Eyeglasses lens materials:

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Our eyeglasses lens materials:

  1. CR-39 Lenses (Plastic):
    • Highlight that CR-39 lenses, also known as plastic lenses, are lightweight and offer good optical clarity.
    • Mention their affordability and scratch resistance, making them suitable for everyday use.
    • Note that they may be thicker than other materials for higher prescriptions.
    • Read more…
  2. Polycarbonate Lenses:
    • Describe polycarbonate lenses as highly impact-resistant and lightweight, making them ideal for sports and safety glasses.
    • Highlight their superior durability and ability to block 100% of UV rays without additional coatings.
    • Note that they are thinner and lighter than plastic lenses, offering enhanced comfort.
    • Read more…
  3. Trivex Lenses:
    • Similar to polycarbonate but with better optics and a slightly higher price point.
    • It’s lightweight and impact-resistant. Lighter than plastic and polycarbonate lenses
    • Highlight their superior durability and ability to block 100% of UV rays without additional coatings.
    • Read more
  4. High-Index Lenses (1.60, 1.67, 1.74):
    • Explain that high-index lenses are designed for individuals with higher prescriptions, offering thinner and lighter options.
    • Differentiate between various indices (1.60, 1.67, 1.74), highlighting their increasing thinness and reduced lens magnification.
    • Emphasize their improved aesthetics and compatibility with different prescriptions and lens designs.
    • High-index 1.60 Read more…
    • High-index 1.67 Read more…
    • High-index 1.74 Read more…
  5. Glass Lenses:
    • Note that glass lenses provide exceptional optical clarity and scratch resistance.
    • Mention their durability and resistance to environmental factors like heat and chemicals.
    • Caution about their weight and safety concerns due to the risk of shattering upon impact.

Plastic (CR-39) lenses, Abbe Value: 58, often referred to as CR-39 lenses, are made from a lightweight plastic polymer called allyl diglycol carbonate. Here are some key characteristics of CR-39 lenses:

  1. Lightweight: CR-39 lenses are lighter than glass lenses, making them more comfortable to wear, especially for individuals who are sensitive to the weight of their glasses.
  2. Optical Clarity: These lenses provide good optical clarity, offering clear vision for everyday use.
  3. Affordability: CR-39 lenses are typically more affordable compared to other lens materials such as high-index or polycarbonate lenses, making them a popular choice for budget-conscious individuals.
  4. Customization: They can be easily tinted or coated to provide additional features such as UV protection, anti-reflective coating, or scratch resistance.
  5. Durability: While CR-39 lenses are not as impact-resistant as polycarbonate or Trivex lenses, they still offer reasonable durability for everyday wear. However, they may scratch more easily than some other materials.
  6. Prescription Range: CR-39 lenses are suitable for a wide range of prescriptions, including mild to moderate corrections. For stronger prescriptions, higher-index lenses may be recommended to reduce lens thickness and weight.
  7. Compatibility: These lenses can be used for various types of eyewear, including single-vision, bifocal, and progressive lenses.

Overall, CR-39 lenses are a practical choice for individuals seeking lightweight, affordable, and optically clear lenses for their eyeglasses. However, if you have specific requirements such as a high prescription or a need for increased impact resistance, you may want to explore other lens materials like polycarbonate or high-index plastics.

Trivex Abbe Value: 43-45, is a lightweight, impact-resistant lens material commonly used in eyeglasses. It was developed by PPG Industries, a global supplier of paints, coatings, and specialty materials. Trivex lenses are known for their clarity, durability, and resistance to shattering, making them an excellent choice for safety glasses, sports eyewear, and children’s eyewear.

Here are some key characteristics and advantages of Trivex lens material:

  1. Impact Resistance: Trivex lenses are highly impact-resistant, making them suitable for activities where eye protection is crucial, such as sports and construction work. They offer similar impact resistance to polycarbonate lenses but with better optical clarity.
  2. Lightweight: Trivex lenses are lightweight, which can increase comfort, especially for individuals who wear their glasses for extended periods.
  3. Clarity: Trivex lenses provide excellent optical clarity, offering sharp and clear vision without distortions. This clarity can enhance visual acuity and reduce eye strain.
  4. Thin Profile: Trivex lenses can be manufactured with thin profiles, making them aesthetically appealing, particularly for higher prescriptions where thick lenses may be a concern.
  5. UV Protection: Like many other lens materials, Trivex lenses can be formulated to provide UV protection, helping to shield the eyes from harmful ultraviolet radiation.
  6. Chemical Resistance: Trivex lenses are resistant to many chemicals, oils, and solvents, which can help prolong their lifespan and maintain their optical properties.
  7. Less Prone to Lens Warping: Trivex has a lower coefficient of thermal expansion compared to some other lens materials, meaning it is less likely to warp in extreme temperatures.

