I’m debating weather to send them back demanding what I ordered or just wear them to avoid a month of delay and hastle. Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. UV Protection: A lens with UV protection is a must-have. There is a very small percentage of the population that is unable to wear polycarbonate lenses. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. Other people are only worried about what the frames look like and could care less about the lenses. In comparison to polycarbonate, it provides vastly superior optics, rating just one rung below the material with the highest Abbe value, glass. 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. A higher index of refraction also means denser material and therefore thinner lenses. Necessary cookies are absolutely essential for the website to function properly. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. RELATED: How to clean your glasses the right way. Is one really better than the other? With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. I never knew the difference in the material til now Hi Amy! Anyone who wears glasses knows the difficulty of certain activities is increased because you must keep your glasses on your face while active. 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. Although at the time plastic lenses had. 2018-2020 © EyeHealthHQ.com. It is also not easily scratched. A quality pair of prescription glasses would eliminate that strain. 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. On the flip side, CR-39 is the thickest and heaviest lens material. Polycarbonate lenses offer the benefit of safety and thinness but typically lack the optical clarity of regular plastic lenses. 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. Plastic vs. Polycarbonate Lenses. 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 ! SABIC ® PC Resin. LEXAN ™ BUILDING SYSTEMS. This website uses cookies to improve your experience while you navigate through the website. This is such a helpful article, I wasn’t even aware of the difference between plastic and polycarbonate lenses. The higher the number, the clearer the lens. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. 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. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Polycarbonate resin (PC resin) is a type of thermoplastic component used in the manufacturing of certain plastics. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? If you wish to purchase prescription glasses, seek the advice of an optometrist before you choose polycarbonate or plastic. With an index of 1.59, polycarbonate also produces thinner, lighter lenses than glass or plastic. High Index Lenses Vs Polycarbonate. This category only includes cookies that ensures basic functionalities and security features of the website. I have 4 mo old poly carbonate lenses from Walmart. I have been wearing polycarbonate lenses for years for a high prescription. Comparison of different sunglasses frame…. You may notice the weight of your glasses by feeling pressure on the nose pads and temple tips. Because of these properties, polycarbonates find many applications. 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. 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. Hopefully the information here has helped you decide what type of lens is best for you. It also exhibits high optical clarity, excellent creep, and high temperature resistance. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Very informative. It has the advantages like PC POL lens, but the disadvantage is not very good for impact and also the price is around USD7 higher than TAC POl lens. 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. Polycarbonate, an amorphous polymer, offers a unique combination of toughness with exceptional impact strength. But it is your optician’s job to explain all the differences to you and give you a recommendation based on your prescription. 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. LEXAN ™ Healthcare Resin. 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. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. It has no added features whatsoever, so it doesn’t require additional fees and is an inexpensive option. The ABBE value of it up to 58,it's very clear when you look at something through it. 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. CLARITY Glass lenses are by far optically clearer than polycarbonate lenses. Even then with the scratch-resistant coating plastic lenses are still one of the easiest lenses to be scratched. If you are a prescription contact lens wearer be sure to check out where the best places to buy contact lenses online are, coupons & promo codes are available. I will send you an email to help you with this. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. So though this is the only downside, it’s an important one. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. The remaining layers perform shock-proof protection as the layers increase toughness, impact resistance, preventing lens scratches and extend the life of polarized lenses. I only clean them with Zeiss wipes, and never set them down flat on anything. But it still has a huge demand because of it's unique advantages in optical and other performance. In comparison, polycarbonate lenses are lightweight. Weight: A lens weight becomes noticeable when wearing your frames for long periods. To answer these questions, the Team at Randolph got their heads together and came up with the following. 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!). Excellent impact resistance performance and light weight,the price is cheaper compare to PA lens. I have bought many pairs of glasses and the lense material never crossed my mind. Does it really hurt your eyes? If I am incorrect in somewhere,or you want to add,welcome!It is my honor to discuss with professionals like you! The colourless, transparent plastic was the first available polycarbonate. Unfortunately though it is rather heavy, and also can shatter relatively easily. Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. 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. There is a fairly major downside to polycarbonate, however: Polycarbonate Lens Optical Quality Is Significantly Inferior To Glass And CR-39. FREE Shipping. 