Both lenses have comparable impact resistance and offer 100% UVA/B protection. Polycarbonate looked like a champ amongst lens offerings. 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. Trivex. In addition, Trivex also has standard UV protection. Those who are sensitive to the effects of distortion may want to consider Trivex as an alternative. Just like the 1.53 mid-index Trivex and 1.59 polycarbonate lenses, the 1.74 lens cannot be tinted. Polycarbonate has a good amount of flexibility. Trivex Lenses: Is a relatively new material that is similar to polycarbonate lenses but with higher quality optics, and thus provides clearer vision. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner than glass, and nearly as strong as CR-39. Like polycarbonate, they are thinner (by 20%) and lighter than standard plastic lenses and offer excellent impact resistance. Trivex Lenses vs polycarbonate lenses. In 2001 a rival lens material called Trivex was developed. However, polycarbonate is 10% thinner than Trivex. Weight. How They Are Made. 1. +91-9711115191 [email protected] om 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. Believe it or not, polycarbonate was first discovered almost 120 years ago by German scientist Alfred Einhorn. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. Not to mention, Trivex resistance to stress and cracking makes for a durable lens material when it comes to combatting the normal wear and tear sunglasses experience in everyday life. 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. They can be useful if … licensed opticians will always advise you individually on the best choice between Trivex or Polycarbonate for your kid’s eyewear lenses. The real winners are materials such as Trivex, CR-39 and Crown Glass. Plastic Lenses (CR-39) Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Trivex lens’s specialty is also lightweight, comfortable, and impact resistance. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. 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. Dr. Richard Bensinger answered. Trivex has a slightly lower refractive index (1.53 compared to 1.59). 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. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. Weight. Polycarbonate Lenses. 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. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. In fact, breaking a thin polycarbonate lens would require bending it back and forth several times. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! What are Trivex Lenses? Usually, 3M Safety Glasses are made by Trivex and polycarbonate lenses. TRIVEX Trivex, like polycarbonate, has superior impact resistant qualities. The lower numbers are classified as mid-index lenses. 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. On the other hand, a Trivex lens is marginally thicker than a polycarbonate lens in any given prescription. Trivex Lenses. Our A.B.O. Not a huge difference, but, to some, these things matter – with polycarbonate lenses coming in around 10% thinner. Polycarbonate vs. Trivex Eyeglass Lenses Sunday, December 3, 2017 2:22:57 PM America/New_York. It was not until 1953 that research began to commercialize the material. lenses, sport lenses and safety lenses. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. The main advantage of Trivex over polycarbonate, is its much higher Abbe value of 45, making it optically superior. In this area, Trivex wins hands-down. Trivex Lenses vs polycarbonate lenses. If thinness is important to you, then you should consider these other two alternatives. 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. That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. Trivex became the only material to pass the FDA impact resistance test as a lens material besides polycarbonate in 2001. Trivex Lens Material vs. Polycarbonate Lenses Polycarbonate and Trivex are common lens types used for children’s eyewear, safety glasses, and sports eyewear. And note that polycarbonate lenses, which are natural UV blockers, offer 100 percent protection, as do many high-index lenses, Vitale says. Trivex lenses were created by PPG Industries to be a direct competitor to polycarbonate lenses. Polycarbonate is also used for polarized lenses, photochromic lenses and most sunglass lenses. Trivex lenses ($200 for single vision, $400 for progressives) are more scratch-resistant than either CR-39 or polycarbonate lenses. 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. Like the 1.61 and 1.67 high-index lenses, it has an aspheric surface, improving the wearer’s visual quality while … Trivex is the preferred alternative to polycarbonate when the lightness of your lens … Trivex is stronger, lighter and more impact resistant than polycarbonate, making it the perfect lens for outdoor adventures. 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. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Polycarbonate vs. Trivex Lenses: A Quick Comparison. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. Hopefully these facts arm you with a bit more information about the qualities – and distinctions – of Trivex and polycarbonate lenses. 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. Opticians recommend these types of plastics because of their UV protection and high-impact resistance. It’s unavailable as a polarized or photochromic lens. Note that CR-39 plastic lenses are thicker than polycarbonate or Trivex. Trivex is an improvement over Polycarbonate. 2. 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