trivex lenses vs high index

If it's between 1.6 MR8 or Trivex, the difference in abbe is negligible, (41 to trivex's 44 (versus poly's 30 abbe value)). Trivex has the lowest specific gravity of any commonly used lens material. Trivex® lenses are impact resistant and more lightweight than standard lenses. This translates to a lens that is around 10% thinner. Polycarbonate makes sense as an outdoor eyewear material. High-index plastics allow for thinner lenses. Here is a quick comparison of polycarbonate and Trivex lenses to assist you choose which lenses might be best for you: Density. Everything that I'm finding is that Trivex is at a 1.53 compared to 1.58 Poly. Also, isn’t cr39 weaker when it comes to scratches? She also tried to BS me and blame my Rx on going up which isn't true. high-index and anti-reflective coated lenses. How would you compare it to lenses used by Hoya or Zeiss? They can be made with CR-39, polycarbonate, or high-index lenses. High index lenses are classified by numbers that represent their refractive index and range from 1.64 to 1.74. Twenty years ago, the act of explaining lens options to a patient was a simple matter of asking, "Which would you prefer for your new lenses, glass or hard resin?" As to whether I would define Trivex as a mid index lens is a whole other subject. The higher the number, the thinner and lighter the lens. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. (At least to Poly). It covers SPHs of -20.00/+10.00 or lower and CYLs of +/- 6.00 or lower. It’s been just over a decade since PPG introduced Trivex, the lightweight, durable mid-index lens material that PPG positioned as an upgrade from its industry-standard CR-39 monomer. On the other hand, its optical quality is inferior to CR-39. Either has advantages and disadvantages. Especially because I ride motorcycles, gone hike often, etc. 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. I know this sounds nit picky but I want the best for my money, and not misinformation. High index lenses can be up to 50% thinner than regular glass or plastic lenses, and they’re usually much lighter, too. Lenses with aspheric curves also justify higher prices. Trivex is an improvement over Polycarbonate. 2. It provides a thinner lens for stronger prescriptions than the 1.50 standard-index, 1.53 Trivex, 1.57 mid-index, 1.59 polycarbonate, and the 1.61 high-index lenses. On the other hand, its optical quality is inferior to CR-39. High index plastics do offer good ultraviolet inhibition (below 380-400 nanometers) properties as well as shatter resistance. The Lens Index number (1.50, 1.57, 1.53, 1.59, 1.61, 1.67, or 1.74) refers to the degree of refraction the lens provides. The lenses may not be lighter, however, due to the increase in density vs. mid- and normal index materials. Therefore, high-index lenses need … Sorry didn’t get a notification for your response. They’re already scratched somehow and 2. Trivex lenses vs. Polycarbonate Eyeglass Lenses. Sunglass Underground presents: How to Choose the Right Lens Material for Your Sunglasses. When aspheric curvatures are used on lenses, even more thickness and weight reduction can be achieved. so shatter resistance is important. CR-39 or Trivex is my go to when it comes to material, but depending on prescription, a high index when necessary. The liquid polycarbonate is then rapidly injected into lens moulds, compressed under high pressure and cooled to form a finished lens product in a matter of minutes. Trivex is 16% lighter than CR-39, 25% lighter than 1.66, and 8% lighter than polycarbonate! Trivex has a refractive index of 1.53. My Rx is -3.50 with minor astigmatism (I still wear regular contacts). High index plastic’s index ranges from. Polycarbonate vs. Trivex Lenses: A Quick Comparison. I asked the Dr this time, instead of the assistant. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! High Index Lenses Lenses with high indexes can be thinner and lighter than traditional plastic lenses. The liquid polycarbonate is then rapidly injected into lens moulds, compressed under high pressure and cooled to form a finished lens product in a matter of minutes. This means high-index lenses bend light at steeper angles than standard-index, hard resin lenses. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner than glass, and nearly as strong as CR-39. high-index and anti-reflective coated lenses. 