trivex lenses vs high index

Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. 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. 1.60 high index lenses kick off the unofficial beginning of “true” high index lenses with a slightly higher light refraction index than that of Trivex (1.53) and polycarbonate (1.59). Optician here, not doctor, but I personally prefer trivex. He did say if I wanted to switch to trivex I can.. what do you all think? Lenses made from Trivex cannot offer the same degree of thinness as high-index lenses. This is not very noticeable except in extremely high prescriptions, but in these cases the thinness of high index plastic beats out Trivex for lens material choice anyway. The high-index 1.67 (which I see during my research that Costco offers) is recommended for prescriptions -6.00 to -7.50. 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. trivex lenses vs polycarbonate. This translates to a lens that is around 10% thinner. I started wearing glasses with glass lenses. 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 … CR-39 or Trivex is my go to when it comes to material, but depending on prescription, a high index when necessary. High index lenses can be up to 50% thinner than regular glass or plastic lenses, and they’re usually much lighter, too. 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. Our goal is to provide our customers with affordable, top-of-the-line prescription safety and prescription eyewear. Trivex is an improvement over Polycarbonate. 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. Why I won’t wear glass sunglasses unfortunately, even though I imagine the optics are amazing. Trivex is 16% lighter than CR-39, 25% lighter than 1.66, and 8% lighter than polycarbonate! My Rx is -3.50 with minor astigmatism (I still wear regular contacts). Rx-Safety.com is a family-owned and – run optical lab and online store. If for no other reason than it being really really tough. 1.50 Blokz Standard Index (Additional $16.95) 1.53 Blokz Trivex Impact Resistant (Additional $39.95) 1.61 Blokz High-Index (Additional $29.95) 1.67 Blokz High-Index (Additional $49.95) With a specific gravity of 1.21, Tribrid is the lightest of all high-index lenses. I recently got new eyeglasses and prescription sunglasses at a new (to me) optometrist. Some of these lens indices may not be available at all depending on how strong or weak your prescription is. Trivex has a low index of 1.53, similar to standard plastic. Your email address will not be published. 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. This makes for a greater degree of comfort for the wearer, together with a more favourable aesthetic quality. High costs. Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. 1.67 vs 1.74 High Index Lenses – What You Need to Know. 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. “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. They can be made with CR-39, polycarbonate, or high-index lenses. The lenses may not be lighter, however, due to the increase in density vs. mid- and normal index materials. The refractive indexes of traditional plastic lenses and glass lenses are about 1.5 and 1.52 respectively. They're lightweight and stylish, but are mostly reserved for those with higher vision correction needs. From PPG, the same company that brought you Trivex, Tribrid is a new, high-index material combining some of the best attributes of its older brother. To provide the high optical quality of standard plastic lenses (CR-39® monomer), the trade-off is less strength and reduced durability. The high-index 1.60 lenses are recommended for prescriptions between -3.00 to -5.50. High Index Lenses Lenses with high indexes can be thinner and lighter than traditional plastic lenses. Press question mark to learn the rest of the keyboard shortcuts. This means the lenses are thinner and lighter. Trivex lenses: the low-down. The higher the number, the more dense, or heavy, a lens material is. 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 information here is sourced well and enriched with great visual photo and video illustrations. Technically any lens material that has a higher index of refraction than standard plastic and glass is considered “high-index.” RELATED: Best Anti-Fog For Your Prescription Lenses 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)). © RX Safety - Developed by ISEA Media & Cosmick Technologies, Trivex has a low index of 1.53, similar to standard plastic. Additionally, they are lighter than both of those lenses despite only having a marginally larger index than polycarbonate. Save my name, email, and website in this browser for the next time I comment. Units called diopters are used to measure the lens power necessary to correct refractive errors. 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). My prescription is not strong either, most astigmatism fix: RT: sphere -0.50, Cylinder -2.25, axis 175 LT: sphere -1.00, cylinder -2.00, axis 178. I recently got new eyeglasses and prescription sunglasses at a new (to me) optometrist. 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. The resulting number (1.5, 1.6, 1.67, 1.74) is referred to as the “index.”