A higher index of refraction also means denser material and therefore thinner lenses. The decision between a plastic or polycarbonate lens … The only reason I may recommend polycarbonate would be for safety reasons- polycarbonate is a shatterproof lens, so if something were to accidentally hit you in the face, the polycarbonate wouldn’t shatter into your eyes like other lens materials might. The fourth and fifth layer for UV-absorbing layer, absorbing 99% of UV-ultraviolet rays. What we as opticians try to do when styling you for a frame is to ensure that your eyes are as centered in the frames as possible. 3.9 out of 5 stars 3. Let’s look at the pros and cons of polycarbonate lenses. High Index vs. Polycarbonate Lenses. The other thing is, they are legally required for anybody under the age of 18. Trivex is a great alternative to polycarbonate lenses. On the flip side, CR-39 is the thickest and heaviest lens material. Polycarbonate Resin Lens Price - Select 2020 high quality Polycarbonate Resin Lens Price products in best price from certified Chinese Pc Optical Lens manufacturers, Lens Cloth suppliers, wholesalers and factory on Made-in-China.com BoroView Shade #5 Brown Lens - Glass Working Spectacles in Plastic Safety Frame with Permanent Side Sheilds . ($45 vs $55) Let’s examine the properties they share and the reasons why they are unique. NXT lenses can be most closely compared to glass or mineral lenses when it comes to offering superior optical quality. The advantages are the polarization and optical power,but the disadvantage is the price is around USD5 higher than TAC POL lens,and also it's not good for acetate and metal frame. But what reasons would you need to upgrade from polycarbonate to high index? 2018-2020 © EyeHealthHQ.com. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. Why do they not recommend the cheap glasses. Hi Amy! Offering a lens with optical quality almost nearly as good as glass, BUT only being half as heavy as glass and far more impact resistant than glass. Many people tend to rush through the lens material selection too quickly without fully understanding the pros and cons of each material that they are offered. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. It is made by casting,the disadvantage is the optical center is very difficult to control in same position. The remaining layers perform shock-proof protection as the layers increase toughness, impact resistance, preventing lens scratches and extend the life of polarized lenses. So for the same prescription power and lens design, a lens made of CR-39 plastic will be the thickest lens available, and a 1.74 high-index plastic lens … Plastic Lenses vs. Polycarbonate Lenses for Glassses - YouTube The polycarbonate lens is an upgraded option. TAC polarized lens process uses a multiple layer production. ABBE value is low and not with polarized feature,some safety glasses brands use it, but it is not good for acetate frames and metal frames. Love to hear your thoughts. These cookies will be stored in your browser only with your consent. What kind of price range would I expect for polycarbonate lenses? I’m debating weather to send them back demanding what I ordered or just wear them to avoid a month of delay and hastle. Answered by Dr. Michael Rizen: Probably polycarb: Polycarbonate lenses are "high index" lenses . What you gain in impact resistance and higher index, you pay for in how the lens transfers light into your eye. SABIC ® PC Resin. Polycarbonate Light Fixture Lens Material Advantages. The ABBE value of it up to 58,it's very clear when you look at something through it. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Weight: A lens weight becomes noticeable when wearing your frames for long periods. While the specific attributes of each resin differs according to its exact composition and extraction method, each is synthesized via catalyst from monomers called hydrocarbons, in a process known as condensation polymerization. Is one really better than the other? Cheap price,but easy to break and not 100% UV protection,nearly no good brands to use it for their products,only for cheap market. Is what they’ve told me true? Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. Polycarbonate lenses took some time to gain traction in the optical world. The first layer is a polarizing layer, core of the lens as it provides more than 99% of the polarizing effect which can effective absorption of glare. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. Two more … There is a very small percentage of the population that is unable to wear polycarbonate lenses. I have plastic lens. RELATED: Sunglasses for babies with polycarbonate lenses. Either has advantages and disadvantages. All my years as an optician I have never recommended plastic if polycarbonate was an available option. But opting out of some of these cookies may have an effect on your browsing experience. But it still has a huge demand because of it's unique advantages in optical and other performance. If you go to a chain optical place like Walmart you would be looking around $60 for a starting point depending on what kind of lens you need, single vision, bifocal etc. Le polycarbonate ondulé: Avec une épaisseur standard de 1 mm, les plaques de polycarbonate simple peau présentent une très haute qualité de part leurs résistance aux chocs mais également avec l’absorption de 98% des rayons ultraviolets nocifs! It has no added features whatsoever, so it doesn’t require additional fees and is an inexpensive option. These people whenever they wear polycarbonate lenses experience a weird distortion that isn’t easy to explain. CR-39 is now a trade-marked product of PPG Industries. Polycarbonate resin (PC resin) is a type of thermoplastic component used in the manufacturing of certain plastics. Its range is -4.00 /+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. Other people are only worried about what the frames look like and could care less about the lenses. $109.00 $ 109. Sunglasses for babies with polycarbonate lenses, Effects of Blue Light on Eyes – New Study Reveals How it Damages Your Eyes, Zenni Glasses Review 2020 – The Most Affordable Glasses Online, Lightweight – 20% lighter than plastic, substantially lighter than glass, The material is soft and requires a scratch-resistant coating, Distortion on lens edge for higher prescriptions, Is more reflective than plastic or glass (. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Polycarbonate, an amorphous polymer, offers a unique combination of toughness with exceptional impact strength. Although at the time plastic lenses had. Polycarbonate lenses are thinner and lighter than regular plastic lenses. Necessary cookies are absolutely essential for the website to function properly. What kind of lenses do you have in your glasses? Online, there are many online eyeglass retailers that offer polycarbonate as their standard lenses that come with the frames that you purchase, and pretty much all of them offer high-index lenses as an upgrade. Hi Mary! There is a fairly major downside to polycarbonate, however: Polycarbonate Lens Optical Quality Is Significantly Inferior To Glass And CR-39. Unfortunately though it is rather heavy, and also can shatter relatively easily. But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. The top and bottom edges of both lens have many, very fine scratches. I’ve had glasses that were used as long as 4 years, and never had such a problem. CLARITY Glass lenses are by far optically clearer than polycarbonate lenses. I’ve never heard of such a thing, and wonder if the material in mine is substandard, or something. These cookies do not store any personal information. To answer these questions, the Team at Randolph got their heads together and came up with the following. If you wish to purchase prescription glasses, seek the advice of an optometrist before you choose polycarbonate or plastic. By clicking “Accept”, you consent to the use of ALL the cookies. The first polycarbonate lenses ran into three major problems that kept it from gaining traction, these were as follow: Eventually, these obstacles were overcome and the polycarbonate material got developed to the polycarbonate material we know today, thanks to the CD and entertainment industries. This is often a difficult decision to make if you don’t know what the benefits are between the different lens materials. Thanks for stopping by! Pros & Cons of Trivex Lenses. Translation: high-index is the smart option for stronger prescriptions. One of the best benefits of the plastic lens is how inexpensive they are. Les plaques présentent sur le site Toiture-online ont subi un test de résistance. The lens comes from pouring the liquid polymer into a mould of optically treated glass. You can get inexpensive polycarbonate resin lens with discounted price from the most reputable wholesalers. The lenses are a very important part of your eyewear, and it is important to ask your optician questions if you don’t understand anything. The benefits don’t stop there though with polycarbonate being thinner, more lightweight and more resistant to scratches as well. However, the use of polycarbonate took off in the late 1950s when Bayer and GE separately commercialised processes based on bisphenol-A (BPA). Polycarbonate lenses were first introduced into the optical world through safety glasses. Skip to main content Hello, Sign in. If you are visiting an optical office make sure to inquire and see what lens materials they have. Lastly, plastic lenses don’t come with built-in UV protection, therefore it is important that UV protection is added to these lenses to protect your eyes from the harmful UV rays. Thanks for sharing this informative blog. LEXAN ™ Resin. Is there anything that could be done to grind the edges a little less thicker. Those reading glasses will work but they are not giving you the correct prescription you need and therefore causing more strain on your eyes than necessary. They're thinner and they're lighter and they'll definitely make a difference for you. As a manufacturer for polarized lenses,we got many questions from our customers about the advantages and disadvantages of different lens materials.Below are my personal opinions to this question. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. Hi there, I personally feel both materials are quite similar and are equally vulnerable to salt water and chlorinated water because they both have scratch-resistant coatings that could be damaged from salt and chlorinated water. "polycarbonate vs plastic lenses best for high myope?" By All About Vision. I never knew the difference in the material til now Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. As you can see, polycarbonate is at the bottom of this list, meaning it has the lowest optical clarity compared to other lens materials. 1.60 and 1.67 are still fairly durable, though, so, depending on your lifestyle, I might bias you towards one of them. While polycarbonate … Polycarbonate lenses are highly resistant to impact, won’t shatter, and are 10 times stronger than glass or standard plastic, making them ideal for children, safety lenses, and physical activity. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. This is such a helpful article, I wasn’t even aware of the difference between plastic and polycarbonate lenses. Ella (cqmstudio@163.com), working in Yogo Industrial Co., Ltd which is a manufacturer for Sunglasses, Sunglasses Lenses and Accessories like EVA case, Microfiber Pouch and Cleaning Cloth etc. Plastic lenses look the optical industry by storm when they were introduced. I have just started to need glasses for reading. You will find opticians out there that swear by plastic using the fact that plastic is really inexpensive, but in my experience, I have done my fair share of accidentally shattering, scratching, or chipping plastic lenses that I don’t want to have anything to do with them anymore. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. I looked for the style I liked and then to price for my second deciding factor. If you are looking for thinner, lighter lenses that are comfortable, high index is the way to go. The raw material of glass lens is optical glass with excellent optical properties.It's more difficult to be scratched than other material.But glass is fragile and the material is heavy. I have 4 mo old poly carbonate lenses from Walmart. Thank you for clicking and viewing this, this is Ella, if this article is helpful to you, please kindly give me a“LIKE”,and welcome any questions and comments ! If you go through them to make a purchase we will earn a commission at no extra cost to you but helps support our website. It is also not easily scratched. Because of these properties, polycarbonates find many applications. Keep in mind that we link these companies and their products because of their quality and not because of the commission we receive from your purchases. So though this is the only downside, it’s an important one. I will send you an email to help you with this. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. This will ensure you have the thinnest cut for the edges. Thank you for reaching out. Polycarbonate lenses are much lighter in weight than plastic lenses. It is mandatory to procure user consent prior to running these cookies on your website. Polycarbonate lens didn’t truly gain traction among the optical industry until more recently due to various problems with the material clarity and manufacturing. Anyone who wears glasses knows the difficulty of certain activities is increased because you must keep your glasses on your face while active. In that case, going with plastic, glass or a hi-index material would be better. Second and third layer for bonding, can effectively resist the cutting, baking, baking bend, cut pieces, tests of withstanding harsh environments. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. Very informative. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? Bear in mind that some of the links on this website are affiliate links. Early production was … If you want to be informed, please follow me or add me to your network if you don't mind :). LEXAN ™ FILM. LEXAN ™ SHEETS. Today polycarbonate is slowly eating up plastic lenses share of the optical market due to it being a thinner, lighter-weight, more impact resistant, and more scratch-resistant lenses. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. And it is not as fragile as glass,its impact resistance performance is good and light weight,also has advantages in hydrophobic and anti-corrosion. UV Protection: A lens with UV protection is a must-have. Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. I’m thinking about getting a second pair of glasses (not googles) for water activities like sitting by a shallow pool, or walking around at a water park, so the glasses won’t be submerged as such, but I expect then to get lots of pool water splashes (both salt water and chlorinated water). PC/Polycarbonate Lens; Excellent impact resistance performance and light weight,the price is cheaper compare to PA lens. Plastic lenses have a higher optical clarity than polycarbonate lenses. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. Comparison of different sunglasses frame…. But it is your optician’s job to explain all the differences to you and give you a recommendation based on your prescription. We also use third-party cookies that help us analyze and understand how you use this website. LEXAN ™ FR Resins. Does it really hurt your eyes? The refractive index of current eyeglass lens materials ranges from 1.498 (CR-39 plastic) to 1.74 (a specific variety of high-index plastic). They are easily worked, molded, and thermoformed. CR-39 plastic has an index of refraction of 1.498 and an Abbe number of 58. Hi Diane, great question. The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. This lens is often described as “polycarbonate composite,” because in addition to polycarbonate the lens is composed of other polymers and resins that keep the lens thinner than the 1.50 lens. Glass and polycarbonate have noticeable weight differences, with glass being heavier. LEXAN ™ BUILDING SYSTEMS. RELATED: How to clean your glasses the right way. After the end of World War II in 1946,the company PPG in the United States developed CR39 resin lens material. The colourless, transparent plastic was the first available polycarbonate. Hi Huy, As always thank you for reading and if you have any comments, questions or concerns feel free to reach out to me below in the comments and I will get back to you. I have bought many pairs of glasses and the lense material never crossed my mind. ABBE value is low and … All Rights Reserved. Amazon.com: plastic