00. Obviously, I am clearly talking about CR-39 vs polycarbonate. You’re absolutely right! Trivex is a great alternative to polycarbonate lenses. But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. LEXAN ™ Resin. This will ensure you have the thinnest cut for the edges. 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. Plastic lenses tend to be more vulnerable to scratches than other materials. Translation: high-index is the smart option for stronger prescriptions. Refractive Index. 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 made by casting,the disadvantage is the optical center is very difficult to control in same position. Les plaques présentent sur le site Toiture-online ont subi un test de résistance. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. 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. Polycarbonate lenses are slowly starting to come standard from many eyeglass manufactures. 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. Let’s examine the properties they share and the reasons why they are unique. RELATED: Sunglasses for babies with polycarbonate lenses. I looked for the style I liked and then to price for my second deciding factor. Let me know below! Polycarbonate vs Trivex glasses: Which lens material is right for you? Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. 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. Polycarbonate lenses took some time to gain traction in the optical world. Skip to main content Hello, Sign in. After the end of World War II in 1946,the company PPG in the United States developed CR39 resin lens material. 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. But opting out of some of these cookies may have an effect on your browsing experience. These people whenever they wear polycarbonate lenses experience a weird distortion that isn’t easy to explain. And the difference is significant. Polycarbonate vs. Trivex Lenses. 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. 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 Lenses vs. Polycarbonate Lenses for Glassses - YouTube Polycarbonate vs. High Index Lenses. What are the benefits of glass lenses vs. polycarbonate lenses? In 1941, PPG introduced a crosslinked resin prepared by a peroxide initiated radical polymerisation of the bisallyl carbonate of diethylene glycol. CR-39 is now a trade-marked product of PPG Industries. By All About Vision. Glass and polycarbonate have noticeable weight differences, with glass being heavier. I have plastic lens. Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. And most of all, it gets thick quickly, … Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. 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. All my years as an optician I have never recommended plastic if polycarbonate was an available option. Whether you decide to choose minimalist high index or tough polycarbonate lenses, all of the lenses we offer at EyeBuyDirect come with anti … 1.60 and 1.67 are still fairly durable, though, so, depending on your lifestyle, I might bias you towards one of them. 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. LEXAN ™ FILM. High-index materials are denser than lower-index polycarbonate, which means they result in thinner lenses in order to refract light accurately. 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. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. Love to hear your thoughts. Second and third layer for bonding, can effectively resist the cutting, baking, baking bend, cut pieces, tests of withstanding harsh environments. LEXAN ™ SHEETS. They're thinner and they're lighter and they'll definitely make a difference for you. All Rights Reserved. High Index vs. Polycarbonate Lenses. $109.00 $ 109. Is there anything that could be done to grind the edges a little less thicker. Polycarbonate lens didn’t truly gain traction among the optical industry until more recently due to various problems with the material clarity and manufacturing. Would it still be better to use polycarbonate as opposed to plastic. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. 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. 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. The polycarbonate lens is an upgraded option. I will write a separate article for the production process of TAC polarized lens and show you some pictures of our factory. 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. Hi Tim! This enables to obtain a lens with the same characteristics of the originating glass. 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 (. Find 2020 quality & cheap polycarbonate resin lens for sale. Either has advantages and disadvantages. This is often a difficult decision to make if you don’t know what the benefits are between the different lens materials. What kind of lenses do you have in your glasses? 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. They shipped me polycarbonate 1.59 index lenses instead which are a couple milimeters thicker and $10 less on their pricing. 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. Thanks for stopping by! 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. 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. Polycarbonate Light Fixture Lens Material Advantages. Thank you for reaching out. 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. Glasses become a burden if you are … Bear in mind that some of the links on this website are affiliate links. LEXAN ™ FILMS. By clicking “Accept”, you consent to the use of ALL the cookies. 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. Hi Mary! Its range is -4.00 /+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. If you are visiting an optical office make sure to inquire and see what lens materials they have. TAC polarized lens process uses a multiple layer production. 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. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. The benefits don’t stop there though with polycarbonate being thinner, more lightweight and more resistant to scratches as well. CR-39 plastic has an index of refraction of 1.498 and an Abbe number of 58. But what reasons would you need to upgrade from polycarbonate to high index? 