sports eyewear is dangerous and can result in a serious eye injury if All About Vision does not provide medical advice, diagnosis or treatment. You can look great and be safer with the right lenses. I recently purchased non-polycarbonate 1.61 index Digital Free Form progressive lenses from zennioptical.com. Required fields are marked *. Go for it. 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. This makes poly lenses a better option for athletes and children. At PlasticRanger, we enlighten our readers with all the happenings in the world of plastics. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? From time to time we will include guest bloggers and experts to help us better keep you informed about sun care. sports, choosing impact-resistant eyeglass lenses and frames is an Thank you for reaching out. Whether youre driving your car or walking down the street, you still want to protect your eyes. I dont think so. Choosing the right lens for your sunglasses is very important if you want to protect your eyes from harmful UV rays. Like & follow our social media pages to see more updates and promotions! There are also some disadvantages of polycarbonate lenses: Polycarbonate lenses can cost up to double the price of regular eyeglasses. Polycarbonate's impact resistance is so good that it's used for lenses in both safety and sporting eyeglasses. Polarized Polycarbonate RhinoLenses are virtually indestructible. Availability. 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. HO KING COMM CTR You may also want to consider reading this article on acetate vs plastic frames if youre looking to dive deeper into your glasses materials. The truth is that our eyes cant really detect the difference in clarity between glass and high-quality polycarbonate. 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. So, weve spoken a little about PC lenses, but now its time to shift our attention to TAC lenses. Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. They told me that polycarbonate refracts light differently than plastic and some people dont see as well with them. We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. When shes not working, Dr. Huang loves reviewing new skin care products, trying interesting food recipes, or hanging with her adopted cats. "}},{"@type":"Question","name":"How much do high-index lenses cost? I am interested in:
When the light goes through the lens, its path is calibrated by the curves of the lens. ","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. Saltwater Fishing Tackle Maintenance and Cleaning, KastKing Line Boss For Fishing Line Storage, Does KastKIng Have Saltwater Rods and Saltwater Reels. Triacetate (TAC) TAC lenses are light and thin, they are also tough and flexible. Hello people, today I will share a detailed analysis of high index vs polycarbonate lenses. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. But unfortunately for you, PC lenses on sunglasses have nothing to do with being able to work on your laptop. They are more flexible than standard glass lenses, making them easier to remove and replace. Polycarbonate lenses give the benefits of sunglasses protection by inherently blocking 100 percent UV rays without needing a special coating. They are much more affordable than traditional polarized sunglasses because of the process TAC sunglasses use. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. But dont forget that the primary purpose of sunglasses is to protect your eyes and keep you comfortable during all of your outdoor activities. Your choice of lenses is completely dependent on your vision needs. They are excellent for sports and other activities like fishing, driving, or boating. A polycarbonate lens is 10 times more impact-resistant than a high-index one. 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. Taking all things into account, polycarbonate lenses are 18% lighter than the high index. Some companies use exclusively one or the other, some offer both. Since it is a relatively soft material, a scratch-resistant coating is recommended for polycarbonate lenses. | The Best Plexiglass Glue, What is TPV Material? Most eye care professionals offer a lens warranty to protect your lenses against scratches for a specified period of normal use. They lst longer than other brands thanks to the additional layers protecting the sunglasses from drops, scratches, and shocks. Through her writing, Dr. Huang enjoys educating patients on how to lead healthier and happier lives. The RhinoLens offers 100% UVA & UVB protection, and can also be found in our Master Angler Series. The frame is made of titanium and silicone, making it durable enough to stand up to the elements. This gives Trivex lenses the advantage of sharper optics than injection-molded polycarbonate lenses, according to PPG. Materials like crown glass, Trivex, and CR-39 steal the show. Find an eyecare professional and book online in minutes! Helpful even for people with two different prescriptions for lenses. Does it really hurt your eyes? Polycarbonate is an excellent choice for people with a strong prescription. Yes, Polycarbonate is a safe material for your sunglasses. 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. UV protection. Polycarbonate lenses are very resistant to tint compared with plastic lenses which accept tints. Theyre designed to withstand impact, correct vision issues and support more active lifestyles. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Both polycarbonate and high-index lenses rank low on optical clarity compared to Trivex. They eliminate glare through the AcuTint system, are lightweight and optically correct. 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. 