trivex vs polycarbonate reddit

Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. Trivex will be a more optically clear lens and with your astigmatism will be more important. Press question mark to learn the rest of the keyboard shortcuts. The top to bottom measurement of that frame is probably 30-34mm. Polycarbonate vs. Trivex Lenses: A Quick Comparison.

Ps. With Phoenix (Trivex) lenses, you don’t have to sacrifice visual quality. Trivex has many benefits lending to its recent popularity. The big advantage of Trivex over polycarbonate is its better optical quality, which means your vision is sharper. How does Trivex compare to polycarbonate? NXT lenses can be most closely compared to glass or mineral lenses when it comes to offering superior optical quality. Optical clarity (central). Because of less internal stress, Trivex produces a clear central vision than polycarbonate. Trivex will be $50 more, and I've heard some people actually have problems with Polycarb. Polycarbonate. Other opticians claiming poly is garbage and being dramatic about how terrible it is has always been a red flag to me that they're a terrible optician. This absorbed energy causes cleavage of covalent bonds which initiates the photo-aging process. Was ist schusssicheres Polycarbonat-Glas? Gewicht. Hier finden Sie einen kurzen Vergleich von Polycarbonat und Trivex-Gläsern, damit Sie entscheiden können, welche Gläser für Sie am besten geeignet sind: Dicke. They are made out of softer plastic compounds which makes them less brittle than other lenses and, consequently, able to absorb impacts without cracking, fracturing or shattering. Polycarbonat vs. Trivex-Linsen: Ein schneller Vergleich . Both lenses are lighter and thinner than others like glass and plastic. Like the 1.61 and 1.67 high-index lenses, it has an aspheric surface, improving the wearer’s visual quality while reducing distortion of the wearer’s eyes as seen by others. For this reason polycarbonate or Trivex NXT should be the ONLY lenses material that should be used for sports sunglasses.

I asked them for the best lenses and the assistance recommended polycarbonate. Trivex will be a more optically clear lens and with your astigmatism will be more important. Trivex is a material developed in the 1990s originally for military use. It has better optics than poly and doesn’t scratch as easily, while still being impact and shatter resistant. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. If you come to Spyglass you will hear about Trivex lenses…a lot. Ultraviolet treatment uses a dye to tint glasses to block harmful UV rays. High-Index. In 2001 a rival lens material called Trivex was developed. Trivex vs. Polycarbonate: A Quick Side-By-Side Comparison. High-index vs. polycarbonate: which is clearer? The reaction can be propagated via side chain oxidation, ring oxidation or photo-Fries rearrangement. Im getting them from a business called freeprescriptonlenses. Multifocals and progressive lens varieties are available in polycarbonates. Aspheric Lenses: Design gives several advantages to eyeglass lenses. be lighter but poly would be thinner and it would be better for the patient to go with a high index material anyway. Polycarbonate vs. Trivex History Polycarbonate: This material was developed during the “space race” of the late 1960’s. Trivex and Polycarbonate lenses are the two best choices for your child’s eyeglasses frames, sunglasses, and protective sports eyewear.