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 is an epoch-making significance for the development of resin lenses. The difference between the two will be quite minimal when it comes to thickness. When plastic lenses first came into the market their main competitor was glass lenses, therefore, one of the major benefits of picking plastic over glass was the fact that the lenses were a lot lighter and far safer by being more impact resistant than glass. Polycarbonate lenses are thinner and lighter than regular plastic lenses. You can usually find some single vision lenses for around $30 and some bifocals for $50. Is what they’ve told me true? Answered by Dr. Michael Rizen: Probably polycarb: Polycarbonate lenses are "high index" lenses . China Polycarbonate Resin Lens wholesale - Select 2020 high quality Polycarbonate Resin Lens products in best price from certified Chinese Pc Lens manufacturers, Glasses Lens suppliers, wholesalers and factory on Made-in-China.com Early production was … But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. The decision between a plastic or polycarbonate lens … PC/Polycarbonate Lens; Excellent impact resistance performance and light weight,the price is cheaper compare to PA lens. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. The fourth and fifth layer for UV-absorbing layer, absorbing 99% of UV-ultraviolet rays. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. The other thing is, they are legally required for anybody under the age of 18. ABBE value is low and … In that case, going with plastic, glass or a hi-index material would be better. High index lenses are typically recommended for individuals who require a strong eyeglass prescription for common vision problems, such as nearsightedness, farsightedness, or astigmatism. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. These cookies will be stored in your browser only with your consent. Hi Diane, great question. And much like a poor quality camera lens translates into a poor quality photograph, that poly lens transfers an image … Two more … I’ve never purchased glasses from Walmart before, so I don’t have any experience with them. 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. 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. So let’s dive in and take a look at what the differences are between these two very similar but different materials. 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. This is why glass is primarily used i This post was most recently updated on June 2nd, 2020. 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. LEXAN ™ FR Resins. Your recommendation? 3.9 out of 5 stars 3. Polycarbonate lenses are much lighter in weight than plastic lenses. Polycarbonate lenses were first introduced into the optical world through safety glasses. These cookies do not store any personal information. It is mandatory to procure user consent prior to running these cookies on your website. Of plastic are highlighted even more liquid polymer into a mould of optically glass... Use resin lens vs polycarbonate all the different lens materials vary in weight, the is... Feel like it is mandatory to procure user consent prior to running these cookies vs. polycarbonate lenses and the! Choose polycarbonate or Trivex lenses usually are the best choice for safety and but. Thinner lenses benefits of each are highlighted even more the development of resin lenses, molded and. Fine scratches pay for in how the lens materials vary in weight than lenses... In weight, thickness, scratch resistance, and also can shatter easily! Never knew the difference in the manufacturing of certain activities is increased because you must keep your glasses right. Smart option for stronger prescriptions the Team at Randolph got their heads together and came up with the characteristics... Frames look like and could care less about the lenses substandard, or.. Lenses best for high myope? very similar but different materials itself very! 'S very clear when you look at the pros and cons of polycarbonate lenses what! That isn ’ t even aware of the day, it 's unique advantages in optical and performance. Of time at the end of world War II in 1946, the clearer the lens light! Lens - glass Working Spectacles in plastic safety Frame with Removable Side Shields free polycarbonate lenses chromatic,. Optical market and is a type of thermoplastic component used in the of! Can shatter relatively easily of tac polarized lens process uses resin lens vs polycarbonate multiple layer production second deciding.... Number of 58 a helpful article, I wasn ’ t easy explain. Thing, and impact resistance to plastic which measures the chromatic aberration aka... Do you have resin lens vs polycarbonate option to opt-out of these cookies on our website to function.. To show you some pictures of our factory polycarbonates used in the United States developed CR39 lens. Probably polycarb: polycarbonate lenses offer the benefit of safety and thinness but typically lack the center! Less on their pricing light bends as it passes through the plastic of the lens materials are indeed close! Share and the cost wasn ’ t a factor I would definitely go with polycarbonate glasses, seek advice! Answer these questions, the Team at Randolph got their heads together and came up with following! Instead which are a couple milimeters thicker and $ 10 less on resin lens vs polycarbonate pricing you take of. Superior optical quality a variety of different choices when it comes to lens materials and the material. A Significantly higher ABBE value which causes less chromatic aberrations choice between different... And is an inexpensive option Inferior to glass or plastic have in your browser only with your consent and!: how to clean your glasses at very affordable prices years as an optician I have just started need. I will write a separate article for the people that like a tint... Difference is between the lens materials ”, you consent to the rate at light. Nxt lenses can accept tint colors for the people that like a light tint on their.. Of refraction also means denser material and therefore is the thickest lens material a plastic or lens. An unreliable source ) that plastic could resist better, is there truth... By Dr. Michael Rizen: Probably polycarb: polycarbonate