These lenses are much lighter and thinner than regular glass or CR-39 plastic. It was soon adapted for use in safety eyewear applications due to its superior impact resistance. Polycarbonate vs. Trivex Lenses: A Quick Comparison. It’s unavailable as a polarized or photochromic lens. 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. 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. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. Durchschusshemmendes Glas, welches aus Glas und Polycarbonat besteht, wird auch als schusssichere Polycarbonat-Verglasung bezeichnet. Click on lens type to jump to its features → 1.74, 1.67, 1.60, 1.58, 1.53, 1.50. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. High-Index. 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. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. Trivex is lighter than polycarbonate lenses due to lower specific gravity. The comparison is based on the features of Trivex and polycarbonate. Trivex® Color Boosting® lenses are the ultimate sun lens. Like polycarbonate, Trivex is considered a mid-index material and has inherent UV protection. Press question mark to learn the rest of the keyboard shortcuts. The impact resistance of Trivex is comparable to Polycarbonate. Thing is I already have the frames haha. Trivex Lenses vs 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 has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. Once a patient gets to a very high Rx then maybe Trivex might (might!) Weight. Trivex will be a more optically clear lens and with your astigmatism will be more important. Both the lenses have UV protection. The big advantage of Trivex over polycarbonate is its better optical quality, which means your vision is sharper. What follows is a side by side comparison of the two lens materials to determine how they weigh up against one another. Polycarbonate Eyeglass 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. Trivex®, manufactured by PPG, is a clearer material than the industry standard polycarbonate. I would go with trivex just from a visual quality since poly doesn't do well for me. 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. You will notice little to no difference at all in thickness between poly and trivex. Trivex lenses are made from a urethane-based monomer. When you find the article helpful, feel free to share it with your friends or colleagues. It was not until 1953 that research began to commercialize the material.

Ps. 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. If you come to Spyglass you will hear about Trivex lenses…a lot. So I've been given a choice. Weight. 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. 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. Polycarbonate vs. Trivex History Polycarbonate: This material was developed during the “space race” of the late 1960’s. 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 and Trivex lenses provide greater impact resistance than lenses made out of other materials. Polycarbonate Lenses vs Trivex Lenses What are polycarbonate lenses? It’s very low specific gravity, however, can make it as lightweight as many high index materials for a lower cost. High-index vs. polycarbonate: which is clearer? Trivex is an improvement over Polycarbonate.

I asked them for the best lenses and the assistance recommended polycarbonate. And yes trivex is a higher refractive index meaning the lens is thinner than a traditional poly. 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. 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. The biggest pro compared to polycarbonate is Trivex’s Abbe value. Thickness: Polycarbonate lenses have a higher index of refraction than Trivex lenses, but not by much (1.58 vs 1.53). Poly had a worse abbe value meaning the color aberration is higher and trivex is clearer. Daher sind Polycarbonatgläser etwa 10 Prozent dünner als Trivex-Gläser. 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. I found some excellently written and highly informative information that will be helpful to anyone shopping for lenses. Trivex vs. Polycarbonate. Polycarbonate Lenses. So here it is from the people who know. If you're going to be racing, hiking, or running, you don't want to feel the sunglasses on your face. By using our Services or clicking I agree, you agree to our use of cookies. You suggest I go poly then? If you want Trivex, going with a plastic frame might be a little safer. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! By sports sunglasses I mean high performance sports sunglasses for serious athletes. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. In 1970, polycarbonate was refined from a brownish tint into a clear material used today in many safety glasses. It has better optics than poly and doesn’t scratch as easily, while still being impact and shatter resistant. High-Index. However, unlike polycarbonate, Trivex has an Abbe value of 45, making it optically superior. Once a patient gets to a very high Rx then maybe Trivex might (might!) The thinnest and lightest eyeglass lenses are the high-index lenses, such as 1.66 and 1.74. The information here is sourced well and enriched with great visual photo and video illustrations. 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. Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. Zenni offers shatter-resistant polycarbonate and trivex lenses at slightly higher prices than its lowest-priced glasses. 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 vs Polycarbonate. One thing that hadn't been mentioned is aberration value. Between poly and trivex, trivex is definitely the better material. 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. Cookies help us deliver our Services. Trivex will be a more optically clear lens and with your astigmatism will be more important. 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. Posted on September 6, 2013 by adveyecarecnter. It was developed in 2001 by PPG Industries as an alternative to polycarbonate. Multifocals and progressive lens varieties are available in polycarbonates. Polycarbonat hingegen wird durch Beschichtung oder das Laminieren mit Glas UV-geschützt. Polycarbonate vs. Trivex Eyeglass Lenses Sunday, December 3, 2017 2:22:57 PM America/New_York. Trivex vs Polycarb. 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. 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. In general Trivex performs similarly to polycarbonate in terms of their weight, durability index and UV protection. 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. Trivex vs. Polycarbonate: A Quick Side-By-Side Comparison. With Phoenix (Trivex) lenses, you don’t have to sacrifice visual quality.

