Trivex lens material was originally developed for use by the military in helicopter windshields and fighter jet canopies. This makes eyeglasses with Trivex lenses exceptionally comfortable to wear and reduces the risk of your glasses sliding down the bridge of your nose. Weight: Despite having less material due to the thinner lens, polycarbonate sunglasses are heavier than their Trivex counterparts. The cast molding process mimics how most other plastic and high-index plastic lenses are made: a liquid monomer is poured into molds and hardened in heated ovens. Despite its benefits, it can be expensive and hard to find. These lenses were developed by PPG Industries in 2001, and are composed of a urethane-based monomer, using a cast molding process. Prices offered are lower than standard retail prices. Trivex lenses offer 100% protection from UV light, as do Polycarbonate lenses, however, they do need a scratch-resistant coating to prevent scratches. On the other hand, polycarbonate lenses have a higher index of refraction than Trivex lenses (1.58 vs. 1.53). For the best comfort, vision and appearance, it's a good idea to have anti-reflective coating applied to Trivex lenses. Thinnest lenses for high prescription. Many eye care professionals recommend Trivex and/or polycarbonate as the best lens materials for children's eyeglasses, sunglasses and sports protective eyewear. Trivex lenses excel in this regard. For the best comfort, vision and appearance, it's a good idea to have anti-reflective coating Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. Thin Trivex material enables eyeglasses that are the perfect balance of performance and comfort all within a thin lens for most prescriptions. And there’s a reason children’s cups are made of plastic: it’s more resistant to impact. All in all, though, high index plastic is a better all-around lens material that Trivex. The urethane-based pre-polymer substance would come to offer three primary benefits for eyeglass lenses, including: Pros And Cons Of Anti Glare Lenses- Long Lasting Unlike other lens materials, Trivex material blends the benefits of lightness and thinness, often resembling the thinness of a higher index lens, but weighing even less than polycarbonate. Amy Hellem is a writer, editor and researcher who specializes in eye care and other medical fields. Anti-glare Lenses Improve Your Vision 2. It's always smart to choose a lens based on its strength and safety profile — particularly for protective eyewear for kids, sports eyeglasses and sunglasses. Call Now: 281-242-5367 Can coronavirus (or a cold or the flu) cause pink eye? 1.67 High Index Lenses. Blokz ® Trivex ® is a superior impact-resistance lens that is designed for all-day wear and protection from blue light. applied to Trivex lenses. Trivex lenses are thinner and lighter than standard plastic, with excellent optical clarity and Full UV protection. This makes it a better choice for you if you have a higher prescription and need lenses that are thin and durable. In 2001, PPG Industries created a new purpose for a breakthrough plastic technology called Trivex. An anti-reflective coating is much like a laminate. Trivex lenses, which rival polycarbonate lenses as the safest lenses on the market, are made of an exceptionally clear, lightweight lens material, which translates into excellent all-day wearing comfort. How Does Anti-fog Coating Get Rid of Glasses Fog? Varilux is made by Essilor is the leading lens maker in the world, and all of the Essilor lenses we sell are made in a U.S. laboratory. Birefringence can blur vision. This is significant when it comes to mounting lenses in minimalist-design rimless frames, where small holes are drilled in the lenses to attach them to the frame. This makes  Blokz™ Trivex® the perfect choice for children who are especially vulnerable to the effects of blue light. © 2000-2021 AAV Media, LLC. Medicaid: Eligibility and Vision Benefits. But many eye care practitioners now offer Trivex lenses as an alternative to polycarbonate (or "poly") lenses. The latest model REKS sunglasses feature their new Trivex Lenses, designed to make colors pop and provide maximum “optical clarity”on the golf course. Todays modern coatings can make the surface of these lenses nearly as hard as glass. Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. They can be useful if … Learn the pros and cons of Trivex lenses. What Are Trivex Eyeglass Lenses? Trivex lenses do not have the internal stress that is associated with most polycarbonate lenses. So you can experience superior eye protection, sharp vision and lightweight comfort — all in the same lenses. Trivex and polycarbonate lenses have a lot in common when it comes to being exceptionally lightweight and impact-resistant — properties that make both lenses equally suited for safety glasses, sports glasses and other protective eyewear. Trivex lenses tend to cost more than polycarbonate or standard plastic lenses. Even though Trivex is just slightly thicker than polycarbonate lens materials, it’s lighter weight, superior optics, and structural qualities make … Progressive lenses also offer a Digital Premium package for crisp vision with MyFocal HD lenses. The slower cast molding process used to create Trivex lenses results in sharper optics than injection molding, according to PPG Industries. DALLAS – Sept. 22, 2011 – Essilor of America, the nation’s leading manufacturer of optical lenses, today unveils TREXA™, a new Trivex®-based material from Essilor that outperforms standard plastic to deliver patients enhanced visual benefits. However it all depends on the frame supporting the lenses. The Trivex lens is extremely clear, much more vivid than polycarbonate. Like polycarbonate, Trivex also has inherent UV protection. Eyeglass Lens Direct offers its line of Trivex progressive lenses. In the same Rxs, lenses with Trivex material are always thinner and lighter than CR-39 monomer due to its index, extreme impact resistance and specific gravity. have an index of refraction of 1.74.). There are four main types of plastics used to make eyeglass and sunglass lenses: plastic, Trivex, polycarbonate, and high-index plastics. Eyeglass Lens Direct - Factory Direct High Quality Replacement Eyeglass Lenses. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. 1.74 High Index Lenses. Our Plus package features ultra-thin polycarbonate lenses. Trivex lenses ($200 for single vision, $400 for progressives) are more scratch-resistant than either CR-39 or polycarbonate lenses. Anti-glare lenses save you from a surplus of reflections, which makes every detail on your environment shines with its glow- which you have by no means seen before. molds and quickly cooled. The Varilux progressives make smooth focus going from near to distance. Trivex lenses are cast molded, while polycarbonate lenses are injection molded. This one is by Silhouette International. Trivex is generally a similar cost to high index plastic. Like polycarbonate, they are thinner (by 20%) and lighter than standard plastic lenses and offer excellent impact resistance. Good for prescriptions from +/-5.00 to +/-8.00. Learn more at EyeglassLensDirect.com. (By comparison, the thinnest high-index plastic lenses available in the U.S. Although Trivex has gained many supporters, some eyecare practitioners remain hesitant to use it. By Amy Hellem; reviewed by Gary Heiting, OD. Trivex lenses are lightweight and resist cracking, making them a great choice for rimless frames. Plastic eyeglasses and sunglasses lenses It is a sturdy, high-quality, very clear plastic that works well for prescription glasses. In addition to standard Trivex®, Zenni also offers Blokz™ Trivex®. With prescriptions of this power, the reduced thickness with high-index will make-up for the increased weight. High Index Bifocals Trivex Progressive Lenses Trivex Single Vision Bifocal Lenses contain two different prescriptions in the same lens. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. What do the numbers on your eyeglass frames mean? Besides being called Trivex, the lens material is marketed under several alternative brand names by lens manufacturers, including NXT (Essilor), Phoenix (Hoya) and Trilogy (Younger Optics). The real winners are materials such as Trivex, CR-39 and Crown Glass. Trivex is known industry wide to be the superior lens material but a lot more expensive. Join our community to receive newsletters and offers. Costco has now the KS HD digital lenses.I had the digital progressive lenses 3 years ago with Crizal Coatings about 700 at the optometrist. Since children’s  eyes have not yet developed natural defenses against UV and blue light,  Blokz™ Trivex® is the protection they need to carry out all their daily activities. High heels will never be as comfortable as sneakers, and the most powerful computers will probably never be the smallest. Trivex Lens Treatments. What’s the difference between an HSA and FSA? Trivex lenses are the strongest type of lens that we offer. But they differ in how they are manufactured and other properties. Since children’s  eyes have not yet developed natural defenses against UV and blue light,  Blokz. We added special dyes to Trivex during the manufacturing process that increases the contrast between colors making them seem brighter. While Trivex has a slightly lower refractive index (1.53 compared to 1.58), it's specific gravity, 1.11g/cm3, makes it the lightest of any lens material available today. Internal stress can cause lens breakage and is often referred to as birefringence. While REKS is known more for their “unbreakable” frames in their sunglasses, they are now stepping up their game in the lens department with the new Trivex. This makes  Blokz, the perfect choice for children who are especially vulnerable to the effects of blue light. This is a measure of how likely white light is dispersed into its component colors as it passes through a lens material — an optical imperfection known as chromatic aberration. 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