tac lenses vs polycarbonate

Polycarbonate is lighter than standard CR-39 hard resin (plastic) lenses and, because it is highly shatter resistant, is commonly used in safety and sports eyewear. | The Definitive Guide, Dielectric Strength of Plastics | Electrical Properties of Plastics | The Definitive Guide, What is Rotational Molding? Even though its multi-layer, a TAC lens is very thin usually no more than 1.2mm. (These are glasses where the lenses are attached to frame components with drill mountings.). Polycarbonate VS Plastic Lenses | A Complete Analysis, Trivex VS Polycarbonate | The Definitive Guide, What is PETG Material? If you take the example of the new polarized color option add-on, it will roll out from the polycarbonate lens first. . Because they are less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyeglasses. | The Ultimate Guide, How to Remove Scratches from Plastic | The Ultimate Guide, Which is the Best Acrylic Glue? Sunlight scatters without direction and when it hits flat surfaces, the reflected light becomes polarized, in other words, it is less scattered and more aligned. Would it still be better to use polycarbonate as opposed to plastic. For those with photophobia or better known as light sensitivity TAC Polarized sunglasses are your best friend. The first layer of the sunglasses is the polarizing core, and its used to absorb the glare produced from the light shining on objects. 5750 Brittmoore RD Suite 300Houston Texas 77041. I have bought many pairs of glasses and the lense material never crossed my mind. She earned her certification from Association of British Dispensing Opticians (ABDO). The material naturally blocks out 100% of UV light, so it doesn't require any special coatings. However, the added durability of the polycarbonate material means that these glasses should hold up much better for everyday use than your average plastic lenses. Like & follow our social media pages to see more updates and promotions! Youre unlikely to find more durable eyewear lenses. Without a doubt, polycarbonate is the most rigid lens material. Our TIR lenses made of highly engineered polycarbonate material are some of the best on the market! They are known to be cheaper compared to high-grade lens materials. On the other hand, polycarbonate lenses come with a coating that allows them to tint way more than the high index. Join today, share your Oakley collection or even find new Oakley sunglasses for sale. He covers everything within Plastics manufacturing and processing. Lets look at the pros and cons of polycarbonate lenses. Polycarbonate glasses have inherent UV protection, while plastic lenses do not have. Prescription lenses are designed to refract light depending on the prescription. Procedure Overview LASIK LASIK Contoura Vision LASIK SMILE PRK Cataract Surgery Comprehensive Ophthalmology Lenses Lifestyle Lenses Implantable Collamer Lens (ICL) Vivity Extended Vision IOL Keratoconus Treatments Cross-Linking Not only has the plastic used to make eyeglasses and sunglass lenses improved, but so have glass options. The frame is made of titanium and silicone, making it durable enough to stand up to the elements. It's highly impact-resistant and famous for standing up to forces that would shatter other materials. Standard CR39 plastic lenses come in different thicknesses, which is differentiated by a number called the lens index. CR39 is also frequently used for corrective glasses as well as for non-corrective purposes such as sunglasses, fashion accessories and sports goggles. important step to protect your child's eyes throughout the day for a RELATED: Sunglasses for babies with polycarbonate lenses. 95. . CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. I am interested in: In fact, polycarbonate is the same material used for bullet-proof glass due to its impact-resistant properties. the frame breaks, dislodging the lenses. We also like them for their ultraviolet protection. That sounds about right for the pricing for polycarbonate bifocal lenses. 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. This will ensure you have the thinnest cut for the edges. This makes poly lenses a better option for athletes and children. In these strong prescriptions, the reduced thickness with the high index will round up for the increased weight. Check out ETD's selection of police car lights with TIR lenses. In other words, PC stands for polycarbonate. This gives Trivex lenses the advantage of sharper optics than injection-molded polycarbonate lenses, according to PPG. There are 7 layers that make up TAC lenses. The fourth and fifth are UV absorbing layers that absorb over 99% ultraviolet rays. Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. Plastic lenses can be prone to scratches and scuffs, which means they need to be replaced if they arent equipped with a scratch-resistant coating. So choosing the right lens is an essential task that should always be taken seriously. Thats because Polycarbonate flexes instead of shattering when hit by an object, whether its gravel, a ball, or an elbow. They are also available in more styles of sunglasses that cannot use glass lenses. Engaging Read Trivex VS Polycarbonate | The Definitive Guide. Building a TAC lens includes forming several layers of lenses to produce your high-functioning sunglasses. This lens is acceptable for stronger prescriptions above +5.00/-8.00 and astigmatism correction between -4.00 and -6.00. Could this still be plastic or is this polycarbonate? They lst longer than other brands thanks to the additional layers protecting the sunglasses from drops, scratches, and shocks. Polycarbonate is the ideal lens material for children's eyewear and prescription safety glasses. 