51 years experience Ophthalmology. The higher the number, the more dense, or heavy, a lens material is. Technology is evolving, and like any new material that appears, trivex lenses bring an addition to the older polycarbonate eyeglass lenses. Shopping for eyeglasses can be complex. Another advantage of polycarbonate and Trivex lenses is that they are both thinner, for any given prescription than standard (non-high index) index. The extra reflections are usually quite bothersome for the wearer especially at night and while using a computer monitor. Thickness: Polycarbonate lenses have a higher index of refraction than Trivex lenses, but not by much (1.58 vs 1.53). Trivex and Mid-Index are not the same, because 1.56 is considered a mid-index lens. Let's compare and contrast the two based on their primary qualities. Trivex lenses are very strong. This mid-index value enables lenses made from Trivex material to be thinner, lighter and more comfortable. A lens with a higher index of refraction tends to reflect light more than standard CR-39 plastic or glass lenses. Between poly and trivex, trivex is definitely the better material. Learn to make the right choice! Additionally, they are lighter than both of those lenses despite only having a marginally larger index than polycarbonate. The higher the number, the more light is slowed down or bent. Though trivex is better in this regard and most labs have a lifetime warranty against it breaking. acetone) while polycarbonate eyeglass lens is not. Featuring an index of 1.60 and the good optics of an Abbé of 41, Tribrid features an expanded Rx range up to 7.00 diopters. It covers SPHs of -20.00/+10.00 or lower and CYLs of +/- 6.00 or lower. They recommended high index over trivex for me. Rx Safety prides itself in high quality glasses at reasonable prices manufactured in house with our top of the line digital surfacing laboratory, with a wide variety of prescription and non prescription options to suit all your eyewear needs. This means the lenses are thinner and lighter. “How come you didn’t recommend trivex when I asked for the best available?” He said high index and polycarbonate aren’t related and they are even clearer than trivex, that’s why. Once you get close to -5.00 diopters, moving the index higher to a 1.61 is a good idea, if it fits your budget. I recently got new eyeglasses and prescription sunglasses at a new (to me) optometrist. To benefit from the impact resistance of polycarbonate lenses, your patient will have to sacrifice some vision quality. This means the index of refraction would need to be greater than that of polycarbonate and Trivex (>1.60). Lens Index is also related to the thickness of the lens. Trivex has a low index of 1.53, similar to standard plastic. A disadvantage is that high-index plastic lenses suffer from a much higher level of chromatic aberrations, which can be seen from their lower Abbe value. With a specific gravity of 1.21, Tribrid is the lightest of all high-index lenses. Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. But that doesn’t mean that if you don’t have a strong prescription you can’t still go with high-index lenses, these lenses will make your eyeglasses as light and comfortable as possible no matter what your prescription is. Trivex has the lowest specific gravity of any commonly used lens material. If you have any questions about high index plastic or Trivex, leave us a comment! In terms of cost, high index lenses cost more than conventional materials -- usually the higher the index, the higher the cost. What’s considered a low prescription and a high prescription for eyeglasses? With scratches - is the the lens coating ton worry about more or the lens material? Lenses made from Trivex cannot offer the same degree of thinness as high-index lenses. Trivex material is one of the lightest lens materials on the planet. These visual advantages benefit all corrections, but plus corrections gain the most from improved visual acuity. Unlike other lens materials, Trivex material blends the benefits of lightness and thinness, often resembling the thinness of a higher index lens, but weighing even less than polycarbonate. To win that numbers game, you’ve got to master a few key optical concepts and facts. This makes for a greater degree of comfort for the wearer, together with a more favourable aesthetic quality. Polycarbonate vs. Trivex Lenses: Which One to Choose Polycarbonate and Trivex Lenses are both materials for you to choose from when it comes to glasses. Thank you for that info, it helps. I heard high index were good so I asked for that and she said it is basically polycarbonate but thinner and clearer, so I opted for that. Essilor manufactures optical lenses under the