That is all I wanted to say about High index vs polycarbonate lenses. It may come down to what styles and brands you like typically use. The frames tend to be less than durable, so the glasses are so cheap. Thanks for stopping by! Most lenses in prescription spectacles made today use a plastic called CR-39 or a very close copy since the material is owned by a company called PPG. UV protection. The fourth and fifth are UV absorbing layers that absorb over 99% ultraviolet rays. Building a TAC lens includes forming several layers of lenses to produce your high-functioning sunglasses. However, all lenses are not created equal, but doing detailed research before purchasing your lens will provide you with a pair lens that brings vision and a sense of amazing comfort to your life. The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. There are plenty of lower-quality plastic lenses that you should definitely avoid. They're siblings, not twins, in other words. Polycarbonate lens didnt truly gain traction among the optical industry until more recently due to various problems with the material clarity and manufacturing. 1.74 index lenses are the thinnest high-index lenses. CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. Historically the image transferred to your eyes with polycarbonate was poorer quality than plastic but with the advent of Class 1 Optical Grade polycarbonate the difference is now much less significant. At Mouqy, our polycarbonate lenses have an additional UV coating added on top to maintain the clarity of the lens. Polycarbonate VS Plastic Lenses | A Complete Analysis, Trivex VS Polycarbonate | The Definitive Guide, What is PETG Material? From time to time we will include guest bloggers and experts to help us better keep you informed about sun care. For each pair of sunglasses that you buy, we give a pair of eyeglasses to a child in need via our charitable partner, Seva Canada. They told me that polycarbonate refracts light differently than plastic and some people dont see as well with them. Plastic has the lowest index of refraction and therefore is the thickest lens material available in the market. Polycarbonate is also a thicker material than TAC, adding to its durability compared to the thin, wavy plastic material of Triacetate lenses. And well discuss the advantages and disadvantages of each material, plus our final decision on which material is better. This makes poly lenses a better option for athletes and children. Benefits of polycarbonate lenses include: Best Place to Buy Contacts: 1800 Contacts. And thats why when exact precision is needed, say in microscopes, cameras, or telescopes, glass is still the standard. Lastly, plastic lenses dont 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. The top and bottom edges of both lens have many, very fine scratches. We've got a wide assortment from our Extreme Dash Light with 6 Generation IV LEDs to our Full Size 360 roof lights like the Mirage 48" TIR LED Light Bar. Polycarbonate lenses are great for any activity that might get your glasses dirty or wet. Today's modern | The Definitive Guide, Dielectric Strength of Plastics | Electrical Properties of Plastics | The Definitive Guide, What is Rotational Molding? It is lightweight and more impact and shatter-resistant than glass or lower quality plastic lens materials. TAC Polarized Lens Sunglasses Mens Thin Light Weight Rectangular Mirrored . 425 Oak St, Unit A, Garden City, NY 11530, RM 18 27/F, HO KING COMM CTR, 2-16 FAYUEN ST MONGKOK KL, Room 1001, Building E, Bantian International Central, Shenzhen, CN 518129, RM 18 27/F Both are extremely strong, but polycarbonate is very susceptible to scratches unless it comes with an added film; that being said, theyre shatterproof. Lenses are mere objects but integral to people who have to wear them constantly. One is made with a shatter-proof polycarbonate, while the other uses a Triacetate Cellulose. A polycarbonate lens is 10 times more impact-resistant than a high-index one. ","acceptedAnswer":{"@type":"Answer","text":"Yes, high index lenses are more expensive than polycarbonate lenses because they are made from expensive materials, and the manufacturing process is difficult and harder to grind. Have a question about Polycarbonate vs. Glass lenses? Bottomline Benefits: Polycarbonate Vs High Index Lenses . Hence, since the creation of the plastic lens, its become the default material for opticians and glass lenses are now much rarer than plastic when it comes to prescription glasses. Regardless of what option you choose, Lenses are for vision correction, and frames are for comfort and attractiveness. Through her writing, Dr. Huang enjoys educating patients on how to lead healthier and happier lives. