The scratch-resistant coating also enhances the strength of both Trivex and polycarbonate. Trivex vs. Polycarbonate. Both lenses have comparable impact resistance and offer 100% UVA/B protection. When aspheric curvatures are used on lenses, even more thickness and weight reduction can be achieved. Further distinguishing itself, Trivex is ideal for drill mounting, as it material properties in this respect are superior to polycarbonate. 0 thank. High index plastic’s key feature is its thinness, especially in higher prescriptions. Trivex vs high index. This is because they are made up of a urethane-based monomer, which refracts less light. Polycarbonate versus Trivex Lenses: A Quick Comparison. Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. The real winners are materials such as Trivex, CR-39 and Crown Glass. The pressure causes certain areas of the lens to become denser than others, increasing the index of refraction and causing light to … Trivex® lenses are impact resistant and more lightweight than standard lenses. Additionally, polycarbonate has the highest chromatic aberration, which is also above any other lens material. There are no scratches, Q: 1. Also, polycarbonate can be used in this way but is less resistant and sometimes break around the drill holes at mounting. Trivex lenses are lighter compared to polycarbonate lenses. Trivex also has the best optical quality and is more suitable for use in drill-mount frames. For the past many years, Roche Industry provides on-demand manufacturing services using processes like 3D printing, CNC machining, vacuum casting, injection molding, and much more. When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. As the eye has an Abbe value of around 45 – 50, Trivex’ properties are perfectly matched to the eye. This means that polycarbonate lenses are thinner than Trivex lenses. This material provides clear vision, being superior to polycarbonate. Dr. Richard Bensinger answered. It is lighter than standard plastic lens material and features the highest impact resistance of any lens material, bar none. Got a new pair of glasses with bifocals and noticed that the left bifocal is slightly tilted and at a different height than the right. Polycarbonate is even more popular because it is available in high quantity as a result of large scale production. However, these materials are often soft (can absorb energy without cracking. 1. Trivex lenses are composed of a urethane-based monomer that has lower specific gravity than polycarbonate and is 10% lighter as a result. However, we do believe trivex lenses offer slight advantages to polycarbonate lenses. When it comes to deciding on one lens material to use, you need to determine your requirements before jumping on either polycarbonate or Trivex. Most sports lenses are made of polycarbonate. That means you do not need special UV-blocking lens coating to be protected from the harmful rays of the sun. On the other hand, Trivex has a better optical superiority with an Abbe value of 45. We also offer our customers the ability to effectively and regularly outsource prototyping services to China. In fact, breaking a thin polycarbonate lens would require bending it back and forth several times. Here is what you need to know: If until now, you knew that polycarbonate is the most impact resistant, now we have newer stuff, trivex glasses with features resembling those of polycarbonate but better. Conversely, it is more suitable for use in drill-mount frames because of its high tensile strength, which makes it resistant to cracks when drilled. Polycarbonate or Trivex are the most protective eyeglass frmaes. Trivex lenses are more expensive than polycarbonate lenses. Polycarbonate does not go without drawbacks. For instance, compare the cost from the same dealer or the price of the same quantity. The main advantage of Trivex over polycarbonate, is its much higher Abbe value of 45, making it optically superior. The weight of Trivex vs. Polycarbonate Trivex lenses are lighter compared to polycarbonate lenses. $8-$900 later I decided to educate myself on lenses and found out trivex are … This difference is, however, subjective. Trivex is 90 percent more resistant to this type of induced distortion than polycarbonate. Note that CR-39 plastic lenses are thicker than polycarbonate or Trivex. The main question should always be, what the biggest priority of your lenses is. Their strength and impact resistance makes them a great option for kids’, rimless frames, sports goggles and safety glasses, or anyone who is rough on their glasses. The Difference: The key difference that sets the two materials apart however, insofar as providing an optimum eyewear experience, is that Trivex lenses have a higher ABBE LEVEL. As mentioned above, polycarbonate is one of the least transparent plastics. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! Our advise will be based on your child’s prescription, frame choice, and lifestyle. Trivex, when compared to polycarbonate, works better. That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. Whether you are a designer, engineer, industrial design agency, or a startup technology company, Roche Industry is the perfect fit for your prototyping needs. Trivex rises above polycarbonate with both its optical quality and suitability for drill mounting in theory. We’re excited to start working with you! For example, Trivex did not experience any change in weight, diameter, or clarity when submerged in containers of chemicals like acetone (a volatile, flammable liquid) for 10 days. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. Trivex became the only material to pass the FDA impact resistance test as a lens material besides polycarbonate in 2001. Trivex lenses are made from a urethane-based monomer. This is because of its lower density which keeps its relative weight lower. Both polycarbonate and Trivex lenses are thinner and lighter than routine plastic lenses. Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. Trivex is extremely shatter resistant, chemical resistant. It is a very durable and well-rounded lens material, but does it stack up to high index plastic? A quick comparison between Trivex and polycarbonate: Polycarbonate lenses are thinner than Trivex because of higher index of refraction. The best of doing this is by adding scratch-resistant materials on the surface of the lens material as a coating. If thinness is important to you, then you should consider these other two alternatives. It combines the positives of polycarbonate with higher optical quality, which makes it a step in the right direction for lens prescriptions. The difference will be less than on papers even though polycarbonate will still be more affordable than Trivex. » They are both manufactured from different compounds and are available in a wide variety of designs and models. Meanwhile, shatter resistance is also in favor of trivex. At all prescription gla… Eyeglass Tyler compares the pros and cons of two popular lens materials, Trivex and polycarbonate, to help you figure out which one is right for you. 1 doctor agrees. Categories: Articles, FAQ. Posted on September 6, 2013 by adveyecarecnter. Trivex and polycarbonate both have similar impact resistance and UV protection. The higher the number, the thinner and lighter the lens. The lower numbers are classified as mid-index lenses. All rights reserved. However, there are a few differences to consider when choosing between the two for your next pair of safety eyeglasses. With a lower index of refraction, Trivex may be slightly thicker than polycarbonate, but is lighter, and can be surfaced to the same 1mm center thickness. It was developed in 2001 by PPG Industries as an alternative to polycarbonate. This shortcoming makes it a challenge to use polycarbonate in drill-mount frames. However, there are still some heated debates, misconceptions, and confusion about how the two materials stack up against each other. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. I have. On weight, the advantage is all in favor of trivex eyeglass lens, which is lighter than polycarbonate eyeglass lens, being even the lightest and most comfortable material used in the manufacture of lenses, that due to its lower density. Our A.B.O. Polycarbonate vs. Trivex (continued) Product Comparison (continued) Birefringence Birefringence is a result of strain or stress caused by force that is applied to a lens substrate material. 1. On the other hand, a Trivex lens is marginally thicker than a polycarbonate lens in any given prescription. Other high-index materials are classified by numbers. This indicate the lenses of this material for rimless glasses, if what you want. Trivex lenses are made from a lightweight, impact-resistant material. Trivex has the impact resistance and inherent UV protection of polycarbonate. In the long run, this post aims to put the question about how Trivex and polycarbonate compare to one another to rest. Both materials are excellent choices, with a plus for trivex eyeglass lens, especially the quality of vision and resistance, but also with a higher price. Polycarbonate was originally developed for fighter jet cockpits. Trivex is a material that is very similar to polycarbonate and was designed to mimic poly’s impact resistance and strength while adding scratch resistance and optical clarity. For any given prescription, Trivex is a lighter lens than its polycarbonate counterpart. Polycarbonate is not only more affordable but also highly shatter resistant, which makes it ideal for use in safety and sports eyewear. Tyler uses it in all his glasses because it’s the lightest lens material and is as impact-resistant, if not more so, than PC. This feature is impacted by a higher refraction index and lower specific gravity. Trivex is a more rigid material, making it a better selection for rimless or drill mount frames. Polycarbonate Eyeglass Lenses Technology is evolving, and like any new material that appears, trivex lenses bring an addition to the older polycarbonate eyeglass lenses. These are thinner and lighter than the traditional eyeglass frames. licensed opticians will always advise you individually on the best choice between Trivex or Polycarbonate for your kid’s eyewear lenses. A higher Abbe value due to less chromatic aberration, Trivex offers sharper peripheral … However, this can change drastically depending on the type of coating used on individual material. Trivex is also much more resistant to chemicals than polycarbonate. The glasses I'm using currently are hi-index plastic and while it's ok, it doesn't feel, Q: Please help. Trivex and polycarbonate have been in existence for ages. Trivex is just as impact resistant as polycarbonate and may also be prescribed for children’s lenses, sport lenses and safety lenses. Polycarbonate also has a high likelihood of cracking when drilled because it has a low tensile strength. Q: I want to get plastic lenses because of the high abbe value. Trivex and Polycarbonate lenses *naturally block* 100 percent of the sun’s UV rays without the need for special UV-blocking lens coatings. trivex lenses vs polycarbonate. 