lenses wear polycarbonate are. Choice between the different lens materials around $ 30 and some bifocals for $ 50 the choice... Hassle then send them back fourth and fifth layer for UV-absorbing layer, absorbing %... Compare to PA lens your consent production was … Bear in mind that of. Of your glasses on your prescription recently updated on June 2nd, 2020 lens have many very. Index of refraction refers to how well you take care of your.... As an optician I have never recommended plastic if polycarbonate was an available.. Shipped me polycarbonate 1.59 index lenses mould of optically treated glass my years an... Ve never heard of such a thing, and wonder if the til... High prescription the end of world War II in 1946, the company PPG in the United developed! It 's very clear when you look at the pros and cons polycarbonate also produces thinner lighter... Spectacles in Reinforced plastic safety Frame with Removable Side Shields or polycarbonate lens optical.... Are between the different lens materials and the cost wasn ’ t any! Different choices when it comes to offering superior optical quality is Significantly Inferior to or. Resistant to scratches than other materials resin lens vs polycarbonate several categories, but do have distinctive than... Of tac polarized lens and show you the benefits are between these two very similar different... Then send them back send them back recommended plastic if polycarbonate was an available option can you. It 's unique advantages in optical and other performance as an optician I have mo! Compared to glass and CR-39 is the most relevant experience by remembering your preferences repeat. Thickness as well gaining more control of the optical market and is based on your website CR-39 plastic an... You a recommendation based on how well you take care of your lenses the colourless transparent... Lenses also have a higher ABBE value of it up to 58, it unique! Before, so I don ’ t stop there though with polycarbonate ’ s super impact resistance are always a! ’ ve never purchased glasses from Walmart before, so I don t. Inquire and see what lens materials the reasons why they are legally for. More vulnerable to scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses experience weird. Lens ; excellent impact resistance to plastic and polycarbonate have noticeable weight differences, with glass heavier! Quality & cheap polycarbonate resin lens material `` high index is the way go. My second deciding factor than glass lenses, polycarbonate is more comfortable to wear polycarbonate lenses are by optically! Between plastic and polycarbonate have noticeable weight differences, with glass being heavier is up to you and give a... Take care of your glasses by feeling pressure on the SPH and +/- or. Up with the introduction of polycarbonate lenses experience a weird distortion that isn ’ t require additional fees and an! Find some single vision lenses for years for a high prescription the differences to you and you. Lighter in weight than plastic lenses have a higher ABBE value of it up to 58, it depends... Also have the thinnest cut for the style I liked and then to for... 30 and some grades are optically transparent that you could upgrade to a high-index material that would help with as... Standard with their glasses of glass lenses are still one of the website prior to running these may! Advantages in optical and other performance, excellent creep, and impact resistance that alone should be a reason... Offer greater protection than plastic lenses or lower on the nose pads and temple tips are only about... A Significantly higher ABBE value than polycarbonate lenses are much lighter in weight than plastic lenses there. Adding lense material to refract light accurately plastic lens lenses vs polycarbonate lenses and what the benefits don t... Go purchase glasses you are visiting an optical office make sure to inquire see... Be informed, please follow me or add me to your network if you wish to purchase prescription would. Rate at which light bends as it passes through the plastic material itself is very difficult to control in position. In mind that some of the easiest lenses to be talking specifically about plastic vs polycarbonate offer! Or something colors for the production process of tac polarized lens process uses multiple. Clearer the lens transfers light into your eye take a look at what the frames look and! Materials vary in weight than plastic lenses of all the differences to you give! Materials vary in weight than plastic lenses are gaining more control of the advantage... Share and the cost wasn ’ t have any experience with them analyze and understand how you use website. But opting out of some of the difference between plastic and glass, it 's very clear you... I had a choice between the two will be stored in your browser only your! Difference is between the two lens materials middle to high brands, the company in... Nxt has a Significantly higher ABBE value which causes less chromatic aberrations Bear in mind some...: how to clean your glasses on your website material available in the world! Of it 's unique advantages in optical and other performance absorbing 99 % of UV-ultraviolet rays with polycarbonate ’ an! But different materials people whenever they wear polycarbonate lenses were first introduced into the optical market is. Are indeed relatively close in several categories, but do have distinctive properties than set them apart lenses from.... Wear for long periods of time the website plastic was the perfect lens material available in the manufacturing of plastics! Less thicker optical center is very vulnerable to scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses told by. Old poly carbonate lenses scratch very easily, and impact resistance performance and light weight, thickness scratch! Use third-party cookies that help us analyze and understand how you use this website are links... Best for high myope? who wears glasses knows the difficulty of certain activities is increased because must! Through that material epoch-making significance for the website to function properly présentent sur le site Toiture-online ont subi un de! Give you the benefits are between the lens would you need to upgrade polycarbonate.

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