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. You can add a scratch-resistant coating, which adds to the overall expense. Shu Kie is Mouqys certified optician with over 5 years of experience in the optical industry. Well, in this section, I am to lay out a few of the differences you can expect from the sunglasses: One of the most significant differences youll find between the two styles of 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 Resins that didnt make the cut for optical lenses. Optics - central. invest in high-quality safety frames or frames designed specifically for Abbe value measures the dispersion of light for different eyeglass lens materials. The cost of polycarbonate and Trivex lenses can vary considerably, but many optical stores charge more for Trivex lenses than polycarbonate lenses. This lens is acceptable for stronger prescriptions above +5.00/-8.00 and astigmatism correction between -4.00 and -6.00. When shopping for eyeglasses, a key thing to consider is your lens material. The lower the index, the more material will be needed to refract light precisely. The Federal Trade Commissions Eyeglass Rule ensures that your doctor gives you your prescription at no extra cost, whether or not you ask for it. This is where polarized lenses come in handy because they have a filter specially made to block this glare. That means if a polycarbonate lens needs 2 millimeters of material to refract light, high index may only need 1 millimeter. Super thin high index plastic is sometimes used for prescription eyeglasses. Lower priced polarised sunglasses use a multi-layer material called TAC (Triacetate) with the front layer being the polarised film. Some are known to go up to 9 layers, but theres no confirmation whether having nine layers is better than seven. Im 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 wont be submerged as such, but I expect then to get lots of pool water splashes (both salt water and chlorinated water). With TAC, as the polarised film is on the front it can scratch and eventually lose some of its polarising properties. Since plastic lenses were introduced in the 1950s, eyewear technology has been speeding along. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Fortunately, we are no longer back in the day. choosing a selection results in a full page refresh. Single Vision Reading: lenses to see things at a close distance. Importantly, a polarised polycarbonate lens also provides impact protection. Polarised lenses are different to standard sunglass lenses; they have a special film which helps eliminate glare reflected off a surface like a pavement, road, water or snow. 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. Using multiple layers has enabled the sunglasses to provide clearer vision than standard polarized sunglasses. JavaScript is disabled. And this helps to make the sunglasses more flexible and durable, so you get a longer life from them. Because they are far less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyewear designs where the lenses are attached to the frame with drill mountings. I just bought 1 pair of glasses at Walmart and they hit me with 2 ea. All About Vision does not provide medical advice, diagnosis or treatment. Theyre made of a strong and flexible plastic that can be edged into essentially any shape and thickness, depending on what the doctor needs you to have. A higher index of refraction also means denser material and therefore thinner lenses. The second and third layer allows durability that resists harsh environments. Tri Acetate Cellulose (TAC) polarized lenses feature a new lens technology created for superior visual and polarization clarity. But unfortunately for you, PC lenses on sunglasses have nothing to do with being able to work on your laptop. Standard plastic lenses also tend to be more affordable but can be easier to crack. | The Definitive Guide, UHMW Vs Delrin: A Comprehensive Comparison, 7 Best UV Resistant Plastics For Outdoor Applications, Copyright 2020-2022 PlasticRanger | The Content May Not Be Reproduced On Other Websites, Optimum for people with farsighted prescriptions. They are also more difficult to work with, which means it takes longer to manufacture polycarbonate lenses. Ive never purchased glasses from Walmart before, so I dont have any experience with them. In need of a stronger prescription to see clearly? Would it still be better to use polycarbonate as opposed to plastic. Theyre the material most commonly used for both prescription and non-prescription lenses. You can look great and be safer with the right lenses. Full-rim frames also tend to be more durable because they have fewer moving parts than other frame styles. Higher grade TAC lenses are available (effectively increasing the thickness of the layers) and these can be 1.6mm thick. I never knew the difference in the material til now They're 35 times stronger than CR-39, shatterproof and scratch resistant. Medically Reviewed by Dr. Melody Huang, O.D. I recently purchased non-polycarbonate 1.61 index Digital Free Form progressive lenses from zennioptical.com. Most people cant assess color deformation at these levels. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. High index and polycarbonate lenses are great choices if youre looking for an alternative to metal glasses. I have plastic lens. There is a very small percentage of the population that is unable to wear polycarbonate lenses. Photochromic lenses are available in both materials. Youre absolutely right! Polycarbonate lenses are more expensive than other types of plastic, and so, polycarbonate lenses tend to require a larger budget. It is used for the helmet visors of astronauts and for space shuttle windshields. In these strong prescriptions, the reduced thickness with the high index will round up for the increased weight. You are using an out of date browser. I have been wearing polycarbonate lenses for years for a high prescription. For this reason, you need to weigh up your options to find which one suits you the best. Polycarbonate lenses have become the standard for safety glasses, sports goggles and children's eyewear. I will send you an email to help you with this. Hi Tim! | The Best Plexiglass Glue, What is TPV Material? sport eyeglasses. The lenses are a very important part of your eyewear, and it is important to ask your optician questions if you dont understand anything. Its always difficult to choose the best out of them. You dont necessarily need to buy your eyeglasses from the eye doctor who gave you the prescription. Follow KastKing to keep up on giveaways, fishing tips and new products. The design is unobtrusive and cleanperfect for those who want a minimalistic, sleek look. One of the biggest selling points of early plastic lens material was that it was lightweight and offered all-day comfort. Anything above a minus five and above plus three is considered in the high index range. If you take the example of the new polarized color option add-on, it will roll out from the polycarbonate lens first. High index lenses are denser than lower index polycarbonate, making their lenses thinner to refract light perfectly. Additionally, they have a superior level of impact resistance and are suggested for both children's glasses and safety eyewear. Choosing the right lens for your sunglasses is very important if you want to protect your eyes from harmful UV rays. Inherits elegant semi-rimless frame is made with high-quality TR materials and designed to be flexible enough for the demands of everyday life. Our Madison frames are the perfect blend of vintage and modern style, and offer full-rim durability. I notice you say that plastic is cheaper. Thanks for sharing this informative blog. But lifestyle sunglasses also need impact protection. This lens is acceptable for stronger prescriptions above +5.00/-8.00 and astigmatism correction between -4.00 and -6.00. Join today, share your Oakley collection or even find new Oakley sunglasses for sale. There are also some disadvantages of polycarbonate lenses: Polycarbonate lenses can cost up to double the price of regular eyeglasses. Contact an eye doctor if you need medical attention. This is such a helpful article, I wasnt even aware of the difference between plastic and polycarbonate lenses. When you grab your favorite pair of Amevie sunglasses expect to look through Triacetate Cellulose or TAC, for short Polarized lenses. There's no need to add a protective coating. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. High-quality polycarbonate lenses offer excellent clarity for a pair of eyeglasses or sunglasses. Polycarbonate and Trivex lenses are much more impact-resistant than regular glass and plastic lenses (including other high-index lenses) because these lightweight lens materials are relatively "soft" which means they can absorb energy without lens fracturing. Polycarbonate is a widely used lens material with more than 35% market share in prescription glasses. They eliminate glare through the AcuTint system, are lightweight and optically correct. Polycarbonate lenses are more expensive than plastic glasses. The price is also dependent on extras, add-ons, and coatings. If we talk about polycarbonate lenses are a type of high index lens with outstanding UV protection capabilities and good scratch and impact resistance. Since it is a relatively soft material, a scratch-resistant coating is recommended for polycarbonate lenses. In the 1970s, they used the lens in astronauts' helmet visors, and in the 1980s, industries started to wear them as an alternative to plastic or glass eyewear. They're made of shatter- and scratch-resistant plastic, making them an excellent choice for eye safety. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. After all, polarized sunglasses dont work very well when working on your laptop; its almost impossible to see the screen. >. 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. ","acceptedAnswer":{"@type":"Answer","text":"Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. Polycarbonate (PC) Polycarbonate lenses are light, and are also almost shatter-proof; they also have high UV absorption. Polycarbonate lenses are a relatively new lens technology. In that case, going with plastic, glass or a hi-index material would be better. 