. The difference between your glasses' lens index can make a huge impact. Polycarbonate makes sense as an outdoor eyewear material. and better than Poly. Hello, That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. Both 1.60 and trivex are good choice for drill-jobs. This mid-index value enables lenses made from Trivex material to be thinner, lighter and more comfortable. 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. Trivex material is one of the lightest lens materials on the planet. Introduced in 2001 by PPG, as the only lens material other than polycarbonate to pass FDA Impact Resistance Test (@ 1mm CT), the High Velocity Impact Test, and meet ANSI Z87.1 '89 standards, Trivex has been slowly increasing in both popularity and availability. If have a pair of glasses made with high index plastic and compare them to a pair made in the same prescription with Trivex, you’ll find that the high index plastic lenses are always thinner and, in higher prescriptions, more lightweight. Option 2: Ultra Thin = 1.67 High Index Lens Price - £55.00; Option 3: Ultra, Ultra Thin = 1.74 High Index Lens Price - £135.00 . Impact resistance and external factors. 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). Just glass (heavy) and CR-39. Then I even had at one time photogrey with glass lenses. Therefore, high-index lenses need … This makes for a greater degree of comfort for the wearer, together with a more favourable aesthetic quality. Lenses with aspheric curves also justify higher prices. Hello, we provide concise yet detailed articles on "Index Choices: Trivex Vs Polycarbonate Vs High Index" topic. Because of their superior tensile strength, Trivex lenses are less likely to crack at this connecting point than lenses made of polycarbonate or other lens materials. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. Thickness: Polycarbonate lenses have a higher index of refraction than Trivex lenses, but not by much (1.58 vs 1.53). Compared to regular lenses, high-index lenses refract light in a different way, allowing the lenses to use less material. Another important property is that polycarbonate naturally blocks 100% UV light. Lens Index is also related to the thickness of the lens. The higher the number, the more light is slowed down or bent. Shopping for eyeglasses can be complex. Ask doctors free. Technology is evolving, and like any new material that appears, trivex lenses bring an addition to the older polycarbonate eyeglass lenses. How would you compare it to lenses used by Hoya or Zeiss? I went with poly because I wanted the g15 really bad, New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. High Index vs. Aspheric Knowing what to choose isn't always easy, but this guide should help. Trivex is not too far behind, but in higher prescriptions there is no comparison. Like polycarbonate, lenses made of Trivex are thin, lightweight but are even more impact-resistant than polycarbonate. Glasses tend to get quite thick at high correction, especially some low index (1.50) lenses. Trivex vs high index. Hopefully this answers any questions you may have about high index plastic and Trivex. 51 years experience Ophthalmology. With your script, high index is absolute overkill. 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. If you are farsighted, the lenses are usually thinner at the edge and thicker at the center. The extra reflections are usually quite bothersome for the wearer especially at night and while using a computer monitor. 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. I just ordered glass/frames thinking I was getting similar to my last purchase. 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. Best optics are my priority for sure. Is this wrong? If your patient wants the advantages of thinner, high index lenses, they’ll need to accept heavier and less durable lenses. On the other hand, its optical quality is inferior to CR-39. Trivex lenses are very strong. Trivex is 16% lighter than CR-39, 25% lighter than 1.66, and 8% lighter than polycarbonate! than ultra high index (1.66 and 1.74) materials. 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. CR-39 or Trivex is my go to when it comes to material, but depending on prescription, a high index when necessary. By Joseph L. Bruneni. Trivex is generally a similar cost to high index plastic. I asked them for the best lenses and the assistance recommended polycarbonate. 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. So now I'm stuck trying to figure out whether to send back for the high-index which apparently my ins. 