Overall, Trivex is a versatile lens material suitable for a wide range of applications, from everyday eyewear to specialized safety glasses. Its combination of impact resistance, lightweight design, and optical clarity has made it a popular choice among eyewear manufacturers and consumers alike.

Polycarbonate lenses, Abbe Value: 30-32 are a popular choice for eyeglasses due to their unique properties. Here are some key characteristics of polycarbonate lens material:

  1. Impact Resistance: Polycarbonate lenses are highly impact-resistant, making them an excellent choice for safety glasses, sports eyewear, and children’s glasses. They are much less likely to shatter upon impact compared to glass or regular plastic lenses, providing enhanced eye protection.
  2. Lightweight: Polycarbonate lenses are significantly lighter than glass lenses, which contributes to greater comfort, especially for individuals who wear their glasses for extended periods.
  3. Thin Profile: Despite their high impact resistance, polycarbonate lenses can be manufactured with a thin profile, making them aesthetically pleasing, particularly for individuals with higher prescriptions. This thinness reduces lens thickness, improving the appearance of the glasses.
  4. UV Protection: Polycarbonate lenses inherently block 100% of harmful UV rays without the need for additional coatings or treatments. This UV protection helps safeguard your eyes from the sun’s damaging rays, reducing the risk of conditions such as cataracts and macular degeneration.
  5. Durability: Polycarbonate lenses are highly durable and resistant to scratching, making them suitable for daily wear and activities where glasses may be subject to rough handling.
  6. Compatibility: These lenses can accommodate various types of prescriptions, including single-vision, bifocal, and progressive lenses, making them suitable for a wide range of eyeglass wearers.
  7. Cost: While polycarbonate lenses are generally more expensive than standard plastic (CR-39) lenses, they offer superior impact resistance, UV protection, and durability, making them a worthwhile investment for many individuals.

Overall, polycarbonate lenses are an excellent choice for those seeking lightweight, durable, and protective eyewear. However, it’s essential to consult with your eye care professional to determine if polycarbonate lenses are the right option for your specific needs and lifestyle.


High-index 1.60 lenses, Abbe Value: 32 are a type of lens material known for their thinness and lightness. Here are some key characteristics of high-index 1.60 lens material:

  1. Thin and Lightweight: High-index 1.60 lenses are significantly thinner and lighter than traditional plastic (CR-39) lenses. This thinness makes them aesthetically pleasing, especially for individuals with higher prescriptions, as it reduces lens thickness and minimizes the “bulging” appearance of thicker lenses.
  2. Improved Aesthetics: The thin profile of high-index 1.60 lenses offers enhanced aesthetics, providing a more natural look when fitted into frames. This can be particularly advantageous for those with stronger prescriptions, where thick lenses may distort facial features or detract from overall appearance.
  3. Reduced Lens Magnification: High-index lenses have a higher refractive index compared to standard plastic lenses, which means they bend light more efficiently. As a result, high-index 1.60 lenses reduce lens magnification, minimizing the “bug-eye” effect often associated with strong prescriptions.
  4. Comfortable Wear: Due to their lightweight construction, high-index 1.60 lenses are more comfortable to wear for extended periods, reducing pressure on the nose and ears commonly experienced with heavier lenses.
  5. Compatibility: High-index 1.60 lenses can accommodate a wide range of prescriptions, including those with moderate to high levels of nearsightedness (myopia) or farsightedness (hyperopia), as well as astigmatism.
  6. UV Protection: Like other plastic lenses, high-index 1.60 lenses can be treated with UV-blocking coatings to provide protection against harmful ultraviolet rays. However, it’s essential to confirm with your optician whether UV protection is included or requires an additional coating.
  7. Cost: High-index 1.60 lenses are typically more expensive than standard plastic (CR-39) lenses due to their advanced technology and benefits. However, many individuals find the investment worthwhile for the improved aesthetics, comfort, and visual performance.

