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. 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. Comparison of different sunglasses frame…. Polycarbonate, an amorphous polymer, offers a unique combination of toughness with exceptional impact strength. 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 are thinner and lighter than regular plastic lenses. This will ensure you have the thinnest cut for the edges. Thank you for reaching out. This enables to obtain a lens with the same characteristics of the originating glass. Les plaques présentent sur le site Toiture-online ont subi un test de résistance. Excellent impact resistance performance and light weight,the price is cheaper compare to PA lens. LEXAN ™ Healthcare Resin. This website uses cookies to improve your experience while you navigate through the website. The other thing is, they are legally required for anybody under the age of 18. If I am incorrect in somewhere,or you want to add,welcome!It is my honor to discuss with professionals like you! Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Love to hear your thoughts. 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. It is an epoch-making significance for the development of resin lenses. What you gain in impact resistance and higher index, you pay for in how the lens transfers light into your eye. Polycarbonate vs. Trivex Lenses. Plastic lenses look the optical industry by storm when they were introduced. By clicking “Accept”, you consent to the use of ALL the cookies. Polycarbonate resin (PC resin) is a type of thermoplastic component used in the manufacturing of certain plastics. What kind of lenses do you have in your glasses? Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. They're thinner and they're lighter and they'll definitely make a difference for you. 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. The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. We also use third-party cookies that help us analyze and understand how you use this website. Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. Consequently, polycarbonate is the material of choice for safety and children’s eyewear. Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. To answer these questions, the Team at Randolph got their heads together and came up with the following. 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. I’m debating weather to send them back demanding what I ordered or just wear them to avoid a month of delay and hastle. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. 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. 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. Let’s examine the properties they share and the reasons why they are unique. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? Is what they’ve told me true? We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. These cookies do not store any personal information. 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. 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. I have plastic lens. 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. I only clean them with Zeiss wipes, and never set them down flat on anything. Whether you decide to choose minimalist high index or tough polycarbonate lenses, all of the lenses we offer at EyeBuyDirect come with anti … Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. 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. Plastic has the lowest index of refraction and therefore is the thickest lens material available in the market. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. I will write a separate article for the production process of TAC polarized lens and show you some pictures of our factory. 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. You’re absolutely right! Is there anything that could be done to grind the edges a little less thicker. Although at the time plastic lenses had. I have just started to need glasses for reading. 1.60 and 1.67 are still fairly durable, though, so, depending on your lifestyle, I might bias you towards one of them. 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 ! A higher index of refraction also means denser material and therefore thinner lenses. Plastic lenses tend to be more vulnerable to scratches than other materials. But what reasons would you need to upgrade from polycarbonate to high index? I’ve had glasses that were used as long as 4 years, and never had such a problem. Ultimately the decision is up to you, I am just here to show you the benefits of each. If you are looking for thinner, lighter lenses that are comfortable, high index is the way to go. 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. ABBE value is low and … Find 2020 quality & cheap polycarbonate resin lens for sale. 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. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Just to add that polycarbonate is plastic. So let’s dive in and take a look at what the differences are between these two very similar but different materials. Amazon.com: plastic lenses vs polycarbonate lenses. 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. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. 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. 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. If you want to be informed, please follow me or add me to your network if you don't mind :). RELATED: Sunglasses for babies with polycarbonate lenses. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. 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). 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. PC/Polycarbonate Lens; Excellent impact resistance performance and light weight,the price is cheaper compare to PA lens. You may notice the weight of your glasses by feeling pressure on the nose pads and temple tips. Does it really hurt your eyes? CR-39 is now a trade-marked product of PPG Industries. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. If you wish to purchase prescription glasses, seek the advice of an optometrist before you choose polycarbonate or plastic. 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. Hi Mary! 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. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. Necessary cookies are absolutely essential for the website to function properly. The difference between the two will be quite minimal when it comes to thickness. I recently purchased non-polycarbonate 1.61 index “Digital Free Form” progressive lenses from zennioptical.com. Other people are only worried about what the frames look like and could care less about the lenses. This post was most recently updated on June 2nd, 2020. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. Its range is -4.00 /+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. Option to opt-out of these cookies may have an effect on your website find 2020 quality & cheap polycarbonate (. A separate article for the website look like and could care less about lenses... 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