Polycarbonate looked like a champ amongst lens offerings. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. Trivex. However, some people complain that polycarbonate lenses fail to give them the crispest, clearest vision. licensed opticians will always advise you individually on the best choice between Trivex or Polycarbonate for your kid’s eyewear lenses. Polycarbonate Lenses. How They Are Made. Dr. Richard Bensinger answered. A 36-year-old member asked: are polycarbonate lenses helpful? Our A.B.O. Additionally, if you have a stronger than average prescription you may wish to invest in Trivex to avoid annoying abnormalities in your daily vision, such as haloed lights or a distorted peripheral vision. Trivex Lenses vs polycarbonate lenses. Like polycarbonate, they are thinner (by 20%) and lighter than standard plastic lenses and offer excellent impact resistance. Polycarbonate vs. Trivex Eyeglass Lenses Sunday, December 3, 2017 2:22:57 PM America/New_York. Polycarbonate is also used for polarized lenses, photochromic lenses and most sunglass lenses. Weight. Plastic Lenses (CR-39) Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Trivex® tri-performance lens material by PPG is a breakthrough optical polymer that offers the impact resistance of polycarbonate with excellent optics equal to CR-39 and glass. Like the 1.61 and 1.67 high-index lenses, it has an aspheric surface, improving the wearer’s visual quality while … That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. trivex lenses vs polycarbonate. The higher the number, the thinner and lighter the lens. Trivex Lenses vs polycarbonate lenses. Just like the 1.53 mid-index Trivex and 1.59 polycarbonate lenses, the 1.74 lens cannot be tinted. 1. Thickness: Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses, but as you see in the video, the difference may not even be noticeable. When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. It was not until 1953 that research began to commercialize the material. They can be useful if … Originally used by the military for fighter jet windshields and other military applications, Trivex is famously one of the most durable materials on the market. Additionally, Trivex is commonly used as a lens material because of its high-velocity impact and has been increasing in application and market availability. Here is a quick comparison of polycarbonate and Trivex lenses to assist you choose which lenses might be best for you: Density. Trivex is stronger, lighter and more impact resistant than polycarbonate, making it the perfect lens for outdoor adventures. Everything that I'm finding is that Trivex is at a 1.53 compared to 1.58 Poly. Usually, 3M Safety Glasses are made by Trivex and polycarbonate lenses. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. Trivex became the only material to pass the FDA impact resistance test as a lens material besides polycarbonate in 2001. The refractive index of a material is a number that measures how well the material refracts and bends light, which depends on how fast light travels through the material. Trivex is the preferred alternative to polycarbonate when the lightness of your lens … 2. The CR stands for “Columbia Resin” which is the polymer that the material is made out of and the 39 means that there were 38 other “Columbia Resin’s” that didn’t make the cut for optical lenses. Polycarbonate or Trivex are the most protective eyeglass frmaes. Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. Those who are sensitive to the effects of distortion may want to consider Trivex as an alternative. However, to most wearers, the most important choice tends to be the lens clarity. Trivex Lenses. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses. Trivex Lenses. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses. The cast molding process is included the same as in plastic lenses making. Trivex is an improvement over Polycarbonate. Thickness. However, polycarbonate is 10% thinner than Trivex. Additionally, if you have a stronger than average prescription you may wish to invest in Trivex to avoid annoying abnormalities in your daily vision, such as haloed lights or a distorted peripheral vision. Trivex Lenses vs polycarbonate lenses In situations where clarity is key, you may wish to invest in Trivex lenses for their higher Abbe value, and so increased visual clarity. What are Trivex Lenses? Trivex Lens Material vs. Polycarbonate Lenses Polycarbonate and Trivex are common lens types used for children’s eyewear, safety glasses, and sports eyewear. It’s unavailable as a polarized or photochromic lens. It would seem the Trivex is only a tiny step up from basic plastic lenses (1.50) when it comes to wearing bottle caps or not. In this area, Trivex wins hands-down. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. The material is so durable that Trivex lenses are made exceptionally thin. Trivex Lenses vs polycarbonate lenses In situations where clarity is key, you may wish to invest in Trivex lenses for their higher Abbe value, and so increased visual clarity. Trivex lenses are composed of a urethane-based monomer and are made from a cast moulding process similar to how regular plastic lenses are made. Polycarbonate also suffers from an Abbe value of only 30, meaning lens distortion can be a factor for some. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). Opticians recommend these types of plastics because of their UV protection and high-impact resistance. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. And Then Came Poly Polycarbonate is still lighter, and can be made in higher index – meaning that a strong prescription lens can still be quite thin. 51 years experience Ophthalmology. +91-9711115191 [email protected] om Trivex vs. Polycarbonate: A Quick Side-By-Side Comparison. Hopefully these facts arm you with a bit more information about the qualities – and distinctions – of Trivex and polycarbonate lenses. In addition, Trivex also has standard UV protection. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner than glass, and nearly as strong as CR-39. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. Both lenses have comparable impact resistance and offer 100% UVA/B protection. However, today I was at an optical store where they said if you order 580p prescription lenses (which I do need Rx) that the polycarbonate lenses are “Trivex” (something that is not available in the non-prescription polycarbonate lenses). Trivex Lenses vs polycarbonate lenses In situations where clarity is key, you may wish to invest in Trivex lenses for their higher Abbe value, and so increased visual clarity. If thinness is important to you, then you should consider these other two alternatives. Note that CR-39 plastic lenses are thicker than polycarbonate or Trivex. Polycarbonate has a good amount of flexibility. And note that polycarbonate lenses, which are natural UV blockers, offer 100 percent protection, as do many high-index lenses, Vitale says. Trivex Lenses vs polycarbonate lenses. Trivex has a slightly lower refractive index (1.53 compared to 1.59). When to Use Polycarbonate. I have always heard that Costa glass lenses (580g) are clearer than their polycarbonate lenses (580p). Polycarbonate vs. Trivex Lenses: A Quick Comparison. In addition to standard Trivex®, Zenni also offers Blokz ™ Trivex ® Blokz ™ Trivex ® is a superior impact-resistance lens that is designed for all-day wear and protection from blue light. Trivex lenses were created by PPG Industries to be a direct competitor to polycarbonate lenses. Not a huge difference, but, to some, these things matter – with polycarbonate lenses coming in around 10% thinner. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. lenses, sport lenses and safety lenses. 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