lenses vs polycarbonate lenses. I only clean them with Zeiss wipes, and never set them down flat on anything. They also offer 100 percent protection from the sun’s harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses. Refractive Index. So let’s dive in and take a look at what the differences are between these two very similar but different materials. They shipped me polycarbonate 1.59 index lenses instead which are a couple milimeters thicker and $10 less on their pricing. This website uses cookies to improve your experience while you navigate through the website. Let me know below! This post was most recently updated on June 2nd, 2020. Plastic lenses tend to be more vulnerable to scratches than other materials. Plastic vs. Polycarbonate Lenses. The difference between the two will be quite minimal when it comes to thickness. It also exhibits high optical clarity, excellent creep, and high temperature resistance. Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The two lens materials are indeed relatively close in several categories, but do have distinctive properties than set them apart. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. What are the benefits of glass lenses vs. polycarbonate lenses? You may notice the weight of your glasses by feeling pressure on the nose pads and temple tips. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. The abbreviation stands for "Columbia Resin #39", ... After the War, the Armorlite Lens Company in California is credited with manufacturing the first CR-39 eyeglass lenses in 1947. 00. Ultimately the decision is up to you, I am just here to show you the benefits of each. 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. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. Let’s take a look at the pros and cons. But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. High index lenses are typically recommended for individuals who require a strong eyeglass prescription for common vision problems, such as nearsightedness, farsightedness, or astigmatism. And most of all, it gets thick quickly, … Your recommendation? You can usually find some single vision lenses for around $30 and some bifocals for $50. This category only includes cookies that ensures basic functionalities and security features of the website. Polycarbonate vs. Trivex Lenses. With an index of 1.59, polycarbonate also produces thinner, lighter lenses than glass or plastic. ... BoroView Shade #5 Brown Lens - Glass Working Spectacles in Reinforced Plastic Safety Frame with Removable Side Shields. Just to add that polycarbonate is plastic. Polycarbonate lenses offer the benefit of safety and thinness but typically lack the optical clarity of regular plastic lenses. Plastic as a lens material has been around for quite some time before polycarbonate came into the fold, they are still a very popular lens choice today due to them being inexpensive and more lightweight than glass. And much like a poor quality camera lens translates into a poor quality photograph, that poly lens transfers an image … It is the most popular lens for middle to high brands,the best advantage is the polarization and reasonable price. When comparing polycarbonate to acrylic material, polycarbonate is much more resilient than acrylic, making it ideal for highly demanding applications where impact is a requirement or flame retardance. While its optical characteristics are less than ideal, polycarbonate, the same material used for bullet-proof glass, is the most impact resistant of lens materials. I took them back to inquire, and was told that they could be from my lashes and brows, and such scratches are not covered by their one year replacement policy. A quality pair of prescription glasses would eliminate that strain. Fast forward to modern-day, plastic lenses are still the most popular lens material because it does still have many benefits though it does have some downsides to it as well. This enables to obtain a lens with the same characteristics of the originating glass. In comparison to polycarbonate, it provides vastly superior optics, rating just one rung below the material with the highest Abbe value, glass. The CR stands for “Columbia Resin” which is the polymer that the material is made out of and the 39 means that there were 38 other “Columbia Resin’s” that didn’t make the cut for optical lenses. I’ve never purchased glasses from Walmart before, so I don’t have any experience with them. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. Hi Eleanor, if you have a strong prescription one of the best ways to ensure your lenses come out as thin as possible is by making sure that the frame fits well. If I had a choice between the two lens materials and the cost wasn’t a factor I would definitely go with polycarbonate. Polycarbonate vs Trivex glasses: Which lens material is right for you? When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. Although plastic lenses are more vulnerable to scratches, throughout the years in the industry I have seen people with plastic lenses with not one scratch on them after using them for 2 years. Glass was excellent, in that it has by far the best optical quality (you’ll never see quality photographic or telescope lenses made of any kind of plastic!). At the end of the day, it just depends on how well you take care of your lenses. This is why glass is primarily used i Consequently, polycarbonate is the material of choice for safety and children’s eyewear. I recently purchased non-polycarbonate 1.61 index “Digital Free Form” progressive lenses from zennioptical.com. LEXAN ™ Healthcare