3. Sandwich Pigment Encapsulation
Color pigments are locked between clear polymer layers. The pigment layer never contacts corneal tissue directly, guaranteeing zero color leaching, smooth surface texture, and maximum biocompatibility.
R&D & Material Engineering
Colored Contact Lens Technology & Materials
Discover the medical-grade precision manufacturing, pigment encapsulation, high oxygen permeability, and advanced optic designs engineered by BLMG Optical.Ltd.
Optical Quality Excellence
Advanced Lens Technology for Comfort, Safety & Visual Clarity
Every contact lens manufactured by BLMG Optical.Ltd. is engineered with Class III medical device precision. Our proprietary material selection and automated cast-molding processes ensure exceptional wearing comfort, high optical fidelity, and strict compliance for global medical regulatory standards.
Precision Molding
1. In-House Precision Mold Manufacturing
BLMG Optical.Ltd. maintains full control over mold geometry, curvature repeatability, and surface consistency. Custom mold profiles are designed around precise base curves, central thickness, optical zones, and edge bevels tailored to each OEM product specification.
Material Innovation
2. High Oxygen Permeability Polymers
We supply both premium HEMA-based hydrogels and high Dk silicone hydrogel formulations. Our advanced silicone hydrogel polymers allow higher oxygen transmission directly to the cornea, keeping eyes healthy, white, and moist during extended daily wear cycles.
Manufacturing Technologies
Key Innovations Built Into Every Lens
Our continuous investment in optical research ensures international brand owners receive market-ready colored contact lenses certified for safety and aesthetics.
4. Ultra-Smooth Edge Design
Micro-rounded lens edge profiles reduce friction between the lens edge and conjunctival eyelid tissue during blinking, promoting natural tear circulation and instant on-eye comfort.
5. Aspheric Optical Front Curve
Aspheric optical zone geometry minimizes spherical aberration across the visual field, producing sharper, crisp vision even under low-light environmental conditions.
Technical Parameters
Manufacturing Specifications & OEM Capabilities
Standard production parameters supported by BLMG Optical.Ltd. for global distribution and private labeling.
| Technical Specification | Standard Hydrogel Range | Silicone Hydrogel Range | B2B Customization Options |
|---|---|---|---|
| Water Content | 38% – 58% | 40% – 48% | Optimized per wear cycle and target climate |
| Base Curve (BC) | 8.5 mm – 8.7 mm | 8.5 mm – 8.8 mm | Custom BC available for custom OEM runs |
| Diameter (DIA) | 14.0 mm – 14.5 mm | 14.0 mm – 14.5 mm | Mini sclera (15.0mm-17.0mm) & full sclera (22.0mm) available |
| Oxygen Transmissibility (Dk/t) | 15 – 25 Dk/t | 80 – 120 Dk/t | Engineered for high-breathability daily disposables |
| UV Protection | Class II UV Filter Option | Class I / II UV Filter Option | Blocks >70% UVA and >95% UVB radiation |
| Color Printing Technology | 1 to 4 tone sandwich pad printing | High-resolution digital micro-printing | 500+ existing pattern matrix or custom customer artwork |
* All technical parameters are verified via spectrophotometric analysis, tensile strength tests, and hydration stability trials in our ISO 13485 certified quality laboratories.
Build Your Brand with BLMG Optical.Ltd. Technology
Consult with our technical engineering team to request sample kits, material documentation, or custom pattern prototyping for your region.
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