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. These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. Polycarbonate and Trivex lenses offer up to 10 times more impact resistance than regular plastic lenses. Original version of this article was by Liz DeFranco, ABOC, NCLC. Its the most scratch resistant lens material and blocks UV light. Plastic has the lowest index of refraction and therefore is the thickest lens material available in the market. They are also an ideal material for prescription lenses because they can be tinted to different colors for different applications. Fortunately, we are no longer back in the day. This will ensure you have the thinnest cut for the edges. Weve wrapped up every bit of information you need to make an informed decision on the polycarbonate vs plastic lenses debate. The fourth and fifth are UV absorbing layers that absorb over 99% ultraviolet rays. Even if he or she does not participate in organized 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. Customizable lenses for your vision needs. don't provide the type of eye protection needed for sports. 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. Polycarbonate and Plastic lenses differ in many factors, such as affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity. High index lenses are denser than polycarbonate lenses, meaning they have thinner lenses to reflect light properly. The content on this site is for informational purposes only. The best TAC Polarized Lens are those that block more than 99% of harmful UV rays with wavelengths up to 400 nanometers. Polarising All opinions expressed herein do not necessarily reflect those of Oakley, Inc. Want instant exchange acces, no ads and tons of other benefits? Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. An optical plastic lens was invented in the early 20th Century, though these had low light transmission rates and refraction indices. JavaScript is disabled. While quality eye care is important, the price can be a critical factor in your decision-making process. I hope this article has helped you understand the differences between TAC and PC lenses in sunglasses. 5750 Brittmoore RD Suite 300Houston Texas 77041. 1.67 index lenses are ideal for prescriptions under +5.00/-8.00 and astigmatism correction between -3.00 and -4.00. Here are some of our favourites! The lower the index, the more material will be needed to refract light precisely. Polycarbonate lenses are ideal for sports. This can make them a little more suitable for sports and other outdoor activities, for those times you dont want to wear contact lenses. Learns and shares consistently about plastics technologies. 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. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. Liingo Eyewear is another great option to buy glasses online. Your professional optician can discuss the pros and cons of polycarbonate and Trivex lenses so you Polycarbonate sunglasses are very susceptible to scratches. Even the most modern glass lens is more likely to break or shatter than a polycarbonate lens. Get Traffic & Exposure. 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. CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. For the best eye protection at work and during sports, be sure you also Optics - central. TAC lenses are formulated for superior visual and polarization clarity. ($45 vs $55) I also tend to think TAC glasses provide more polarized sunglasses with a clearer vision, which in my mind, makes them more attractive. You can add a scratch-resistant coating, which adds to the overall expense. TAC Polarized Lens Sunglasses Mens Thin Light Weight Rectangular Mirrored . The top and bottom edges of both lens have many, very fine scratches. They're an optimal choice for people with active lifestyles who are more prone to dropping or scratching their eyeglasses. But that doesnt mean polycarbonate or plastic lenses are not clear. 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. I have just started to need glasses for reading. Is what theyve told me true? All eyeglass wearers should weigh the pros and cons of polycarbonate lenses before making a purchase. The same property, which makes it thinner, also makes it heavier. It may come down to what styles and brands you like typically use. Oakley Forum is the largest and most reliable platform for Oakley news, updates and any information you are looking for about Oakley sunglasses and other products. These lenses are up to 30% thinner than regular plastic or glass lenses. Important Factors to Consider While Choosing Lenses, Prescription Range is an Essential Factor, Thickness and Weight gets Affected by Lens Material. Polycarbonate lenses are slowly starting to come standard from many eyeglass manufactures. GlassesUSA has a huge selection of contacts, glasses, & sunglasses. Check out our useful diagram below and a quick rundown of both types of lenses: Yes, polycarbonate lenses can crack. 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. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. If your polycarbonate sunglass lenses do crack, check the manufacturer to see if they offer replacement lenses. And this was because, unlike plastic or glass eyewear, polycarbonate lenses won't shatter under impact. Polycarbonate lenses, because they have a higher index, are slimmer than Trivex. This plastic tends to reflect a lot of light, leading to glare. Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. My receipt lists Plast 1.49 PANORMA IMPERIUM PLUS, so I guess that means plastic. Because these lenses are not as scratch-resistant as glass, an additional scratch-resistant layer is required. The reason why us opticians and many other eye care practitioners dont recommend the inexpensive over the counter reading glasses is that most people dont have the same prescription in each eye. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. He covers everything within Plastics manufacturing and processing. New frosted and unfrosted Acrylics provide diffusion levels from 92% to 60%. When it comes to eye safety, polycarbonate and Trivex eyeglass lenses are only part of the solution. The light . 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. 