a lens that fits more securely and attractively in modern, shallow, or high-fashion frames. Each lens is produced via high-precision casting or digital surfacing, ensuring that the finished product meets a tolerance of ±0.01 diopters. When combined with our ultra-clear resin and premium anti-glare coatings, the Precision Aspheric Single Vision lens offers a visual experience that is as close to natural sight as possible, making it the essential choice for patients who prioritize both high-fidelity vision and sophisticated aesthetics.
Specification
| Surface Design | Optimized Aspheric Geometry |
| Optical Tolerance | ±0.01 Diopters |
| Center Thickness | Reduced by 10-15% vs. Spherical |
| Material Range | 1.56, 1.60, 1.67, 1.74 Index |
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
- Mild to high myopia and hyperopia correction
- Wearers seeking a more natural eye appearance
- Fashion-forward frames requiring flat lens profiles
- Daily use for driving, reading, and digital work
Advantage
- Minimized peripheral blur and distortion
- Thinner and lighter than standard spherical lenses
- Reduced "bug-eye" effect for high prescriptions
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Customization
Customized For Your
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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
Frequently Asked Questions (FAQ)
- Q: What is the main benefit of an aspheric lens?
- A: It provides a flatter, thinner profile and clearer peripheral vision.
- Q: Does it feel different to wear?
- A: Most users find it more comfortable because it is lighter and has less distortion.
- Q: Is there an adaptation period?
- A: Adaptation is usually instantaneous for single-vision users.
- Q: Can I get these in high index?
- A: Yes, aspheric designs are standard for our 1.67 and 1.74 lenses.
- Q: Does it help with night driving?
- A: Yes, by reducing peripheral aberrations and glare.
- Q: Are these lenses more expensive?
- A: They are slightly more than spherical but offer much better value in performance.
- Q: Can they be tinted?
- A: Yes, they can be tinted or made into polarized lenses.
- Q: Is the coating standard?
- A: Yes, they come with our Super Hydrophobic Multi-Coating.
- Q: Are they good for reading?
- A: Excellent, as they provide a wide, stable field for text.
- Q: Do they fit in any frame?
- A: Their flat profile makes them highly versatile for most frame styles.
Payment and Shipping Policy
- Payment: T/T (Telegraphic Transfer), L/C, or Credit Line for established distributors.
- Shipping: Standard Air Express (UPS/DHL) for RX orders; Sea Freight for bulk orders.
- Packaging: Premium vacuum-sealed individual envelopes to protect the photochromic layer.
- Lead Time: 15-20 days due to the precision required for casting and coating.
Comprehensive Business Information
| MOQ | 50 Pairs |
| Lead Time | 15-20 Days |
| Packaging | Reinforced moisture-proof export cartons. |
| Certifications | FDA, CE, ISO9001. |
| Raw Materials | Advanced High-Refractive Monomer. |
| Customization | Specific base curves and custom coating tints. |