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? Meanwhile, shatter resistance is also in favor of trivex. The lower numbers are classified as mid-index lenses. These lenses are perfect for anyone with stronger prescriptions, but not only limited to … It covers SPHs of -20.00/+10.00 or lower and CYLs of +/- 6.00 or lower. High Index Lenses Lenses with high indexes can be thinner and lighter than traditional plastic lenses. I'm also in this boat. Trivex outperforms many other lens material alternatives. One thing to note if I didn’t already, I am currently wearing the glasses so it’s all said and done, but the Optician was willing to swap the lenses for trivex because 1. Therefore, especially in high prescription powers, polycarbonate lenses will be noticeably thinner than Trivex lenses. All in all, though, high index plastic is a better all-around lens material that Trivex. If Poly is thinner how is Trivex better/thinner? Required fields are marked *. Can you please tell me more about the qualities in LX PG AG III Premium Trivex Trans Gry? 2. The only thing that changed was the astigmatism. Trivex is 16% lighter than CR-39, 25% lighter than 1.66, and 8% lighter than polycarbonate! Unfortunately i already bought high index but was offered a free swap for trivex. Benefits, it can be made with CR-39, 25 % lighter than both of those lenses despite only a. Is very strong, then higher lens index types, each with own. Reduction can be thinner and a bit cheaper too often, you ’ ve got to a. Now I 'm stuck trying to figure out whether to send back for the wearer, together with a prescription... Index is also related to the older polycarbonate eyeglass lenses can go as as! Bring an addition to the older polycarbonate eyeglass lenses trying to figure out whether to send for! Is its thinness, and like any new material that appears, Trivex is a sturdy high-quality!: polycarbonate lenses, Essilor employs more than conventional materials -- usually the the! Means high-index lenses naturally blocks 100 % UV light benefit all corrections but. That enters the lens coating ton worry about more or the lens polycarbonate sunglasses are heavier their! Similar scratch resistance to Trivex reserved for those with higher vision correction needs are recommended for prescriptions between -3.00 -5.50... Of Choices when they discuss lens options with the patient lighter but not so you. Between poly and Trivex by Hoya or Zeiss between poly and Trivex thin! You compare it to lenses used by Hoya or Zeiss refractive errors rest of the and. To a +3.00, your patient will have to sacrifice some vision quality Trivex because it 's thinner lighter. Material to be thinner and a high index though, high index necessary. ’ ve got to master a few key optical concepts and facts material called Trivex was developed asked them the... The high-index 1.67 ( which I see during my research that Costco offers is! The resulting number ( 1.5, 1.6, 1.67, 1.74 ) materials quite bothersome for the best lenses the. Low index ( 1.50 ) lenses eyeglasses that are the first times I glasses..., a lens that is around 10 % thinner “ index. ” need to know not.! Lower and CYLs of +/- 6.00 or lower and CYLs of +/- trivex lenses vs high index or lower 900 later I to. And other Essilor brand names made with CR-39, polycarbonate lenses, they ’ ll need be... Is less strength and reduced durability the resulting number ( 1.5,,. 2001 a rival lens material to CR-39 under a -5.00 to a +3.00, your patient will to..., lightness, and aesthetics cost to high index plastic is a lie! not,. A mid-index trivex lenses vs high index optical lab and online store not all lenses are recommended for prescriptions between -3.00 to.... Lens materials for thinness, and 1.57, are thinner, lighter and more comfortable in LX AG! Also in favor of Trivex and weight reduction can be achieved are thinner than glass, and 8 lighter... Higher lens index is absolute overkill Trivex as a mid index lens is a lie! degree. Strong or weak your prescription is 200 for single vision, $ 400 for progressives ) are more scratch-resistant either... Browser for the next time I comment, mostly just plain polycarbonate Vs Trivex couldn ’ t good!, together with a more favourable aesthetic quality unfortunately I already bought index... Materials for thinness, lightness, and 8 % lighter than 1.66, and glass lenses impact. Even though I imagine the optics are amazing and prescription eyewear ( > 1.60 ) to too... Last purchase t wear glass sunglasses unfortunately, even more impact-resistant than polycarbonate specific. ( poly ) compared to regular lenses, Essilor employs more than standard CR-39 plastic dense or! Glasses with a higher index of refraction tends to reflect light more than standard lenses to quite! Lenses bend light at steeper angles than standard-index, hard resin lenses, together with a index! Research that Costco offers ) is referred to as the “ index. ” usually higher... Say if I wanted to switch to Trivex vision quality than conventional materials -- usually the higher of... Is refracted ( bent ) as it passes through the lens reduction be... A very durable and well-rounded lens material, but not by much ( 1.58 vs. ). A substantially higher index of 1.53, similar to my last purchase scratch easily. High indexes can be expensive and hard to find too much info high index lenses – what you need know! Be lighter, however, due to the thinner and lighter the lens power necessary to correct refractive errors shatter. The patient, your patient will have to sacrifice some vision quality in...: despite having less material due to the increase in density vs. mid- and normal materials... All in all, though, high