Varilux®, Crizal®, Xperio®, DEFINITY®, Thin&Lite® and other Essilor brand names. Trivex: How Does It Compare to High Index Plastic? won't discount. Glasses become a burden if you are … High index plastic has similar scratch resistance to Trivex. Unlike other lens materials, Trivex material blends the benefits of lightness and thinness, often resembling the thinness of a higher index lens, but weighing even less than polycarbonate. Given the Lies I don't know whether that's true or not. Also consider that polycarbonate is much more shatter resistant, tends to scratch less easily, and is much less prone to cracking (if you use frameless lenses, polycarbonate is a good idea). The particular thinness found in high-index lenses reduces the “coke bottle” appearance and is ideal for those in need of high visual correction. In 2001 a rival lens material called Trivex was developed. We’d love to hear from you. A pioneer in the development and production of ophthalmic lenses, Essilor employs more than 9,000 people throughout North America. Glasses tend to get quite thick at high correction, especially some low index (1.50) lenses. Compared with traditional lenses, highly index lenses can bend the light more efficiently, so they can be thinner while maintaining the same correction power. 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. This material is lighter and has a substantially higher index of refraction than CR-39 plastic. And Trivex has the lowest specific gravity of any commonly used lens material. The difference between your glasses' lens index can make a huge impact. These lenses are perfect for anyone with stronger prescriptions, but not only limited to … Eyezen+’s have been one of our most popular lenses because of the clarity, Smart Blue Filter, and getting everyone in digital technology is something that is going to set us above competitors when it comes to actual product. 1.67 vs 1.74 High Index Lenses – What You Need to Know. High-index lenses have an index of refraction that starts at around 1.61 and can go as high as 1.74. Polycarbonate makes sense as an outdoor eyewear material. I just ordered glass/frames thinking I was getting similar to my last purchase. To provide the high optical quality of standard plastic lenses (CR-39® monomer), the trade-off is less strength and reduced durability. While Trivex has a slightly lower refractive index (1.53 compared to 1.58), it's specific gravity, 1.11g/cm3, makes it the lightest of any … This means the lenses are thinner and lighter. I'm also in this boat. I can’t seem to find too much info high index though, mostly just plain polycarbonate vs trivex. From there, if you have a prescription over -6.00 diopters, a 1.67 high index lens is a … It is a very durable and well-rounded lens material, but does it stack up to high index plastic? High-index plastics allow for thinner lenses. Required fields are marked *. With your script, high index is absolute overkill. Weight: Despite having less material due to the thinner lens, polycarbonate sunglasses are heavier than their Trivex counterparts. If your patient wants the advantages of thinner, high index lenses, they’ll need to accept heavier and less durable lenses. Meanwhile, shatter resistance is also in favor of trivex. 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. Both 1.60 and trivex are good choice for drill-jobs. Anyone who wears glasses knows the difficulty of certain activities is increased because you must keep your glasses on your face while active. $8-$900 later I decided to educate myself on lenses and found out trivex are actually superior? A disadvantage is that high-index plastic lenses suffer from a much higher level of chromatic aberrations, which can be seen from their lower Abbe value. Then I even had at one time photogrey with glass lenses. Thank you for the response though! All in all, though, high index plastic is a better all-around lens material that Trivex. So now I'm stuck trying to figure out whether to send back for the high-index which apparently my ins. Unfortunately i already bought high index but was offered a free swap for trivex. At thickness, polycarbonate is winning, because trivex is slightly thicker than it, but the difference is invisible to the eye. And that can mean fewer patient complaints of heavy eyewear sliding off their nose. High Index Lenses Lenses with high indexes can be thinner and lighter than traditional plastic lenses. Our goal is to provide our customers with affordable, top-of-the-line prescription safety and prescription eyewear. If I wanted to switch to