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. Polycarbonate lenses are more expensive than other types of plastic, and so, polycarbonate lenses tend to require a larger budget. The liquid lens material is slowly baked untill it sets. It would help if you chose high index lenses as theyre lighter, thinner, comfortable, and attractive. 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. Polycarbonate Vs High Index Lenses: Which One Triumphs For Clarity? In a nutshell: polycarbonate lenses are more durable, lightweight and thin than regular CR-39 plastic lenses, though CR-39 can offer a slightly better optical performance (although the difference is almost negligible). Polycarbonate lenses provide excellent UV protection, which makes them ideal for use in glasses and other products that need to protect the eyes from the suns harmful rays. Glass will always provide the best optical experience as glass refracts light much more efficiently than plastic. Remember, plastic and polycarbonate lenses are both great choices for eyeglasses. Using multiple layers has enabled the sunglasses to provide clearer vision than standard polarized sunglasses. Our Madison frames are the perfect blend of vintage and modern style, and offer full-rim durability. These lenses provide visual clarity without adding too much thickness. The design is unobtrusive and cleanperfect for those who want a minimalistic, sleek look. Both materials offer excellent impact resistance and UV protection. People with eyeglass prescriptions stronger than +/- 4.0 may need high-index lenses. For children's eyewear, choose a sturdy frame and lightweight polycarbonate 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. Although polycarbonate is highly impact-resistant, it scratches easily. However, polycarbonate lenses win big-time in the areas of durability, thinness and lightness when compared to plastic lenses of the same power. Hi Diane, great question. As I said earlier, lenses are more important than frames. One of the biggest selling points of early plastic lens material was that it was lightweight and offered all-day comfort. Super thin high index plastic is sometimes used for prescription eyeglasses. Today, even though glass lenses are thinner than they used to be, polycarbonate lenses are still the lighter choice. 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. Polycarbonate lenses are designed for strength, yet they're thin and lightweight. Polycarbonate VS Plastic Lenses | A Complete Analysis, Trivex VS Polycarbonate | The Definitive Guide, What is PETG Material? The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. Lauren completed a bachelor's degree in biopsychology from The College of New Jersey and non-degree graduate coursework in public health at Princeton University. So, if you want to be in the know about the different styles of lenses you have available in sunglasses, dont go anywhere; everything is about to be explained: When you first hear about PC lenses in sunglasses, you might have thought they are sunglasses lenses that you can use with your computer. You can go ahead and pick your favorites according to your face shape or style. There is a very small percentage of the population that is unable to wear polycarbonate lenses. Optics - peripheral. Save my name, email, and website in this browser for the next time I comment. Or want to know more? SEE ALSO: How To Clean Glasses Without Scratching Your Lenses! The price is also dependent on extras, add-ons, and coatings. Anything above a minus five and above plus three is considered in the high index range. $80.00 charges for the FT poly. One of the best benefits of the plastic lens is how inexpensive they are. Both options have their pros and cons. Having a conversation with your optician about your eyewear needs and shopping around for the best price is wise. Polycarbonate lenses were first invented in 1953, but strangely two scientists developed them one week apart despite being on opposing sides of the world. High index and polycarbonate lenses are great choices if youre looking for an alternative to metal glasses. Ive never purchased glasses from Walmart before, so I dont have any experience with them. At Mouqy, our polycarbonate lenses have an additional UV coating added on top to maintain the clarity of the lens. Polycarbonate lenses are available in a wider variety of lens designs (e.g., progressive lenses and other multifocals) than Trivex lenses. So Ill try my best to analyze both materials. Trivex is another lightweight, impact-resistant material for eyeglass lenses. Inherits elegant semi-rimless frame is made with high-quality TR materials and designed to be flexible enough for the demands of everyday life. 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. Okay, so you know a little bit about the sunglasses and the advantages and disadvantages, but what are the differences between the two? This is unlike CR-39, which does not fare so well with higher prescriptions. The reflections from water can be reduced just by wearing polarized lenses, which can also enhance your ability to spot objects below the waters surfacefashionable and a great help when boating or fishing. the frame breaks, dislodging the lenses. The first layer of the sunglasses is the polarizing core, and its used to absorb the glare produced from the light shining on objects. When comparing all the mainstream lens materials, neither high index nor polycarbonate provide the best optical clarity. It is also much less expensive to use than glass. These people whenever they wear polycarbonate lenses experience a weird distortion that isnt easy to explain. 