Overall, high-index 1.60 lenses offer a balance of thinness, lightness, and optical performance, making them an excellent choice for individuals seeking enhanced comfort and aesthetics in their eyewear, particularly for higher prescriptions. As with any lens material, it’s essential to consult with your eye care professional to determine the most suitable option based on your specific needs and preferences.

High-index 1.67 lenses are another type of lens material known for their thinness and lightness. Here are some key characteristics of high-index 1.67 lens material:

  1. Thinness: High-index 1.67 lenses are significantly thinner than standard plastic (CR-39) lenses and even thinner than high-index 1.60 lenses. This thin profile makes them particularly suitable for strong prescriptions, reducing lens thickness and improving aesthetics.
  2. Lightweight: Similar to other high-index materials, 1.67 lenses are lightweight, offering increased comfort for wearers, especially for those who require higher prescriptions. The reduced weight minimizes pressure on the nose and ears.
  3. Reduced Lens Magnification: High-index 1.67 lenses have a higher refractive index than lower-index materials, such as CR-39, which means they bend light more efficiently. This results in reduced lens magnification, making them ideal for individuals with strong prescriptions who want to avoid the “bug-eye” effect.
  4. Improved Aesthetics: The thin and lightweight design of high-index 1.67 lenses enhances the overall appearance of eyeglasses, providing a more natural look when fitted into frames. This can be particularly beneficial for individuals with higher prescriptions.
  5. Compatibility: High-index 1.67 lenses can accommodate a wide range of prescriptions, including moderate to high levels of nearsightedness (myopia) or farsightedness (hyperopia), as well as astigmatism. They are suitable for various types of lens designs, including single-vision, bifocal, and progressive lenses.
  6. UV Protection: Like other plastic lenses, high-index 1.67 lenses can be treated with UV-blocking coatings to provide protection against harmful ultraviolet rays. However, it’s essential to verify with your optician whether UV protection is included or requires an additional coating.
  7. Cost: High-index 1.67 lenses are typically more expensive than standard plastic (CR-39) lenses due to their advanced technology and benefits. However, many individuals find the investment worthwhile for the improved aesthetics, comfort, and visual performance, especially for stronger prescriptions.

Overall, high-index 1.67 lenses offer superior thinness, lightness, and optical performance, making them an excellent choice for individuals seeking enhanced comfort and aesthetics in their eyewear, particularly for higher prescriptions. As always, consult with your eye care professional to determine the most suitable option based on your specific needs and preferences.

High-index 1.74 lenses are among the thinnest and lightest lens materials available. Here are the key characteristics of high-index 1.74 lens material:

  1. Exceptional Thinness: High-index 1.74 lenses are extremely thin, making them an excellent choice for individuals with very high prescriptions. They minimize lens thickness, providing a more cosmetically appealing appearance compared to lower-index lenses.
  2. Lightweight: Due to their high refractive index, 1.74 lenses are also very lightweight. This feature enhances comfort for the wearer, especially for those with strong prescriptions who may experience discomfort with thicker and heavier lenses.
  3. Reduced Lens Magnification: High-index 1.74 lenses bend light more efficiently than lower-index materials, resulting in reduced lens magnification. This helps avoid the “bug-eye” effect often associated with strong prescriptions, providing more natural-looking eyewear.
  4. Superior Optical Clarity: Despite their thinness, high-index 1.74 lenses offer excellent optical clarity and vision correction. They are capable of providing clear and sharp vision, even for individuals with significant refractive errors.
  5. Compatibility: High-index 1.74 lenses can accommodate a wide range of prescriptions, including very high levels of nearsightedness (myopia) or farsightedness (hyperopia), as well as astigmatism. They are suitable for various types of lens designs, including single-vision, bifocal, and progressive lenses.
  6. UV Protection: Like other plastic lenses, high-index 1.74 lenses can be treated with UV-blocking coatings to provide protection against harmful ultraviolet rays. UV protection is essential for maintaining eye health and reducing the risk of conditions such as cataracts and macular degeneration.
  7. Cost: High-index 1.74 lenses are typically the most expensive option among high-index materials due to their advanced technology and benefits. However, many individuals with very high prescriptions find the investment worthwhile for the improved aesthetics and comfort they provide.

Overall, high-index 1.74 lenses offer unparalleled thinness, lightness, and optical performance, making them an excellent choice for individuals seeking the thinnest and most cosmetically appealing eyewear, particularly for very high prescriptions. As always, consult with your eye care professional to determine the most suitable option based on your specific needs and preferences.


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