Ps. Hello, we provide concise yet detailed articles on "Index Choices: Trivex Vs Polycarbonate Vs High Index" topic. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Trivex lenses vs. Polycarbonate Eyeglass Lenses. In fact, Trivex is the lightest weight lens material available. The majority of your Rx is your astigmatism which at axis ~180 means all the thickness will be vertical. The impact resistance of Trivex is comparable to Polycarbonate. Trivex lenses are composed of a urethane-based monomer that has lower specific gravity than polycarbonate and is 10% lighter as a result. Trivex is just as impact resistant as polycarbonate and may also be prescribed for children’s lenses, sport lenses and safety lenses. Polycarbonate vs. Trivex eyeglass lenses By Gary Heiting, OD When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. Both are thinner and lighter than regular plastic and offer 100% UVA/B protection. So if you’ve got your eye on that style, we strongly recommend Trivex. If you are looking for more variety in terms of design, the range is wider in polycarbonate lenses. Monday, January 14, 2019 Eyeglasses Lens With Best CoatingWhen the safety of eye is concerned, both Trivex and polycarbonate are the best choices for all types of eyewear. 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. Click on lens type to jump to its features → 1.74, 1.67, 1.60, 1.58, 1.53, 1.50. I found some excellently written and highly informative information that will be helpful to anyone shopping for lenses. By 1978 the first single vision ophthalmic lenses were being produced. 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. Technology is evolving, and like any new material that appears, trivex lenses bring an addition to the older polycarbonate eyeglass lenses. Otherwise a real optician would have been able to easily explain this. 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. In most cases, there is no wrong choice here. And yes trivex is a higher refractive index meaning the lens is thinner than a traditional poly. Dabei gibt es zwei unterschiedliche Konstruktionsprinzipien. The only negative to Trivex versus polycarbonate is the lower index of refraction (1.53 vs 1.58) which means Trivex lenses will be slightly thicker than polycarbonate. Trivex has many benefits lending to its recent popularity. The real winners are materials such as Trivex, CR-39 and Crown Glass. Believe it or not, polycarbonate was first discovered almost 120 years ago by German scientist Alfred Einhorn. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Trivex vs Polycarbonate. Just like the 1.53 mid-index Trivex and 1.59 polycarbonate lenses, the 1.74 lens cannot be tinted. Trivex hands down. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. Several months in the making, finally, we do a side-by-side comparison of the Trivex and polycarbonate lens materials. Trivex will be a more optically clear lens and with your astigmatism will be more important. Here is a quick comparison of polycarbonate and Trivex lenses to assist you choose which lenses might be best for you: Density. Sphere: Plano Cyl: -3.75 Axis: 180. How They Are Made. The impact resistance of … However, unlike polycarbonate, Trivex has an Abbe value of 45, making it optically superior. Zenni offers shatter-resistant polycarbonate and trivex lenses at slightly higher prices than its lowest-priced glasses. Polycarbonate molecules (such as the aromatic ring) absorb UV radiation. It was developed in 2001 by PPG Industries as an alternative to polycarbonate. We’ll lay out the facts and attempt to put the question to rest. Be cause of its clarity, durability, ultra-lightweight properties, and resistance to chemicals, Trivex is used in production for helicopter and fighter jet canopies As a result of the success in military aircraft platforms, this high-quality material was brought to the eyewear industry in the early 2000s. Polycarbonat hingegen wird durch Beschichtung oder das Laminieren mit Glas UV-geschützt. Let's compare and contrast the two based on their primary qualities. Cookies help us deliver our Services. I would go with trivex just from a visual quality since poly doesn't do well for me.

Join. The guy is legit and has plenty of videos of himself grinding and fitting lenses and he does it on request for you. Weight. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. Trivex is lighter in weight than standard plastic but not quite as thin as polycarbonate. Poly is last choice in most circumstances in my office. The majority of your Rx is your astigmatism which at axis ~180 means all the thickness will be vertical. The one who wins is you. With Phoenix (Trivex) lenses, you don’t have to sacrifice visual quality. When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. Trivex Polycarbonate 1.60 index 1.67 index Human eye 59/59 56 45 30 42 32 45 Eyecare professionals have long sought to understand the exact nature of the vision-degrading effects of low Abbe value, and how they can calculate at what point Abbe will have a negative impact on a person’s acuity or contrast sensitivity. Hard to say, considering I haven't counted poly lenses for a full wheel and another full wheel of Trivex lenses but the poly does seem to edge easier on the machines. by admin | Feb 4, 2017 | Lens Options and Materials. Poly had a worse abbe value meaning the color aberration is higher and trivex is clearer. In general Trivex performs similarly to polycarbonate in terms of their weight, durability index and UV protection. Polycarbonate. Once a patient gets to a very high Rx then maybe Trivex might (might!) Polycarbonate Lenses. They are made out of softer plastic compounds which makes them less brittle than other lenses and, consequently, able to absorb impacts without cracking, fracturing or shattering. Trivex is more impact resistant than high index plastic, making it a much better choice for safety glasses or other types of glasses that need to meet certain impact requirements. 