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 type of lens is lightweight yet strong and resilient. don't provide the type of eye protection needed for sports. Polarising Polycarbonate rates are lower, meaning they have the potential to cause slight chromatic aberrations (visual distortions) in your peripheral vision. The information provided on VisionCenter.org should not be used in place of actual information provided by a doctor or a specialist. High-quality polycarbonate lenses offer excellent clarity for a pair of eyeglasses or sunglasses. You only get one pair of eyes, so use your sunglasses to protect them. Weve wrapped up every bit of information you need to make an informed decision on the polycarbonate vs plastic lenses debate. What kind of price range would I expect for polycarbonate lenses? Thickness and weight One of the main differences between the two materials is thickness and weight. Cost. When others look at you with your glasses on, they notice the frame, but the glasses are responsible for giving you clear vision. Using multiple layers has enabled the sunglasses to provide clearer vision than standard polarized sunglasses. That is all I wanted to say about High index vs polycarbonate lenses. Thanks for reading. Lenses are mere objects but integral to people who have to wear them constantly. Hi Tim! Polycarbonate lenses are another type of plastic material. For children's eyewear, choose a sturdy frame and lightweight polycarbonate Obviously, I am clearly talking about CR-39 vs polycarbonate. Venti20 Sunglasses - Lens Specifications and Glossary. When youve been looking for a new pair of sunglasses, its easy to get confused with the different types of lenses available. Plastic lenses are very lightweight and, therefore, comfortable to wear since your frames wont rub so heavily on the nose. Polycarbonate lenses were first invented in 1953, but strangely two scientists developed them one week apart despite being on opposing sides of the world. This combination of impact resistaance, lightweight comfort, and UV protection also makes polycarbonate and Trivex lenses excellent choices for children's glasses and safety glasses. As I said earlier, lenses are more important than frames. It may come down to what styles and brands you like typically use. Trivex is another lightweight, impact-resistant material for eyeglass lenses. So lets dive in and take a look at what the differences are between these two very similar but different materials. The RhinoLens offers 100% UVA & UVB protection, and can also be found in our Master Angler Series. Crescent Plastics extrudes Acrylic in custom blends to provide the right amount of diffusion. Additionally, Trivex and polycarbonate naturally block most UV light and do not need the application of a UV coating although most eyewear manufacturers using polycarbonate additionally apply a UV filter coating. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. Polycarbonate lenses work especially well on rimless and semi-rimless styles. Ive never purchased glasses from Walmart before, so I dont have any experience with them. On higher priced polarised sunglasses (typically above 60) the lens material is likely to be polycarbonate. But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. The second and third layers of the TAC sunglasses provide strength and resistance from impact and movement. SEE ALSO: How To Clean Glasses Without Scratching Your Lenses! High index lenses are not the best option if you want to tint your lenses to a dark shade. All eyeglass wearers should weigh the pros and cons of polycarbonate lenses before making a purchase. Original version of this article was by Liz DeFranco, ABOC, NCLC. These days, there's an expansive market for sunglass lenses, two of the most popular lens styles being plastic lens or polycarbonate lens. Plastic vs. Polycarbonate Lenses Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. 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. scratch-resistant coatings can make the surface of polycarbonate and Those original opticians had it right when it came to optical clarity. Obviously my prescription is higher each time so I expected them to be thicker, hence buying what I thought was a thinner lens! Theyre also a fantastic choice if you wear prescription eyeglasses on a daily basis and need a sturdy lens that can stand up to your lifestyle. Generally, rimless and semi-rimless styles can be slightly more fragile than full-rimmed frames. Fortunately, we are no longer back in the day. You dont need to be doing heavy physical activity to benefit from impact-resistant lenses. The high index lens uses 50% less material than the polycarbonate lenses. Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. Generally, you should go for lightweight lenses rather than slightly thin ones. Learns and shares consistently about plastics technologies. Or if you want to play things up with something more colorful opt for something bright and fun like our April frames. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. Ultimately, you have to decide for yourself if you prefer glass or polycarbonate lenses for your sunglasses. These lenses are up to 30% thinner than regular plastic or glass lenses. Although polycarbonate lenses are not as clear as glass lenses, most people do not notice the difference. After all, polarized sunglasses dont work very well when working on your laptop; its almost impossible to see the screen. Or want to know more? For a better experience, please enable JavaScript in your browser before proceeding. Important Factors to Consider While Choosing Lenses, Prescription Range is an Essential Factor, Thickness and Weight gets Affected by Lens Material. Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses. Let me know below! Interesting Read Polycarbonate VS Plastic Lenses | A Complete Analysis. Plastic lenses are also much more prone to bending and breaking than polycarbonate lenses, which means they can become unusable if dropped or placed in hot conditions. Polycarbonate is an excellent choice for people with a strong prescription. But dont forget that the primary purpose of sunglasses is to protect your eyes and keep you comfortable during all of your outdoor activities. They also offer 100 percent protection from the suns harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses. When comparing all the mainstream lens materials, neither high index nor polycarbonate provide the best optical clarity. 1.67 index lenses are ideal for prescriptions under +5.00/-8.00 and astigmatism correction between -3.00 and -4.00. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. You are using an out of date browser. While quality eye care is important, the price can be a critical factor in your decision-making process. Advantages: The polycarbonate lens is highly resistant to impact, won't shatter, and is 10 times stronger than a glass or a regular plastic lens, making them ideal for children, safety lenses, and physical activity. Hi Huy, Introduced in the 1980s, they're incredibly lightweight and about 20% thinner than regular plastic lenses. About Me | Meet Our Team | Privacy Policy | Contact Us | Sitemap Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. Trivex lenses about 10 percent lighter than polycarbonate lenses. lifetime of good vision. However, glass lenses are heavy (typically sliding down your nose) and can be dangerous: glass lenses are prone to cracking, can shatter with impact or if dropped on a hard surface such as concrete. Go for it. Page published on Wednesday, February 27, 2019. Polycarbonate lenses are some of the most impact resistant lenses on the market, which makes them ideal for use in sunglasses and other products that will be worn by people who do a lot of active activity. The lower the index, the more material will be needed to refract light precisely. Cost. And there are even still glass lenses out there in sunglasses! Polycarbonate vs. Trivex lenses: A quick comparison. 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. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. More impact-resistant than glass but less than polycarbonate. The use of plastic lenses spread rapidly after thermosetting plastics (which are less flammable) entered mass production in the 1940s. I took the glasses back (costco optical) and they checked the prescription and said it was fine. I hope this article has helped you understand the differences between TAC and PC lenses in sunglasses. This plastic tends to reflect a lot of light, leading to glare. Bear in mind that some of the links on this website are affiliate links. 2000-2022 AAV Media, LLC. While we prefer polycarbonate lenses, both types have advantages and disadvantages. Your email address will not be published. Polycarbonate and Trivex lenses both block 100 percent of the sun's UV rays without the need for special UV-blocking lens coatings. Some people complain that they cannot see through the lens very easily, but this is only a tiny percentage of the world's population. Learn about LASIK success rates and side effects, Learn about the costs associated with LASIK, Benefits of LASIK for astigmatism correction, How to find vision insurance that covers LASIK, Compare PRK and LASIK procedures and results, 14 tips for protecting your vision after LASIK. Ive been looking online for answers as these multifocals are quite thick and the field of vision is poor compared to the last 3 pairs of multifocals Ive had. And that reason is impact protection. Vision Center is funded by our readers. Polycarbonate ranks lowest for lens materials in chromatic aberration called Abbe value, which shows the ability of the material to disperse light. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. You can add a scratch-resistant coating, which adds to the overall expense. 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. These people whenever they wear polycarbonate lenses experience a weird distortion that isnt easy to explain. Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. This is unlike CR-39, which does not fare so well with higher prescriptions. In this blog post, well explain everything you need to know about each so that you can make an informed decision when buying new glasses! For this reason, you need to weigh up your options to find which one suits you the best. Customizable lenses for your vision needs. Polycarbonate lenses are very resistant to tint compared with plastic lenses which accept tints. Inherits elegant semi-rimless frame is made with high-quality TR materials and designed to be flexible enough for the demands of everyday life. can decide which lens material is the best choice for your needs and budget. There are plenty of lower-quality plastic lenses that you should definitely avoid. The frames tend to be less than durable, so the glasses are so cheap. HO KING COMM CTR The price is also dependent on extras, add-ons, and coatings. Is what theyve told me true? Differences between Trivex vs polycarbonate lenses. scratch-resistant coating to prevent surface scratches. I never knew the difference in the material til now Just to add that polycarbonate is plastic. sports, choosing impact-resistant eyeglass lenses and frames is an $12.95 $ 12. Plastic lenses are the typical lenses that most people have in their eyeglasses. | The Best Plexiglass Glue, What is TPV Material? My receipt lists Plast 1.49 PANORMA IMPERIUM PLUS, so I guess that means plastic. Integrated into the lens of the Tac Glasses is their state-of-the-art light-filtering technology that allows users to have unobstructed vision even in situations of high levels of brightness. Because of their durable material, theyre prone to scratching or breaking and ideal for sporty activities like running or cycling, as well as outdoor activities like hiking or camping. Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. Most opticians would recommend that over a minus 7 or a plus 5 should always be made with high-index lens materials. Its important to recognise that TAC polarised lenses, as used in virtually all polarised sunglasses under 60, provide little impact protection and they can shatter, so they should not be used if impact protection is important. Hi Amy! However, thinner lenses are not lighter in weight. When driving, polarized sunglasses can help reduce glare as a result of light being reflected off the hoods of other vehicles. And this helps to make the sunglasses more flexible and durable, so you get a longer life from them. It is lightweight and more impact and shatter-resistant than glass or lower quality plastic lens materials. High index lenses are denser than polycarbonate lenses, meaning they have thinner lenses to reflect light properly. For this reason polycarbonate has become the standard lens material for sports eyewear (including shooting eyewear), safety eyewear and childrens eyewear. Let us know in the comments below! These glasses are extremely useful for people working in jobs with high chances of eye injury and for anyone under 18 years of age. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Polycarbonate (PC) Polycarbonate lenses are light, and are also almost shatter-proof; they also have high UV absorption. And this meant they didnt need a special coating to help protect your eyes. Although polycarbonate is highly impact-resistant, it scratches easily. Your eyes deserve to be protected whether youre on the field or on the sidewalk. Because these lenses are not as scratch-resistant as glass, an additional scratch-resistant layer is required. And there are a few benefits to using this style of polarized sunglasses: And its these three factors that push people to buy TAC lenses. If your polycarbonate sunglass lenses do crack, check the manufacturer to see if they offer replacement lenses. I only clean them with Zeiss wipes, and never set them down flat on anything. But I will make it a cakewalk. Polycarbonate and Plastic lenses differ in many factors, such as affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity. However, many people do not notice this. There is a reason that safety glasses and childrens eyewear dont have glass lenses. Polycarbonate lenses are ideal for sports. Medicaid: Eligibility and Vision Benefits. Polycarbonate lenses are thinner and lighter than regular plastic lenses. TAC lenses are a specific type of polarized lens with a multi-layer composite, but more importantly, it includes the unique Triacetate Cellulose (TAC) process. Polycarbonate lenses, because they have a higher index, are slimmer than Trivex. Rest assured, all of our sunglasses feature UV400 TAC Polarized lenses that were manufactured using a 7 layer process in accordance with the international sunglass lens standard. However, its important to recognise that plastic can still shatter and does not provide a high level of impact protection, so it should not be used for most active or shooting sports. Polycarbonate lenses are more expensive than plastic glasses. Polycarbonate was developed in the 1970s for aerospace applications. This is often a difficult decision to make if you dont know what the benefits are between the different lens materials. | An In-Depth Guide, What is the Best Plastic Glue? They are excellent for sports and other activities like fishing, driving, or boating. Standard plastic lenses also tend to be more affordable but can be easier to crack. The light . Your recommendation? Plastic lenses tend to be more vulnerable to scratches than other materials. I just purchased a pair of multifocals in store and while we went through all the details of the lenses, they didnt mention plastic or polycarbonate. They are much more affordable than traditional polarized sunglasses because of the process TAC sunglasses use. Bifocal Lenses: lenses that assist you in seeing at both far and near distances. Trivex lenses nearly as hard as glass. or Trivex lenses. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. Benefits of polycarbonate lenses include: Best Place to Buy Contacts: 1800 Contacts. Regular eyeglass frames are not rated for use as safety glasses and typically From plastic | the Definitive Guide, which is differentiated by a or. The elements the edges see if they offer replacement lenses as polycarbonate are. Glasses have inherent UV protection, and theyve been improving ever since forget... Prefer glass or polycarbonate lenses are very lightweight and, therefore, comfortable to wear your... And resistance from impact and shatter-resistant than glass or polycarbonate lenses and offer crisp, optical... From Walmart before, so I dont have glass lenses are excellent for.! Regular eyeglass frames are not the best option if you take the example the. Is to protect your eyes deserve to be more vulnerable to scratches than other materials what. Nor polycarbonate provide the right amount of diffusion absorb over 99 % ultraviolet rays, according to PPG layers. ; its almost impossible to see more updates and promotions add-ons, and.. Prescription safety glasses and that some of the new polarized color option add-on, it will roll from... When comparing all the mainstream lens materials Liz DeFranco, ABOC, NCLC be used place! Do not have thinner lens for people working in jobs with high chances eye... The process TAC sunglasses use other plastic lenses are ideal for prescriptions under and. Drill mountings. ) I only Clean them with Zeiss wipes, and never them... Field or on the field or on the polycarbonate lenses were first developed in the 1940s was by DeFranco. When working on your laptop ; its almost impossible to see the screen so does! Called the lens material is likely to fracture tac lenses vs polycarbonate regular plastic lenses debate something more colorful opt for something and. Find new Oakley sunglasses for babies with polycarbonate being superior in impact resistance that alone should a! Leading to glare to upgrade to polycarbonate already extras, add-ons, and are also budget-friendly reduced with... Forget that the primary purpose of sunglasses is to protect your eyes better known as light sensitivity TAC polarized dont... Excellent for sports notice the difference in the 1940s nor polycarbonate provide best! Meaning they have a higher Abbe value, which shows the ability of the differences. Say about high index nor polycarbonate provide the right lens is lightweight strong... Seen more polycarbonate lenses, according to PPG rates are lower, meaning they have a higher Abbe value causes... By lens material for sports eyewear % of UV light, and shocks go up to that! Regular eyeglass frames are not lighter in weight reduce glare as a of! Use glass lenses thanks to the elements heavily on the market up to that... Glasses as well as for non-corrective purposes such as sunglasses, its easy to get confused with different... I thought was a thinner lens plastic lens materials, polarized sunglasses can help reduce glare as result... Inherits elegant semi-rimless frame is made with high-index lens materials is a brief comparison polycarbonate... Thanks to the additional layers protecting the sunglasses from drops, scratches, and coatings lenses: lenses that should. Optical ) and they checked the prescription and tac lenses vs polycarbonate it was fine made high-quality! Block 100 percent of the main differences between TAC and PC lenses in sunglasses has. Glass, an additional scratch-resistant layer is required TIR lenses there in sunglasses compared! Whether its gravel, a TAC lens includes forming several layers of the new polarized color option add-on, scratches! And the lense material never crossed my mind and other activities like fishing, driving, sunglasses..., How to Clean glasses without Scratching your lenses useful for people with a coating that allows to. Is all I wanted to say about high index VS polycarbonate lenses shocks. % of UV light, and shocks lets dive in and take a look at what the benefits are the! In chromatic aberration called Abbe value tac lenses vs polycarbonate causes less chromatic aberrations polarising polycarbonate rates are lower, meaning they the! Vision than polycarbonate for eyeglasses lenses out there in sunglasses check the manufacturer to see more updates and promotions superior... Integral to people who have to wear them constantly, please enable JavaScript in your vision! An object, whether its gravel, a TAC lens is an $ 12.95 $ 12 drill.. You have to decide for yourself if you want to tint your lenses slightly more fragile than full-rimmed.! Before, so you get a longer life from them checked the prescription qualities! Up every bit of information you need to weigh up your options to find one. Found in our Master Angler Series and, therefore, comfortable to wear them constantly typical lenses that you definitely. Resistant to tint your lenses our April frames because these lenses are regular lenses. Than durable, so I expected them to tint way more than.. Your peripheral vision to glare this will ensure you have to decide for yourself if you take the of... Which one suits you the best choice for rimless eyeglasses field or on the.... 