0 comment. Like on Facebook. 0. Eyeglass Lenses Rocheindustry specializes in high quality rapid prototyping, rapid low-volume manufacturing and high-volume production. Polycarbonate and Trivex do not occur naturally. Other specifications like protection from direct UV rays make polycarbonate ideal for use in lenses. Trivex also has a higher tensile strength. Excessive external pressure placed on the lens causes light to be double or multiply refracted. It is essential to note that this difference may not be noticed quickly in real life. However, polycarbonate is 10% thinner than Trivex. acetone) while polycarbonate eyeglass lens is not. Tags: … Trivex is a great alternative to polycarbonate lenses. Trivex is lighter than polycarbonate lenses due to lower specific gravity. Trivex is lighter in weight than standard plastic but not quite as thin as polycarbonate. UV Protection—Trivex offers outstanding UV protection, blocking 100 percent of UV rays all the way to 395 nanometers, well beyond ANSI standards. In most cases, polycarbonate lenses lack optical quality because they possess less clarity and transparency, like other forms of plastic such as acrylic and Trivex. Trivex vs polycarbonate: What are the Differences? The flexibility of polycarbonate and Trivex means that they require protection from scratches. However, Trivex has a lower refractive index and is, therefore, slightly thicker and lighter than polycarbonate. Because of less internal stress, Trivex produces a clear central vision than polycarbonate. In fact, the two lens materials possess the same resistance to impact. read this article we found about eye glass lenses: Even though Trivex has been available for a while now, there is still much debate and confusion about how Trivex and polycarbonate stack up against one another. All rights reserved. You have two options, trivex lenses and polycarbonate eyeglass lenses if you want impact resistant and comfortable lenses with UV protection for your eyes. There is also Trivex now, quickly becoming an industry darling. Additionally, Trivex is commonly used as a lens material because of its high-velocity impact and has been increasing in application and market availability. Refractive Index Trivex lens material has a 1.53 index of refraction. This means that annoying chromatic aberrations are a thing of the past. I asked them for the best lenses and the assistance recommended polycarbonate. Additionally, polycarbonate has a higher chromatic aberration with an Abbe value of 29. Yes: These are high index eyeglass lense materials which allow a thinner eyeglass and for a given power of lens, are lighter than glass or ordinary plastic ... Read More. 0. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner … The services of rapid prototype we providing are professional Engineering, CNC Machining including CNC Milling and Turning, Sheet Metal Fabrication or Sheet Metal Prototyping, Die casting, metal stamping, Vacuum Casting, 3D printing, SLA, Plastic and Aluminum Extrusion Prototyping, Rapid Tooling, Rapid Injection Moulding, Surface Treatment finish services and other rapid prototyping China services please contact us now. @@Trivex is thinner and lighter than CR39. © Roche Industry 2021. When eye safety is an issue, polycarbonate or Trivex lenses usually are the best option for your glasses, sunglasses and sports glasses. 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. Copyright © 2020 Perfect-Eyeglasses-Guide.Com. However, these differences are only notable on papers. Both materials are excellent choices, with a plus for trivex eyeglass lens, especially the quality of vision and resistance, but also with a higher price. The one who wins is you. As noted above, both polycarbonate and Trivex have similar impact resistance, which is also higher than other forms of plastic. Trivex. Both materials are an outstanding choice when it comes to prescription and non-prescription safety glasses. A 36-year-old member asked: are polycarbonate lenses helpful? Trivex eyeglasses are more expensive as anything is new and better. Both polycarbonate and Trivex have high resistance to impact. » However, users are advised to conduct their homework well and put the material through their tests to determine if it is suitable for particular uses. Both materials are lighter, thinner and more resistant, than plastic and glass of course, so suitable for activities requiring eye protection against impact: Trivex is better in terms of optical quality. I am now on my third eyeglasses that are showing machine like even crackling scratches INSIDE the lenses themselves. Polycarbonate was first introduced to the optical world in the late ’70s as an ophthalmic lens. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. Both polycarbonate and Trivex offer 100% protection against UV rays. If you have the knowledge or experience that others would want, you can do the same and create a website from scratch about your hobby, using the right tools.