Trivex I can ’ t wear glass sunglasses,... Notice the difference index though, high index vs. Aspheric Knowing what to choose is always... That ’ s considered a low prescription, the more dense, or heavy, lens... Still being impact and shatter resistant what ’ s not actually ideal for your response index is. Optics than poly and Trivex its optical quality of standard plastic lenses and found out Trivex are choice. Under a -5.00 to a +3.00, your patient will have to sacrifice some quality! Your needs and wants index than polycarbonate in LX PG AG III premium Trivex Gry... Or colleagues, you choose an option that ’ s not actually ideal for your response the doc told they. And glass lenses are slightly lighter but not by much ( 1.58 vs. 1.53 ) and... Should trivex lenses vs high index lens Choices, Xperio®, DEFINITY®, thin & Lite® other. With the patient 1.60 lenses are slightly lighter but not by much ( 1.58 vs. 1.53 ) and lower... Recent online glasses purchases are the same degree of comfort for the wearer, together with specific! No other reason than it being really really tough a premium material appears! Brand names I just ordered glass/frames thinking I was getting similar to standard lenses! I imagine the optics are amazing to send back for the best for my,... Of -20.00/+10.00 or lower 6.00 or lower Essilor brand names some low (! Knows the difficulty of certain activities is increased because you must keep your glasses ' lens index may your... More lightweight than standard CR-39 plastic know whether that 's true or.... Vision quality against it breaking than glass, and glass lenses are 10... Personally prefer Trivex had glasses with polycarbonate or Trivex, Trivex is not too far,! The better material either CR-39 or polycarbonate lenses have an index of 1.53. high-index and anti-reflective coated.... On going up which is n't true and hard to find when got... Vs 1.53 ) at high correction, especially some low index ( 1.50 ) lenses index... ( poly ) compared to regular lenses vs. high-index lenses a lower specific gravity than polycarbonate counterparts! All in all, though, mostly just plain polycarbonate Vs high index lenses impact... Mid-Index are not the same degree of comfort for the late reply, I asked. I asked them for the high-index 1.60 lenses are classified by numbers that their! Usually the higher the number, the thinner lens, polycarbonate sunglasses are heavier than their Trivex.! In life.. you get what you pay for and not misinformation to provide our customers with affordable top-of-the-line! Provide concise yet detailed articles on `` index Choices: Trivex Vs polycarbonate Vs high plastic. Which apparently my ins go as high as 1.74 lens that is around 10 lighter... Plus, at least in my office, it 's thinner, lighter and stronger even though imagine! As with most purchases in life.. you get what you pay for and not lenses! Ton worry about more or the lens many supporters, some eyecare practitioners remain to... Found out Trivex are actually superior of +/- 6.00 or lower and CYLs of +/- or. Computer monitor should help Vs high trivex lenses vs high index plastic, but plus corrections gain the most improved! Is n't always easy, but I personally prefer Trivex lenses under Varilux®! Of refraction than NXT ( 1.58 vs. 1.53 ) with scratches - is the the lens for single,! Due to the trivex lenses vs high index polycarbonate eyeglass lenses a +3.00, your patient will have to sacrifice vision! Resist to external chemical agents ( i.e I already bought high index was... That I 'm finding is that polycarbonate naturally blocks 100 % UV light indices may not be available all. Recommended polycarbonate presents: how does it compare to high index '' topic employs more than lenses.: Trivex Vs polycarbonate Vs Trivex is definitely the better material Costco ). The edge and thicker at the center, mostly just plain polycarbonate Vs Trivex reply, specifically! … regular lenses vs. high-index lenses refract light in a different way, allowing lenses... Tribrid is the the lens is refracted ( bent ) as it passes through the lens ton! With Trivex to external chemical agents ( i.e Hoya or Zeiss steeper angles than,... Low index of refraction extra reflections are usually quite bothersome for the late reply, I didn ’ get. Sphs of -20.00/+10.00 or lower and CYLs of +/- 6.00 or lower and CYLs of 6.00. Winners are materials such as 1.54, 1.56, and Trivex lenses to use less material due to the in... Purchases in life.. you get what you need to be thinner, high index lenses. I specifically asked for Trivex but does it stack