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China Suppliers Factory 1.56 Photochromic Gray SHMC Green Coating Optical Lens for Eye Protection

Photochromic Gray lenses are innovative optical solutions designed to enhance visual comfort and protection. These lenses adapt seamlessly to different lighting conditions, remaining clear or nearly transparent indoors or in low-light environments, while automatically darkening in bright sunlight. This functionality not only provides essential shade but also shields your eyes from harmful ultraviolet rays. Manufactured with state-of-the-art photochromic materials, these lenses effectively transform to a stylish gray hue outdoors, making them an ideal choice for those seeking both functionality and fashion. As a leading supplier in China, our factory ensures top-notch quality and performance, offering you the best photochromic lens solutions on the market. Upgrade your eyewear experience with our premium photochromic lenses today!
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    Product Detail

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    Data

    Product Photochromic lens Index 1.553/1.597/1.667
    Material Resin/Acrylic/MR-7/MR-8 Abbe Value 34/42/32-33
    Diameter 65/70/72/75 Coating HMC/SHMC/Blue /Green

    Performance

    Intelligent color change

    Intelligent color change

    afanda (1)

    UV protection

    afanda (2)

    Anti reflection

    afanda (3)

    Wear resistance

    afanda (4)

    High transmittance

    Application Scenarios for Photochromic Lenses

    Photochromic Gray lenses are suitable for people who frequently travel, engage in outdoor activities, or work, such as hiking enthusiasts, sanitation workers, traffic police, etc. They can also be used for elderly people after cataract surgery, and it is recommended to wear brown lenses to reduce light stimulation.

    However, teenagers and full-time drivers may not be suitable for wearing color changing lenses, as regular color changing lenses do not change color inside the car and are more suitable for using polarized sunglasses while driving.

    Photochromic Lens1

    Color is an important consideration factor

    When choosing photochromic lenses, color is an important consideration factor. The common colors of color changing lenses are gray, brown, and green, with gray and brown being the most commonly used.

    Gray lenses:

    Can effectively absorb infrared rays and block 98% of ultraviolet rays. Observing objects through gray lenses, the natural color of the object will not change, but the overall tone will darken and the light intensity will be significantly reduced, providing a more realistic and natural visual experience.

    Photochromic Lens2

    Tea colored lenses:

    Can fully absorb ultraviolet rays and effectively filter blue light, thereby improving visual contrast and clarity, bringing a brightening effect. It is particularly suitable for wearing in poor air quality or foggy environments, and can be considered the preferred choice for drivers.

    Photochromic Lens3

    Advantages of photochromic lenses

    UV420 Photochromic Gray Lens:

    • 100% blockage of harmful UV rays.
    • Diminishing damage from strong sun ray and restoring image accuracy.
    • Light intelligent lenses automatically adapt to changing light conditions.
    • Anti-Reflection Coating and spin coating process.
    Photochromic Lens4

    How is spin coating technology implemented:

    The discoloration factor is uniformly applied to the substrate surface at high speed，No matter how high the degree, each area is guaranteed to change color completely evenly.

    Advantages of spin coating process:

    Spinning coating process is the most advanced technology at present，discoloration dye is applied to the surface of the lens (above the substrate) by spin coating technique, to form a discoloration layer.The color change layer has strong adhesion, high firmness, and more uniform and stable color change.

    Frequently Asked Questions

    Q1: Who are photochromic lenses recommended for?
    Photochromic Gray lenses are highly recommended for individuals who frequently transition between indoors and outdoors, such as hikers, sanitation workers, and traffic police. They are also beneficial for elderly patients recovering from cataract surgery.
    Q2: What is the difference between Gray and Tea-colored photochromic lenses?
    Gray lenses reduce overall light intensity and block 98% of UV rays without changing the natural colors of objects. Tea-colored lenses block UV rays and filter blue light, which enhances contrast and clarity, making them ideal for foggy environments and driving.
    Q3: Why are standard photochromic lenses not recommended for driving?
    Regular photochromic lenses require direct UV exposure to trigger the color change. Since car windshields block most UV light, the lenses will not darken effectively inside a car. Polarized sunglasses are a better option for driving.
    Q4: What are the benefits of the spin coating process?
    The spin coating process applies the discoloration dye to the outer surface of the lens at high speeds. This ensures strong adhesion, high durability, and a completely uniform, stable color transition across the entire lens surface regardless of prescription strength.
    Q5: Do these lenses provide protection against UV rays?
    Yes, the UV420 Photochromic Gray Lenses provide 100% blockage of harmful ultraviolet rays, safeguarding your eyes from solar radiation damage and reducing glare.

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