Polycarbonate has a good amount of flexibility. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. The real winners are materials such as Trivex, CR-39 and Crown Glass. Weight. Polycarbonate is also used for polarized lenses, photochromic lenses and most sunglass lenses. However, polycarbonate is 10% thinner than Trivex. Trivex. However, to most wearers, the most important choice tends to be the lens clarity. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. These are thinner and lighter than the traditional eyeglass frames. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner than glass, and nearly as strong as CR-39. The lower numbers are classified as mid-index 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. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. Trivex Lens Material vs. Polycarbonate Lenses Polycarbonate and Trivex are common lens types used for children’s eyewear, safety glasses, and sports eyewear. 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. The higher the number, the thinner and lighter the 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. Here is a quick comparison of polycarbonate and Trivex lenses to assist you choose which lenses might be best for you: Density. In 2001 a rival lens material called Trivex was developed. 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. Like the 1.61 and 1.67 high-index lenses, it has an aspheric surface, improving the wearer’s visual quality while … Thickness. Plastic Lenses (CR-39) Plastic lenses or also known as CR-39 is the most common optical lens material you will find. They can be useful if … When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. 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. If thinness is important to you, then you should consider these other two alternatives. 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. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. Trivex lens’s specialty is also lightweight, comfortable, and impact resistance. +91-9711115191 [email protected] om The cast molding process is included the same as in plastic lenses making. Trivex is the preferred alternative to polycarbonate when the lightness of your lens … Weight. In addition, Trivex also has standard UV protection. Trivex vs. Polycarbonate: A Quick Side-By-Side Comparison. 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. lenses, sport lenses and safety lenses. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. 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. 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. On the other hand, a Trivex lens is marginally thicker than a polycarbonate lens in any given prescription. Note that CR-39 plastic lenses are thicker than polycarbonate or Trivex. Both lenses have comparable impact resistance and offer 100% UVA/B protection. 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 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. Polycarbonate vs. Trivex Eyeglass Lenses Sunday, December 3, 2017 2:22:57 PM America/New_York. 2. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). Usually, 3M Safety Glasses are made by Trivex and polycarbonate lenses. Polycarbonate looked like a champ amongst lens offerings. 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 has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. TRIVEX Trivex, like polycarbonate, has superior impact resistant qualities. 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. Just like the 1.53 mid-index Trivex and 1.59 polycarbonate lenses, the 1.74 lens cannot be tinted. What are Trivex Lenses? In fact, breaking a thin polycarbonate lens would require bending it back and forth several times. In this area, Trivex wins hands-down. licensed opticians will always advise you individually on the best choice between Trivex or Polycarbonate for your kid’s eyewear lenses. trivex lenses vs polycarbonate. The material is so durable that Trivex lenses are made exceptionally thin. How They Are Made. Hopefully these facts arm you with a bit more information about the qualities – and distinctions – of Trivex and polycarbonate lenses. Trivex Lenses: Is a relatively new material that is similar to polycarbonate lenses but with higher quality optics, and thus provides clearer vision. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. 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. Polycarbonate Lenses. Trivex Lenses vs polycarbonate lenses. I have always heard that Costa glass lenses (580g) are clearer than their polycarbonate lenses (580p). 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. Additionally, Trivex is commonly used as a lens material because of its high-velocity impact and has been increasing in application and market availability. 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. 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. Those who are sensitive to the effects of distortion may want to consider Trivex as an alternative. 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). 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. Our A.B.O. Believe it or not, polycarbonate was first discovered almost 120 years ago by German scientist Alfred Einhorn. 1. Polycarbonate vs. Trivex Lenses: A Quick Comparison. It’s unavailable as a polarized or photochromic lens. Polycarbonate also suffers from an Abbe value of only 30, meaning lens distortion can be a factor for some. Yet its specific gravity made it the lightest of any lens material. Trivex has a slightly lower refractive index (1.53 compared to 1.59). Trivex Lenses. Not a huge difference, but, to some, these things matter – with polycarbonate lenses coming in around 10% thinner. Everything that I'm finding is that Trivex is at a 1.53 compared to 1.58 Poly. 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 is stronger, lighter and more impact resistant than polycarbonate, making it the perfect lens for outdoor adventures. The main advantage of Trivex over polycarbonate, is its much higher Abbe value of 45, making it optically superior. Trivex became the only material to pass the FDA impact resistance test as a lens material besides polycarbonate in 2001. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. A 36-year-old member asked: are polycarbonate lenses helpful? Trivex Lenses. Trivex lenses were created by PPG Industries to be a direct competitor to polycarbonate lenses. Trivex lenses ($200 for single vision, $400 for progressives) are more scratch-resistant than either CR-39 or polycarbonate lenses. However, some people complain that polycarbonate lenses fail to give them the crispest, clearest vision. 51 years experience Ophthalmology. 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. Dr. Richard Bensinger answered. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. Polycarbonate or Trivex are the most protective eyeglass frmaes. Trivex Lenses vs polycarbonate lenses. Opticians recommend these types of plastics because of their UV protection and high-impact resistance. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. When to Use Polycarbonate. Trivex is an improvement over Polycarbonate. It was not until 1953 that research began to commercialize the material. 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