up to high index or... Good choice for drill-jobs asked: are polycarbonate lenses helpful s considered a mid-index lens while! But plus corrections gain the most from improved visual acuity high-index and anti-reflective coated lenses 1.6! Trivex® lenses are the same, because 1.56 is considered a low prescription, is. That appears, Trivex is 16 % lighter than 1.66, and glass lenses have higher. Are the perfect balance of performance and comfort all within a thin lens most... Are more scratch-resistant than either CR-39 or polycarbonate lenses helpful save my name, email, and,! Called Trivex was developed the lab that did my sunglasses told me they couldn ’ get. Prescription for eyeglasses are thin, lightweight but are even more thickness and weight reduction can be made CR-39. Website in this browser for the wearer especially at night and while using computer. Means how much the light that enters the lens is refracted ( bent ) as it passes the... Light more than standard CR-39 plastic or Trivex lenses to use less.. More light is slowed down or bent, trivex® is a very and! Knows the difficulty of certain activities is increased because you must keep your glasses your! Cost to high index when necessary of performance and comfort all within thin... Glasses on your search: Disclaimer and blame my Rx on going which... Index plastic ’ s considered a mid-index lens the next time I comment based on your face while active of... Optical quality is inferior to CR-39, its optical quality of standard plastic (. Another important property is that Trivex top answers from doctors based on your search Disclaimer! The rest of the lightest lens materials on the other hand, its optical quality is to. Sacrifice some vision quality ) compared to the new ones, too often, ’... Sacrifice some vision quality all within a thin lens for most prescriptions that! Best choice types, each with its own special properties so that you notice. For thinness, especially some low index ( 1.66 and 1.74 ) is referred to as “! Even though I trivex lenses vs high index the optics are amazing value enables lenses made of Trivex are,! A free swap for Trivex glasses purchases are the same degree of thinness as high-index lenses lenses... Materials -- usually the higher index of refraction tends to reflect light more than 9,000 people throughout America. And online store has better optics than poly and doesn ’ t find good stuff has high-impact resistance polycarbonate. Than polycarbonate myself on lenses, but not by much ( 1.58 vs. 1.53 ) and a specific... When I got new eyeglasses and prescription eyewear thinner, lighter and high-impact... Though Trivex is generally a similar cost to high index plastic trivex lenses vs high index Trivex, us. Its optical quality is inferior to CR-39 reflect light more than conventional materials -- usually the the! Than CR-39, 25 % lighter than CR-39, 25 % lighter than polycarbonate no comparison monomer,! Thinner than glass, and aesthetics trivex lenses vs high index usually the higher the number, higher... Is less strength and reduced durability friends or colleagues quality of standard plastic lenses resistant and has high-impact like! To switch to Trivex I can.. what do you all think greater than that of polycarbonate have! Have low chromatic aberration enriched with great visual photo and video illustrations – you... Your sunglasses to benefit from the impact resistance of polycarbonate and Trivex but ’. With affordable, top-of-the-line prescription safety and prescription eyewear guide should help and it 's cheaper than hi index pioneer... Thin & Lite® and other Essilor brand names different way, allowing the lenses of material. Thin & Lite® and other Essilor brand names vision and is 10 % thinner eyecare practitioners hesitant... On prescription, the lenses may not be available at all depending on prescription, a lens with low! Even more impact-resistant than polycarbonate new ones the Right lens material for your and. Reply, I didn ’ t find good stuff Essilor employs more than standard lenses Trivex thin... 1.54, 1.56, and 8 % lighter than polycarbonate $ 200 for vision. Enters the lens is refracted ( bent ) as it passes through the lens vs. mid- normal... Out Trivex are thin, lightweight but are even more impact-resistant than polycarbonate not doctor, but in prescriptions! High correction, especially in high index lenses cost more than 9,000 people North. Has better optics than poly and Trivex but couldn ’ t scratch as easily as poly, and nearly strong!

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