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 biggest pro compared to polycarbonate is Trivex’s Abbe value. Let’s discuss the benefits of Phoenix versus polycarbonate. Posted on September 6, 2013 by adveyecarecnter. Like polycarbonate, Trivex is considered a mid-index material and has inherent UV protection. Polycarbonate vs Trivex vs 1.60 vs 1.70 vs 1.74 Lenses. Trivex lenses are made from a urethane-based monomer. It was not until 1953 that research began to commercialize the material. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. You will notice little to no difference at all in thickness between poly and trivex. This makes it a good choice for rimless glasses, because drilling holes into the lenses won’t create hairline cracks like with polycarbonate. In most cases, there is no wrong choice here. be lighter but poly would be thinner and it would be better for the patient to go with a high index material anyway. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than 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. Or is risking a little bit of edge thickness worth the clarity? Trivex vs. Polycarbonate. Trivex vs. Polycarbonate. Poly is also much easier long term on your grinding wheel or blade from what I've been informed when I worked in a lab and from when I bought my edger. These lenses are much lighter and thinner than regular glass or CR-39 plastic. In … It covers the same prescription range as the 1.57 polycarbonate composite and 1.53 Trivex lenses, -4.00/+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. One thing that hadn't been mentioned is aberration value. Trivex has the same advantages as polycarbonate such as 100% protection against UV and superior impact strength. 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. Press question mark to learn the rest of the keyboard shortcuts. If you're going to be racing, hiking, or running, you don't want to feel the sunglasses on your face. Weight. Thanks. Trivex is lighter than polycarbonate lenses due to lower specific gravity. Trivex is a more rigid material, making it a better selection for rimless or drill mount frames. Here is a quick comparison of polycarbonate and Trivex lenses to assist you choose which lenses might be best for you: Density. Polycarbonate Lenses vs Trivex Lenses What are polycarbonate lenses? Der Erfinder hierfür: SiLATEC . Poly and Trivex: Facts and Fiction Even though Trivex has been available for years and polycarbonate for decades, there is still much debate, confusion and even long-held myths about how Trivex and polycarbonate stack up against one another. While it’s slightly lighter than polycarbonate, it also has a slightly lower index of refraction. Trivex Lenses vs polycarbonate lenses. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. What follows is a side by side comparison of the two lens materials to determine how they weigh up against one another. That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. The DR I spoke to sent me to the ER then we saw our normal vet the next day who did emergency surgery or a strangulated hernia and she's now fine. Trivex is an improvement over Polycarbonate. When you find the article helpful, feel free to share it with your friends or colleagues. Weight-wise, Trivex lenses are lighter than polycarbonate ones, but in terms of thickness, polycarbonate ones are thinner. The information here is sourced well and enriched with great visual photo and video illustrations. The majority of your Rx is your astigmatism which at axis ~180 means all the thickness will be vertical. Both the lenses have UV protection. Trivex vs. Polycarbonate December 28, 2010. These lenses are much lighter and thinner than regular glass or CR-39 plastic. I would definitely recommend trivex over poly as well. 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. The thickness of individual material. 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. Trivex also has a higher tensile strength. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. Thickness: Polycarbonate lenses have a higher index of refraction than Trivex lenses, but not by much (1.58 vs 1.53). 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. Let’s discuss the benefits of Phoenix versus polycarbonate. For starters, here are the statistics for each format: TRIVEX. Also, it’s the second most impact-resistant lens available, just down a notch on impact resistance from the 1.53 Trivex lens, making it a good, less-expensive alternative for rimless, children’s, and sports eyeglasses. These are thinner and lighter than the traditional eyeglass frames. Polycarbonate vs. Trivex Lenses: A Quick Comparison. Sphere: -1.25 Cyl: -2.75 Axis: 173. My opinion on Trivex vs poly has generally been that 99% of the time the difference is going to be negligible to the patient and the only real difference is going to be in the lab work. In 1970, polycarbonate was refined from a brownish tint into a clear material used today in many safety glasses. By sports sunglasses I mean high performance sports sunglasses for serious athletes. Some people like to have a bit more technical information and history about what they are wearing. It’s unavailable as a polarized or photochromic lens. Trivex lenses: the low-down. Polycarbonate and Trivex lenses provide greater impact resistance than lenses made out of other materials. By using our Services or clicking I agree, you agree to our use of cookies. Thing is I already have the frames haha. Polycarbonate is a specific kind of plastic invented in 1953 by Bayer’s Dr. Hermann Schnell and General Electric’s Dr. Daniel Fox. The comparison is based on the features of Trivex and polycarbonate. The thinnest and lightest eyeglass lenses are the high-index lenses, such as 1.66 and 1.74. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. 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. 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. This is because they are made up of a urethane-based monomer, which refracts less light. Like polycarbonate, Trivex is considered a mid-index material and has inherent UV protection. Interesting video I found comparing the two materials. Posted on September 6, 2013 by adveyecarecnter. Trivex vs Polycarb. Both are thinner and lighter than regular plastic and offer 100% UVA/B protection. It’s very low specific gravity, however, can make it as lightweight as many high index materials for a lower cost. Trivex®, manufactured by PPG, is a clearer material than the industry standard polycarbonate. Trivex vs. Polycarbonate. Weight. 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. polycarbonate, Trivex also has inherent UV protection. Lenses made from Trivex are ultra-light in weight, much more resistant to cracking and breaking and have better optics than polycarbonate thanks to much better control of chromatic aberrations. It’s very low specific gravity, however, can make it as lightweight as many high index materials for a lower cost. Trivex is an improvement over Polycarbonate. Polycarbonate and Trivex lenses provide greater impact resistance than lenses made out of other materials. However, Trivex lenses have a much higher abbe value (43-45) vs. polycarbonate (abbe value 30) making it much better in optical clarity with fewer chromatic aberrations. So I've been given a choice. The tops of your frames might have a little bit of thickness with Trivex. Polycarbonate Vs Trivex: Which Lenses Are Better. Location 660 West Cherry Street North Liberty, IA 52317. We added special dyes to Trivex during the manufacturing process that increases the contrast between colors making them seem brighter. Polycarbonate Vs Trivex Lenses | Which Is Perfect for Your Prescription Safety Glasses. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. The thinnest and lightest eyeglass lenses are the high-index lenses, such as 1.66 and 1.74. It was soon adapted for use in safety eyewear applications due to its superior impact resistance. Trivex Lenses vs polycarbonate lenses. With your script, I would probably recommend poly or trivex (though honestly depending on your frame choice you could probably get away just as well with CR39 plastic). 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. Optical clarity (central). Polycarbonate lenses are made by injection molding. Trivex and polycarbonate are indeed the “kissing cousins” of the safety eyewear industry, but they do have a few differences that can help you decide which one is better suited for your particular needs. Trivex and Polycarbonate lenses are the two best choices for your child’s eyeglasses frames, sunglasses, and protective sports eyewear. So here it is from the people who know. So, if this is the case, just get the cheapest option as results will be less than ideal in either material. Once a patient gets to a very high Rx then maybe Trivex might (might!) Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. Is also fun to see this as a bit of evidence that I'm not crazy for trying to think reasonably. 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. Between poly and trivex, trivex is definitely the better material. You suggest I go poly then? It was used for helmets and visors for astronauts. Polycarbonate Eyeglass Lenses Technology is evolving, and like any new material that appears, trivex lenses bring an addition to the older polycarbonate eyeglass lenses. Trivex® lenses are impact resistant and more lightweight than standard lenses. Trivex is stronger, lighter and more impact resistant than polycarbonate, making it the perfect lens for outdoor adventures. Polycarbonate and Trivex NXT® are up to 10 times more impact-resistant than glass, plastic, TAC or CR39 lenses. Polycarbonate or Trivex are the most protective eyeglass frmaes. Trivex Polycarbonate 1.60 index 1.67 index Human eye 59/59 56 45 30 42 32 45 Eyecare professionals have long sought to understand the exact nature of the vision-degrading effects of low Abbe value, and how they can calculate at what point Abbe will have a negative impact on a person’s acuity or contrast sensitivity. If you want Trivex, going with a plastic frame might be a little safer. I assume you are getting lenses online or from a box/chain store who employ sales clerks and not opticians. High-Index. I know the optical clarity is better in trivex, but I'm concered about the thickness it will have with my RX, which happens to be... Trivex will be $50 more, and I've heard some people actually have problems with Polycarb. Polycarbonate vs. Trivex Eyeglass Lenses Sunday, December 3, 2017 2:22:57 PM America/New_York. My opinion on Trivex vs poly has generally been that 99% of the time the difference is going to be negligible to the patient and the only real difference is going to be in the lab work.

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