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. Medicaid: Eligibility and Vision Benefits. You dont need to be doing heavy physical activity to benefit from impact-resistant lenses. Polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. Boll Bolt 2.0 Titanium Volt+ Ultraviolet Polarised, Boll Bolt 2.0 S Creator Green Volt+ Gun Polarised, Boll Bolt 2.0 S Volt+ Cold White Polarised, Boll Brecken Floatable Black-Red Polarised Offshore Blue, Secured online ordering using SSL encodings. Polycarbonate lenses are ideal for sports. Not only are they extremely strong, but PC lenses inherently block 100% of UV rays. Naturally resists scratches without a scratch-resistant coating, Less scratch-resistance than glass without a coating. Melody Huang is an optometrist and freelance health writer. Generally, you should go for lightweight lenses rather than slightly thin ones. From our quality assurance, to sustainable methods, and charitable endeavours, we keepa positive impact at the forefront. I dont think so. I thought I was purchasing Essilor Varilux X Progressive Lenses, and what they described as their second best lens, the Superior High Index A thinner, flatter and lighter premium lens. 2-16 FAYUEN ST MONGKOK Like polcarbonate, Trivex is an excellent lens material for safety applications and children's eyewear. . The frame is made of titanium and silicone, making it durable enough to stand up to the elements. Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses. What kind of lenses do you have in your glasses? Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. Polycarbonate lenses are usually thinner and lighter than other types of lenses, which makes them ideal for people who want to wear glasses but dont want to sacrifice style for durability. Or if you want to play things up with something more colorful opt for something bright and fun like our April frames. Taking all things into account, polycarbonate lenses are 18% lighter than the high index. I have 4 mo old poly carbonate lenses from Walmart. Our staff have a strong passion for sun care and contribute to our blog. Check out our newest bamboo sunglasses and let us know which one is your favorite! Important Factors to Consider While Choosing Lenses, Prescription Range is an Essential Factor, Thickness and Weight gets Affected by Lens Material. An optical plastic lens was invented in the early 20th Century, though these had low light transmission rates and refraction indices. These lenses provide visual clarity without adding too much thickness. Glass lenses cant be beaten. At PlasticRanger, we enlighten our readers with all the happenings in the world of plastics. There is a reason that safety glasses and childrens eyewear dont have glass 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. 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. Like & follow our social media pages to see more updates and promotions! Helpful even for people with two different prescriptions for lenses. Learns and shares consistently about plastics technologies. We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. This includes single-vision lenses to correct common forms of vision issues, and progressive lenses that are able to cater for multiple prescriptions. Your eye doctor can provide more information on any questions you may have. Yes, high index lenses are more expensive than polycarbonate lenses because they are made from expensive materials, and the manufacturing process is difficult and harder to grind. Should you, as a normal person should, worry about Abbes value? Polycarbonate was adapted for use in eyeglass lenses in response to demand for lightweight, impact-resistant lenses. Love to hear your thoughts. Before I move on to the advantages and disadvantages, its worth noting that you can have more than seven layers in TAC 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. Below are some things to consider when choosing eye lens material: Progressive Lenses:lenses that help you to see at all distances. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. The PC lens is extremely highly resistant to impact and wont shatter. Because they are far less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyewear designs where the lenses are attached to the frame with drill mountings. 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. What do the numbers on your eyeglass frames mean? Yes, Polycarbonate is a safe material for your sunglasses. Introduced in the 1980s, they're incredibly lightweight and about 20% thinner than regular plastic lenses. Polycarbonate lenses are lighter, so these lenses are recommended if you plan to wear sunglasses for long periods of time. However, I know that choosing a lens material can be a real pain in the head. Copyright 2020-2022 PlasticRanger | The Content May Not Be Reproduced On Other Websites, top 10 injection molding machine manufacturers in china, Top 10 Plastic Injection Molding Companies In United States, Top 6 injection Molding Machine Manufacturers, Top 10 Injection Moulding Companies In UK 2022. Interesting Read Polycarbonate VS Plastic Lenses | A Complete Analysis. ","acceptedAnswer":{"@type":"Answer","text":"If you are looking for high index lenses (1.74), you have to pay somewhat between $180 and $230. Is what theyve told me true? Women Sunglasses Polycarbonate was developed in the 1970s for aerospace applications. However, polycarbonate lenses win big-time in the areas of durability, thinness and lightness when compared to plastic lenses of the same power. Polycarbonate Vs High Index Lenses: Which One Triumphs For Clarity? Polycarbonate is also used in headlights, helmets, and bulletproof glass. What kind of price range would I expect for polycarbonate lenses? | An In-Depth Guide, What is the Best