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 Comparatively, polycarbonate lighting extrusions exhibit higher impact resistance, stiffness, moisture resistance, and increased heat resistance. Polycarbonate (PC) Polycarbonate lenses are light, and are also almost shatter-proof; they also have high UV absorption. They usually need an anti-reflective coating. Bottomline Benefits: Polycarbonate Vs High Index Lenses . Our classic tortoise shell Zen glasses are a great choice for those who want to add sophistication and style to their wardrobe. "}},{"@type":"Question","name":"How much do polycarbonate lenses cost? We think all the time! Bear in mind that some of the links on this website are affiliate links. Hours: 9 a.m. - 12 a.m. EST, Monday - Friday. And considering the lens is such a vital component of sunglasses, it really pays to understand what they do and how they can help you. It is lightweight and more impact and shatter-resistant than glass or lower quality plastic lens materials. Trivex lenses about 10 percent lighter than polycarbonate lenses. Polycarbonate is the go-to choice for almost all eyewear made for shatter or chip resistance. Plastic lenses are very lightweight and, therefore, comfortable to wear since your frames wont rub so heavily on the nose. 1.74 index lenses are the thinnest high-index lenses. 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. Thanks for reading. Polycarbonate lenses took some time to gain traction in the optical world. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Any thoughts? Our staff have a strong passion for sun care and contribute to our blog. Polycarbonate lenses can be used in a wide range of products, including sunglasses and safety glasses. It may not display this or other websites correctly. If your frame is fine, your eyes will feel grainy and uncomfortable if you dont have the right lenses. Therefore, Not only has the plastic used to make eyeglasses and sunglass lenses improved, but so have glass options. Lighter and thinner high index lenses are highly recommended for you if you have a prescription for farsightedness or astigmatism and nearsightedness. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. Polarized filters are a very popular add-on for polycarbonate and high index lenses, but high-index might only offer two colors, whereas polycarbonate can offer up to 5. They offer a higher refractive index and are incredibly strong and durable, which makes them ideal for use in products such as glasses that need to be thin enough to fit comfortably on someones face but also need to be able to withstand regular wear and tear. Obviously, I am clearly talking about CR-39 vs polycarbonate. Just to add that polycarbonate is plastic. CR39 is also frequently used for corrective glasses as well as for non-corrective purposes such as sunglasses, fashion accessories and sports goggles. Plastic frame ; mirrored lens ; Polarized ; Mirror Coating coating ; Lens width: 57 millimeters ; Lens height: 40 millimeters ; Bridge: 15 millimeters You can usually find some single vision lenses for around $30 and some bifocals for $50. 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. sport eyeglasses. For this reason, the lens requires a scratch-resistant coating applied. 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. Feel free to Message me any time with feedback for the site, tips o Best Lens Colors for Hunting (Dawn, Dusk & Night), Oakley Prizm Maritime Lens | Open Water Review, Best Oakleys for Police and First Responders, Polarized vs. Non-Polarized Sunglasses | Differences Explained, Smith ChromaPop vs. Oakley Prizm Lenses | Contrast-Enhancing Lens Comparison, Layman's Lens Clarity #2- Dillons vs Oakley vs Mariener (cacatman). I just dont see as well with them. The second and third layer allows durability that resists harsh environments. Your email address will not be published. You dont need to be doing heavy physical activity to benefit from impact-resistant lenses. 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. Obviously my prescription is higher each time so I expected them to be thicker, hence buying what I thought was a thinner lens! I will send you an email to help you with this. One is made with a shatter-proof polycarbonate, while the other uses a Triacetate Cellulose. The cost of polycarbonate and Trivex lenses can vary considerably, but many optical stores charge more for Trivex lenses than polycarbonate lenses. 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. EyeBuyDirect has a wide variety of budget frames starting at $6. Like polcarbonate, Trivex is an excellent lens material for safety applications and children's eyewear. Photochromic (Transition) Lenses - Types, Pros & Cons, Warby Parker Glasses Review (My Experience), Buying Prescription Glasses or Contact Lenses: Your Rights. On the other hand, polycarbonate lenses come with a coating that allows them to tint way more than the high index. 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. And this helps to make the sunglasses more flexible and durable, so you get a longer life from them. Very informative. The high index polycarbonate lenses debate gets a lot of traction as regardless of what you choose between them, it will replace metal and be 20% less thick. Polycarbonate and Trivex lenses have comparable impact resistance. Nylon lenses are what you would find in the cheapest low end sunglasses. Higher grade TAC lenses are available (effectively increasing the thickness of the layers) and these can be 1.6mm thick. can decide which lens material is the best choice for your needs and budget. If you feel like it is worth the time and hassle then send them back. 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. Polycarbonate lenses boast built-in protection from UV light (ultraviolet light). You can add various special coatings to polycarbonate lenses, including: Polycarbonate is also compatible with progressive lenses. Polycarbonate lenses are more expensive than plastic glasses. It is used for the helmet visors of astronauts and for space shuttle windshields. More impact-resistant than glass but less than polycarbonate. 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. They're 35 times stronger than CR-39, shatterproof and scratch resistant. They're siblings, not twins, in other words.
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