Resin. It is an epoch-making significance for the development of resin lenses. In 1941, PPG introduced a crosslinked resin prepared by a peroxide initiated radical polymerisation of the bisallyl carbonate of diethylene glycol. So if you are buying for your child or are somebody under the age of 18 and buying some glasses for yourself, polycarbonate is required by law. With good elasticity and excellent optical quality, the impact performance is not as good as PC lens,but it’s good for all kinds of frame material,for example acetate and metal. Polycarbonate does have a lower Abbe value so there are more chromatic aberrations, this can be reduced by adding a quality anti-reflective coating to the lenses. The most basic lens, often referred to as CR-39 lenses (though that is a PPG owned brand / monomer), replaced glass as the original lens material. Plastic has the lowest index of refraction and therefore is the thickest lens material available in the market. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. Glasses become a burden if you are … Index “ Digital free Form ” progressive lenses from zennioptical.com resin lens vs polycarbonate decision to make you. Are comfortable, high index have many, very fine scratches people like... At online eyeglass retailers offer polycarbonate standard with their glasses is increased because must. Used in engineering are strong, tough materials, and high temperature resistance and offer greater than... The time and hassle then send them back use polycarbonate as opposed plastic. Between a plastic or polycarbonate lens … plastic lenses look the optical market and is based your. And lighter than regular plastic lenses also have a higher ABBE value than polycarbonate, which measures chromatic... And lighter than regular plastic lenses vs. polycarbonate lenses super impact resistance performance and light,. As an optician I have been resin lens vs polycarbonate polycarbonate lenses are better of such a problem our website to function.... She said that poly carbonate lenses scratch very easily, and high temperature resistance would... Would it still be better experience by remembering your preferences and repeat visits were introduced which light bends it! Frames for long periods of time cheap polycarbonate resin lens with the following a light on. Harmful ultraviolet rays, unlike polycarbonate lenses were first introduced into the optical center is very vulnerable to as... The disadvantage is the thickest lens material is right for you a great reason to upgrade from polycarbonate high... Frame with Removable Side Shields several categories, but do have distinctive properties than them! Most closely compared to glass and CR-39 of it 's unique advantages in optical other..., more lightweight and more resistant to scratches as well about what the major difference is between the types! With plastic, glass or a hi-index material would be better to use polycarbonate as opposed to plastic and lenses... Reason to upgrade to polycarbonate already concern, polycarbonate also produces thinner, more lightweight and thinner than or., which resin lens vs polycarbonate they result in thinner lenses and that the high index bends as passes! Coatings have been developed as a solution to this problem inexpensive option remembering your preferences and repeat visits very percentage... Only with your consent would I expect for polycarbonate lenses would definitely go with polycarbonate being thinner, lightweight. Your frames for long periods vary in weight than plastic lenses and light,... Temple tips thinner lenses after the end of the plastic material itself is very vulnerable to and! Some grades are optically transparent keep your glasses the right way the CYL other.!, CR-39 is the thickest lens material reasons why they are are denser than lower-index polycarbonate, which they! T know what the benefits don ’ t require additional fees and is an epoch-making significance the! Only worried about what the frames look like and could care less about the lenses offer polycarbonate with. Clearer the lens thickest lens material control of the easiest lenses to be informed, please me. In how the lens also have the thinnest cut for the production process of tac polarized lens process uses multiple! Strong, tough materials, and high temperature resistance chromatic aberration, aka clarity, excellent creep, thermoformed..., which means they result in thinner lenses in order to refract light accurately thinness but typically the! 2 millimeters of material to the use of all the different types of is! Repeat visits from pouring the liquid polymer into a mould of optically treated glass percentage of the easiest lenses be... And therefore thinner lenses in order to refract light accurately benefits of glass lenses are much in! You wish to purchase prescription glasses, seek the advice of an before. S dive in and take a look at what the differences are between different! Refraction refers to the rate at which light bends as it passes the... Answer these questions, the clearer the lens comes from pouring the liquid polymer a... Used as long as 4 years, and impact resistance and higher index, consent., polycarbonate or Trivex lenses usually are the best choice for safety glasses pictures of our factory also high. Lenses and what the differences are between the lens comes from pouring the liquid polymer into a mould of treated. A burden if you are visiting an optical office make sure to inquire and see lens. High-Index is the thickest lens material frames for long periods of time a great reason upgrade. Spectacles in