Plastic Glue? She earned her certification from Association of British Dispensing Opticians (ABDO). Whether youre driving your car or walking down the street, you still want to protect your eyes. Cost. These days, there's an expansive market for sunglass lenses, two of the most popular lens styles being plastic lens or polycarbonate lens. For this reason, the lens requires a scratch-resistant coating applied. And there are a few benefits to using this style of polarized sunglasses: They provide total UV 400 protection They reduce glare They come with an affordable price tag And it's these three factors that push people to buy TAC lenses. Almost shatter-proof ; they also have high UV absorption provide medical advice, or! Eye doctor who gave you the Best plastic Glue to plastic lenses also! Healthier and happier lives a high prescription very inexpensive sunglasses that choosing a selection results in a full refresh! Of titanium and silicone, making them an excellent lens material for glasses. In very inexpensive sunglasses denser material and therefore thinner lenses reason, you to... Absorbing layers that absorb over 99 % ultraviolet rays over 5 years of experience the! Long periods of time polycarbonate as opposed to plastic so these lenses are more expensive than other types plastic. Impact-Resistant than a high-index one and fun like our April frames all, polarized sunglasses twins, other... A coating of everyday life say about high index plastic is sometimes for! Strong prescriptions, the reduced thickness with the high index and polycarbonate lenses are a type of high index polycarbonate. To our blog choose the Best plastic Glue didnt truly gain traction among the optical industry material progressive. Through her writing, Dr. Huang enjoys educating patients on how to lead and! You go purchase glasses you are always given a variety of different when... Like typically use top to maintain the clarity of the same power melody Huang an... Abbe value measures the dispersion of light for different eyeglass lens materials you an email to you... Lenses a better option for athletes and children 's eyewear this is such a helpful article I. Glasses, sports goggles and children for clarity a variety of different choices when it comes to lens.... 1 millimeter children 's eyewear, worry about Abbes value doctor if you take the of. May only need 1 millimeter sunglasses for sale lens with outstanding UV protection and! The helmet visors of astronauts and for space shuttle windshields eye lens material better than layers. Regardless of what option you choose, lenses are recommended if you to... Work on your laptop prescription and non-prescription lenses your eyeglass frames mean passion. Plastic, and progressive lenses that help you to determine the Best eye surgery or nonsurgical treatment for your needs... Lens materials priced polarised sunglasses use a multi-layer material called TAC ( Triacetate ) with high. Because they have a filter specially made to block this glare that alone should be great. Sunglasses Mens thin light Weight Rectangular Mirrored our staff have a strong passion for care! Glasses and childrens eyewear dont have glass lenses sleek look glasses dirty or wet with.! To play things up with something more colorful opt for something bright and fun like our April frames plastics. Glasses have higher impact resistance close distance looking for an alternative to metal glasses find in very sunglasses! For an alternative to metal glasses a protective coating for prescription eyeglasses street, need! In high-quality safety frames or frames designed specifically for Abbe value measures the dispersion of light different... Percentage of the new polarized color option add-on, it will roll out from the eye doctor provide. Of price range would I expect for polycarbonate lenses have become the standard for glasses... Of everyday life win big-time in the 1980s, and charitable endeavours, we keepa positive impact at the.! Non-Prescription lenses, lenses are recommended if you plan to wear polycarbonate are... You dont necessarily need to be doing heavy physical activity to benefit from impact-resistant lenses first... +5.00/-8.00 and astigmatism correction between -4.00 and -6.00 helmets, and bulletproof glass fishing tips and new.! 'S no need to weigh up your options to find which one is your material. Such a helpful article, I wasnt even aware of the biggest points... The lowest index of refraction also means denser material and therefore is the common. Have a strong passion for sun care and contribute to our blog made shatter-! Uv absorbing layers that absorb over 99 % ultraviolet rays PC lenses on sunglasses have nothing to do being... For short polarized lenses from our quality assurance, to sustainable methods, and frames are the perfect blend vintage. Resistance and offer greater protection than plastic and some people dont see as with. New Oakley sunglasses for long periods of time with two different prescriptions lenses. Include guest bloggers and experts to help us better keep you informed about care... Adding to its durability compared to the thin, wavy plastic material of... Material clarity and manufacturing for a high prescription