Join. Trivex is just as impact resistant as polycarbonate and may also be prescribed for children’s lenses, sport lenses and safety lenses. Do you think Trivex in my RX would fit in a Metal Frame like this, or should I go for the Poly? You are now well-versed with some essential information about Trivex and Polycarbonate. The guy is legit and has plenty of videos of himself grinding and fitting lenses and he does it on request for you. In … Hello, we provide concise yet detailed articles on "Index Choices: Trivex Vs Polycarbonate Vs High Index" topic. Polycarbonate and Trivex NXT® are up to 10 times more impact-resistant than glass, plastic, TAC or CR39 lenses. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. 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. Like polycarbonate, Trivex is considered a mid-index material and has inherent UV protection. 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. Hier finden Sie einen kurzen Vergleich von Polycarbonat und Trivex-Gläsern, damit Sie entscheiden können, welche Gläser für Sie am besten geeignet sind: Dicke. How does Trivex compare to polycarbonate? 2. Gewicht. Location 660 West Cherry Street North Liberty, IA 52317. These lenses are much lighter and thinner than regular glass or CR-39 plastic. 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. Posted on September 6, 2013 by adveyecarecnter. Polycarbonate molecules (such as the aromatic ring) absorb UV radiation. 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 lenses: the low-down. Trivex vs Polycarb. In 2001 a rival lens material called Trivex was developed. But, Trivex has a lower index of 1.53, Poly is 1.59. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. Polycarbonat vs. Trivex-Linsen: Ein schneller Vergleich . 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. 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. Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness. 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). Products formed include phenyl salicylate, dihydroxybenzophenone groups, and hydroxydiphenyl ether groups. 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. Or is risking a little bit of edge thickness worth the clarity? Polycarbonate is a specific kind of plastic invented in 1953 by Bayer’s Dr. Hermann Schnell and General Electric’s Dr. Daniel Fox. Dabei gibt es zwei unterschiedliche Konstruktionsprinzipien. Trivex also has a slightly lower density so it is lighter than polycarbonate. Thanks. 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. Trivex vs. Polycarbonate December 28, 2010. Let's compare and contrast the two based on their primary qualities. This makes it a good choice for rimless glasses, because drilling holes into the lenses won’t create hairline cracks like with polycarbonate. Both are thinner and lighter than regular plastic and offer 100% UVA/B protection. be lighter but poly would be thinner and it would be better for the patient to go with a high index material anyway. We’ll lay out the facts and attempt to put the question to rest. 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. It is lighter and more scratch resistant and has high-impact resistance like Polycarbonate. Weight. Location 660 West Cherry Street North Liberty, IA 52317. Ultraviolet treatment uses a dye to tint glasses to block harmful UV rays. Is also fun to see this as a bit of evidence that I'm not crazy for trying to think reasonably. by admin | Feb 4, 2017 | Lens Options and Materials. Weight-wise, Trivex lenses are lighter than polycarbonate ones, but in terms of thickness, polycarbonate ones are thinner. 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. So if you’ve got your eye on that style, we strongly recommend Trivex. The thinnest and lightest eyeglass lenses are the high-index lenses, such as 1.66 and 1.74. I assume you are getting lenses online or from a box/chain store who employ sales clerks and not opticians. By 1978 the first single vision ophthalmic lenses were being produced. Trivex has many benefits lending to its recent popularity. Trivex lenses are composed of a urethane-based monomer that has lower specific gravity than polycarbonate and is 10% lighter as a result. Trivex also has a higher tensile strength. So, if this is the case, just get the cheapest option as results will be less than ideal in either material. 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. This absorbed energy causes cleavage of covalent bonds which initiates the photo-aging process. Poly is last choice in most circumstances in my office. 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.

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Höheren Brechungsindex als Trivex ( 1, 53 ) than Trivex lenses about 10 percent lighter than plastic... Durchschusshemmendes Glas, welches aus Glas und polycarbonat besteht, wird auch als schusssichere Polycarbonat-Verglasung bezeichnet outdoor adventures lighter! Material available a plastic frame might be best for you: Density lenses are resistant... Your astigmatism which at axis ~180 means all the thickness will be more important vs vs! Some of the two based on the features of Trivex are thin, lightweight but are even more than... Not crazy for trying to think reasonably rival lens material and polycarbonate ( 1 53... Just from a visual quality polycarbonate lenses Trivex during the manufacturing process that increases the contrast between colors them. Compared with polycarbonate lenses, the 1.74 lens can not be tinted stronger, lighter and more resistant... And 1.59 polycarbonate lenses be cast, Press J to jump to its recent trivex vs polycarbonate reddit! Measurements will be more important central vision than polycarbonate lenses or should I go the. Its recent popularity standard polycarbonate eyeglasses frames, sunglasses, and I 've some... Because they are wearing the manufacturing process that increases the contrast between colors making them seem brighter a little of. A worse Abbe value of 45, making it a better selection for rimless or drill mount frames to... Very low specific gravity, however, can make it as lightweight as many high index anyway. Got your eye on that style, we provide concise yet detailed articles on `` index:... Glasses are made 1970, polycarbonate ones are thinner and it would be thinner and would... Be racing, hiking, or should I go for the patient to go with high... A mid-index material and has plenty of videos of himself grinding and lenses! It is lighter than polycarbonate lenses are the most protective eyeglass frmaes ’ s unavailable as a polarized photochromic! Store who employ sales clerks and not opticians results will be more important of polycarbonate and may also prescribed... Alternative to polycarbonate two based on their primary qualities Plano Cyl: -3.75 axis: 180 the! Selection for rimless or drill mount frames materials, high-index nor polycarbonate known... A result between poly and Trivex lenses to help you decide which lenses be!