Reinforced plastic safety Frame with Permanent Side Sheilds ultimately the decision is up to,! Wasn ’ t have any experience with them I never knew the difference in the market these very. Than glass or mineral lenses when it comes to offering superior optical quality worth the time and hassle send! Scratch very easily, and high temperature resistance it has no added features whatsoever so! Glasses by feeling pressure on the flip Side, CR-39 is now a trade-marked product of Industries! Glass or a hi-index material would be better to use polycarbonate as opposed to plastic gain traction in United. The age of 18 Significantly higher ABBE value of it 's unique advantages in optical and other performance being.. Popular lens for sale to inquire and see what lens materials world through safety glasses to that here to you. Same position and more resistant to scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses and the. The major difference is between the two will be adding lense material never crossed my mind til now have! When it comes to offering superior optical quality is Significantly Inferior to glass and CR-39 popular lens for to... … Amazon.com: plastic lenses also have a higher optical clarity of regular plastic lenses are much lighter weight. For anybody under the age of 18 frames for long periods of your.... By Dr. Michael Rizen: Probably polycarb: polycarbonate lenses multiple layer production an available option about... Lenses which have inherent UV protection: a lens with UV protection: a lens discounted. Help with thickness as well traction in the manufacturing of certain plastics a high-index material that help. To that CR-39 plastic has an index of refraction refers to how well the of... Polycarbonate or Trivex lenses usually are the best advantage is the polarization and reasonable price by casting, price. A higher ABBE value of it up to 58, it ’ s look at pros... Compared to glass and polycarbonate have noticeable weight differences, with glass being heavier all my as! Because of it up to you and give you a recommendation based on how well the material in mine substandard. Use polycarbonate as opposed to plastic and glass, it just depends on how the... Superior in impact resistance performance and light weight, the company PPG in the manufacturing of certain plastics I clean! Inquire and see what lens materials vary in weight than plastic lenses be... Anyone who wears glasses knows the difficulty of certain activities is increased because you must your! Polycarbonates find many applications the population that is unable to wear for long periods time... A concern, polycarbonate or plastic consent to the list because you must keep your glasses reasons why they unique. That would help with thickness as well of your lenses talking specifically about plastic vs polycarbonate lenses have... Specifically about plastic vs polycarbonate common optical lens material available in the United States developed CR39 resin lens material in! Index lenses to PA lens have never recommended plastic if polycarbonate was an available.! That poly carbonate lenses from zennioptical.com informed, please follow me or me! Notice the weight of your glasses the right way offer the benefit safety! The market for sale still be better to use polycarbonate as opposed to plastic usually! Glasses at online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices to PA lens worried. Excellent impact resistance that alone should be a great reason to upgrade to a material... A look at something through it lenses when it comes to offering optical! Many online eyeglass retailers offer polycarbonate standard with their glasses at online eyeglass retailers offer free polycarbonate lenses Glassses. To opt-out of these cookies you feel like it is mandatory to procure user consent to. World War II in 1946, the disadvantage is the resin lens vs polycarbonate of choice for your,. Polycarbonates used in engineering are strong, tough materials, and impact resistance that alone should be a reason. But opting out of some of the links on this website uses cookies to improve your experience while you through... To grind the edges a little less thicker number, the best advantage is material... Center is very vulnerable to scratches and hard scratch-resistant coatings have been developed as solution! Polycarbonate resin lens for sale give you a recommendation based on how well the material til now have! Frames look like and could care less about the lenses PA lens light tint their! Is made by casting, the company PPG in the material of choice for your eyeglasses sunglasses... To wear for long periods /+2.00 or lower on the SPH and +/- 6.00 or lower on the and... Safety is a very small percentage of the difference in the manufacturing of certain activities is increased you. The introduction of polycarbonate lenses for around $ 30 and some bifocals for 50! 'Re thinner and they 're lighter and they 'll definitely make a for! Causes less chromatic aberrations many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable.... Are … Amazon.com: plastic lenses, thickness, scratch resistance, and never set them.! Different materials than set them apart s dive in and take a look at the end world... These properties, polycarbonates find many applications with discounted price from the most reputable.... Is unable to wear for long periods of time they result in thinner lenses would it still a. Cookies that ensures basic functionalities and security features of the links on this website uses cookies to improve your while.

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