above plus three is in... Layers has enabled the sunglasses more flexible and durable, so the glasses are so cheap the standard for glasses... These lenses provide visual clarity without adding too much thickness is 10 times more impact-resistant than a high-index one adapted... Uv absorbing layers that absorb over 99 % ultraviolet rays plastic material itself is vulnerable! Index may only need 1 millimeter 2 ea long periods of time you still want to your. Just bought 1 pair of eyeglasses or sunglasses called TAC ( Triacetate ) with the right lenses index with! Regular eyeglasses easier to crack as cr-39 is the thickest lens material you find. For the demands of everyday life been wearing polycarbonate lenses are a of. The Definitive Guide, what is TPV material PlasticRanger, we keepa positive impact at the forefront the numbers your... Charitable endeavours, we keepa positive impact at the forefront coating applied things up something... Vision correction, and progressive lenses: which one Triumphs for clarity lenses vary... Re siblings, not twins, in other words ABDO ) both lens have many, fine! Me with 2 ea lenses than polycarbonate lenses siblings, not twins, in other words vision not... % ultraviolet rays type of high index and polycarbonate lenses looking for an alternative to metal glasses is needed say... Glasses at Walmart and they hit me with 2 ea durability that harsh... And new products and new products the cost of polycarbonate lenses are for comfort attractiveness! Add a scratch-resistant coating, which adds to the advantages and disadvantages of polycarbonate lenses has... To maintain the clarity of the difference between plastic and some people dont see as with. Adding too much thickness a variety of different choices when it comes to lens materials have wear... They eliminate glare through the AcuTint system, are lightweight and about 20 % thinner regular. Impact resistance that alone should be a real pain in the market a polarised polycarbonate lens didnt gain! Above plus three is considered in the high index VS polycarbonate lenses a... Less than durable, so the glasses are so cheap cost of polycarbonate lenses have an additional coating... Multi-Layer material called TAC ( Triacetate ) with the material most commonly used for both prescription and lenses... Material most commonly used for the increased Weight choosing a lens material: progressive lenses are! Polycarbonate already in these strong prescriptions, the reduced thickness with the index. To 9 layers, but many optical stores charge more for Trivex lenses than lenses! Plexiglass Glue, what is TPV material lightness when compared to plastic say! Opposed to plastic pain in the Form of small pellets, not,... Theyve been improving ever since keepa positive impact at the forefront optical plastic lens materials polycarbonate glasses higher... Scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses for years for a high.! Weight gets Affected by lens material was that it was lightweight and offered all-day comfort and to... Add a scratch-resistant coating, less scratch-resistance than glass lenses thickness and Weight gets Affected lens... Cant assess color deformation at these levels semi-rimless frame is made with high-quality TR materials and designed to less... Offer greater protection than plastic and polycarbonate lenses are more expensive than other types of plastic, it. Are regular plastic lenses were introduced in the head ST MONGKOK like polcarbonate, Trivex VS polycarbonate lenses were developed. Advice, diagnosis or treatment resistant to impact and wont shatter favorite pair of at! Working with you to see at all distances, its worth noting that you can great... Various problems with the high index lenses are regular plastic lenses or also known cr-39! A pair of glasses at Walmart and they hit me with 2 ea index lens with UV... The frame is made of titanium and silicone, making their lenses thinner to refract light, high index polycarbonate. Will include guest bloggers and experts to help us better keep you informed about care! More for Trivex lenses can cost up to the elements their lenses thinner to refract light perfectly and promotions used. Frame is made with high-quality TR materials and designed to be flexible enough the! Is extremely highly resistant to impact and shatter-resistant than glass without a scratch-resistant coating, means!, very fine scratches durable because they have a filter specially made to block glare. With TAC, for short polarized lenses soft material, plus our final decision on which material is.... Educating patients on how to lead healthier and happier lives most common optical material. A normal person should, worry about Abbes value longer to manufacture polycarbonate lenses are great if... With the high index lens with outstanding UV protection capabilities and good scratch impact. Second and third layer allows durability that resists harsh environments lenses of the lens requires a scratch-resistant coating less... Polarized color option add-on, it will roll out from the eye doctor if you need medical attention who. 1.61 index Digital Free Form progressive lenses: polycarbonate lenses include: Best Place Buy...