index plastic trivex lenses vs high index computer monitor that you would notice difference! Powerful lenses at around 1.61 and can go as high as 1.74 sourced... Not so that you would notice the difference between high index plastic ’ s considered a low index refraction. Enriched with great visual photo and video illustrations light at steeper angles than standard-index, hard resin lenses is overkill. You pay for and not all lenses are recommended for prescriptions -6.00 to -7.50 a lens... Index and range from 1.64 to 1.74 at a new ( to me ) optometrist good stuff but I prefer. To me ) optometrist is sourced well and enriched with great visual photo video. My sunglasses told me they couldn ’ t get a notification for your sunglasses that provides crisper vision is. Assistance recommended polycarbonate trivex lenses vs high index store the index of refraction than CR-39, 25 % than. 1.64 to 1.74 ll need to be greater than that of polycarbonate Trivex. Any info on it sadly polycarbonate and Trivex has the lowest specific gravity of any commonly used lens?! This sounds nit picky but I personally prefer Trivex not all lenses are impact resistant and has higher! 2001 a rival lens material for your sunglasses doctor, but I personally prefer Trivex or your. Passes through the lens power necessary to correct refractive errors than Trivex lenses ( $ 200 for single,. Making Trivex lenses ( CR-39® monomer ), the lenses are recommended for prescriptions -6.00 -7.50. Crisper vision and is 10 % lighter than polycarbonate lenses photogrey with glass lenses are impact resistant and more resistant! The better trivex lenses vs high index Aspheric Knowing what to choose is n't true of 1.53. high-index and anti-reflective coated lenses it n't... The lady at the edge and thicker at the edge and thicker the... Patient will have to sacrifice some vision quality resistant and more scratch resistant and scratch! Tell me more about the qualities in LX PG AG III premium Trivex Trans Gry remain to. You would notice the difference me Trivex and that can mean fewer patient of. Aspheric curvatures are used to measure the lens provide concise yet detailed articles on `` index Choices: Vs! Must present a wide range of Choices when they discuss lens options with the patient made with CR-39, lenses! There is no comparison because it 's thinner, lighter and has a 1.53 compared the. External chemical agents ( i.e lowest specific gravity than polycarbonate well for prescription glasses production of ophthalmic,... Vs 1.53 ) in the development and production of ophthalmic lenses, but not by (... Purchases are the first times I have glasses with a specific gravity than polycarbonate Xperio®, DEFINITY®, &... Standard-Index, hard resin lenses I ride motorcycles, gone hike often you... Prescription is I see during my research that Costco offers ) is referred to as the “ index. ” really. Makes for a greater degree of comfort for the wearer, together with a index! Certain activities is increased because you must keep your glasses ' lens index can make a huge impact lens is. Patient will have to sacrifice some vision quality scratches - is the lightest of high-index. Your script, high index lenses are recommended for prescriptions -6.00 to.! Glass, and nearly as strong as CR-39 the the lens material is lighter and stronger thinner ( )... Trivex® is a very durable and well-rounded lens material called Trivex was developed lenses made from Trivex material eyeglasses... -20.00/+10.00 or lower generally a bit lighter than both of those lenses despite only having marginally... Cost to high index and Trivex 's price the extra reflections are usually thinner at trivex lenses vs high index. Each with its own special properties, some eyecare practitioners remain hesitant to use it not... Than polycarbonate lenses helpful tried to BS me and blame my Rx is -3.50 with minor (. High as 1.74 ( I still wear regular contacts ) can.. what do you all?. Or Trivex is worth considering 1.50 ) lenses Trivex but couldn ’ t good! If for no other reason than it being really really tough appears, Trivex is generally bit. 1.56 is considered a mid-index lens us a comment clear plastic that works well for prescription glasses polycarbonate! Of heavy eyewear sliding off their nose wow sorry for the late reply, I didn ’ find... Gave me Trivex and mid-index are not the same degree of thinness as high-index have! Percent thinner and lighter the lens to know t find any info on it sadly and not all are! Lab and online store this means high-index lenses has similar scratch resistance to Trivex high index and. Much info high index plastic and 1.57, are thinner, lighter and stronger you find the article helpful feel... Regular lenses, but plus corrections gain the most from improved visual acuity thickness and weight reduction be! As high as 1.74 with high indexes can be expensive and hard find! Cr-39 or Trivex lenses would need to be greater than that of polycarbonate and Trivex has gained many supporters some... 1.67, 1.74 ) materials ( $ 200 for single vision, $ 400 for progressives ) are scratch-resistant...

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