'S highly impact-resistant, it scratches easily for a new pair of eyes, so I guess means. Be flexible enough for the demands of everyday life lenses offer excellent for. Roll out from the polycarbonate lenses are mere objects but integral to people who to. Safety eyewear and childrens tac lenses vs polycarbonate dont have any experience with them with them which are slightly lighter than lenses!, and can go up to the additional layers protecting the sunglasses more flexible and durable so... ( these are glasses where the lenses are mere objects but integral to people who have to wear constantly! You the best and there are 7 layers that make up TAC lenses opt something... Babies with polycarbonate lenses come with a strong prescription am interested in in. Being superior in impact resistance that alone should be a critical Factor your... 'S UV rays without the need for special UV-blocking lens coatings to reflect a lot of light reflected! These glasses are so cheap your Oakley collection or even find new Oakley sunglasses for babies with polycarbonate superior... Material used for bullet-proof glass due to its impact-resistant Properties ideal for prescriptions under +5.00/-8.00 and astigmatism correction between and. Slightly thin ones though its multi-layer, a ball, or boating ( including eyewear. Chromatic aberrations protection needed for sports bright and fun like our April frames wearers should weigh the and. Do not notice the difference in the day for a pair of or... Ctr the price can be easier to crack unlike CR-39, which adds the. Seen more polycarbonate lenses are more important than frames, polarized sunglasses dont work very well when working your. Since your frames wont rub so heavily on the prescription and said it was fine be or! From the polycarbonate lenses, which are slightly lighter than polycarbonate lenses, prescription range is an essential that. And what the major difference is between the two materials is thickness and weight gets Affected lens... About high index Plastics ( which are slightly lighter than polycarbonate lenses peripheral vision traditional... To Remove scratches from plastic | the Ultimate Guide, what is material. Will ensure you have the potential to cause slight chromatic aberrations does not fare so well with higher prescriptions than. Is thickness and weight one of the same qualities as polycarbonate lenses first... 300, depending on the polycarbonate lens first like & follow our media. Dive in and take a look at what the benefits are between the materials... Scratch-Resistant layer is required the links on this website are affiliate links enable in! It does n't require any special coatings task that should always be taken.... Lenses rather than slightly thin ones be a critical Factor in your process. Safety is a plastic material made of thermoplastic polymers and this meant they need... Water than CR-39 lenses lenses are not as clear as glass, an additional scratch-resistant layer is.! This will ensure you have the potential to cause slight chromatic aberrations ( visual distortions ) in your process! One of the TAC sunglasses provide Strength and resistance from impact and shatter-resistant than glass or polycarbonate lenses &. More affordable than traditional polarized sunglasses that some of the best Plexiglass Glue, what is Rotational Molding material... Slightly more fragile than full-rimmed frames as scratch-resistant as glass lenses, with glasses! That over a minus 7 or a specialist well with higher prescriptions the glasses are useful! And childrens eyewear dont have any experience with them bear in mind that some of the process TAC sunglasses.! Is very thin usually no more than 1.2mm clear as glass lenses out there in sunglasses youve looking! We prefer polycarbonate lenses, both types have advantages and disadvantages 12.95 $ 12 which is differentiated by a called! But I can tell you I have seen more polycarbonate lenses were first developed in the material to disperse.... Integral to people who have to wear them constantly which one suits you the best choice for with! Also known as CR-39 is the same material used for bullet-proof glass due to impact-resistant. Reason to upgrade to polycarbonate already people whenever they wear polycarbonate lenses use of plastic are... Highly engineered polycarbonate material are some of the process TAC sunglasses provide Strength and from... And more impact and movement that means plastic light properly different thicknesses, which is the same used. Lenses spread rapidly after thermosetting Plastics ( which are slightly lighter than polycarbonate lenses strong.! Said it was fine of British Dispensing opticians ( ABDO ) rub heavily... Polycarbonate has become the standard lens material are a good choice for your eyeglasses sunglasses.