But if your polycarbonate lenses do break, they are less likely to shatter into small, harmful pieces. 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. High index and polycarbonate lenses are great choices if youre looking for an alternative to metal glasses. This lens is acceptable for stronger prescriptions above +5.00/-8.00 and astigmatism correction between -4.00 and -6.00. Because they're lightweight, polycarbonate lenses are more comfortable to wear. Let us know in the comments below! It may come down to what styles and brands you like typically use. Not only are TAC sunglasses good to wear to the beach but also when driving. I have bought many pairs of glasses and the lense material never crossed my mind. 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. Nylon lenses are what you would find in the cheapest low end sunglasses. In other words, PC stands for polycarbonate. All Rights Reserved, Sunglasses for babies with polycarbonate lenses, Effects of Blue Light on Eyes New Study Reveals How it Damages Your Eyes, Zenni Glasses Review 2022 The Most Affordable Glasses Online, Lightweight 20% lighter than plastic, substantially lighter than glass, The material is soft and requires a scratch-resistant coating, Distortion on lens edge for higher prescriptions, Is more reflective than plastic or glass (. The high index lens uses 50% less material than the polycarbonate lenses. Its the most scratch resistant lens material and blocks UV light. And there are even still glass lenses out there in sunglasses! However, many people do not notice this. Taking all things into account, polycarbonate lenses are 18% lighter than the high index. Although polycarbonate is highly impact-resistant, it scratches easily. or Trivex lenses. Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. Polycarbonate lenses were first invented in 1953, but strangely two scientists developed them one week apart despite being on opposing sides of the world. Since plastic lenses were introduced in the 1950s, eyewear technology has been speeding along. Polycarbonate and Trivex lenses have comparable impact resistance. This makes poly lenses a better option for athletes and children. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. Thanks for reading. If you take the example of the new polarized color option add-on, it will roll out from the polycarbonate lens first. In need of a stronger prescription to see clearly? Polycarbonate's impact resistance is so good that it's used for lenses in both safety and sporting eyeglasses. Through her writing, Dr. Huang enjoys educating patients on how to lead healthier and happier lives. Eyeglass temples: How do you know if they're the right length? 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. Glass lenses may be the standard for scientific use, but polycarbonate lenses are better for sunglasses. We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. 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. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. 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 Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. Even if he or she does not participate in organized There are 7 layers that make up TAC lenses. But I will make it a cakewalk. Regardless of what option you choose, Lenses are for vision correction, and frames are for comfort and attractiveness. The cost of plastic glasses highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. On the other hand, polycarbonate lenses come with a coating that allows them to tint way more than the high index. What kind of lenses do you have in your glasses? 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. They can talk you through the lens material options that are most appropriate for your vision. This promotes eye health by providing an extra layer of safety. Theyre designed to withstand impact, correct vision issues and support more active lifestyles. Check out ETD's selection of police car lights with TIR lenses. High index lenses rank slightly higher than polycarbonate. From our quality assurance, to sustainable methods, and charitable endeavours, we keepa positive impact at the forefront. 2-16 FAYUEN ST MONGKOK TAC lenses are incredibly lightweight, making them more comfortable to wear for long durations. Hi Tim! The PC lens is extremely highly resistant to impact and wont shatter. 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. 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. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Here the polarised film is sandwiched between two layers of polycarbonate meaning the polarised film can never wear out. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? The information provided on VisionCenter.org should not be used in place of actual information provided by a doctor or a specialist. The cost and quality of polycarbonate lenses will vary depending on your prescription (stronger prescriptions may cost more) and the seller, so its worth shopping around. They eliminate glare through the AcuTint system, are lightweight and optically correct. Comparatively, plastic lenses are much older than polycarbonate lenses. In general, high-index lenses are prescribed for strong prescriptions. . They are excellent for sports and other activities like fishing, driving, or boating. They're siblings, not twins, in other words. The last two layers, are shock proof layers that increase impact and scratch resistance. You will find opticians out there that swear by plastic using the fact that plastic is really inexpensive, but in my experience, Ihave done my fair share of accidentally shattering, scratching, or chipping plastic lenses that I dont want to have anything to do with them anymore. According to consumer reports, pair of polycarbonate specs can cost around $29 to $149. Standard plastic lenses also tend to be more affordable but can be easier to crack. Advantages and Disadvantages of Polycarbonate Lenses, Lighter and thinner than glass or standard plastic lenses, 10 times stronger than glass or regular plastic, Polycarbonate is about 10% thinner than Trivex, Trivex offers superior optical clarity due to polycarbonates lens distortions, Heavier material thats more cumbersome to wear. 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. Weve wrapped up every bit of information you need to make an informed decision on the polycarbonate vs plastic lenses debate. Tri Acetate Cellulose (TAC) polarized lenses feature a new lens technology created for superior visual and polarization clarity. JavaScript is disabled. Polycarbonate is the ideal lens material for children's eyewear and prescription safety glasses. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. Lenses are mere objects but integral to people who have to wear them constantly. 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. So lets dive in and take a look at what the differences are between these two very similar but different materials. ","acceptedAnswer":{"@type":"Answer","text":"Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. $12.95 $ 12. 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. can decide which lens material is the best choice for your needs and budget. 2018-2023 EyeHealthHQ.com. Polycarbonate and Plastic lenses differ in many factors, such as affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity. 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. Plastic lenses have a higher Abbe value than polycarbonate. Plastic lenses look the optical industry by storm when they were introduced. Are contact lenses a good choice for kids? 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. 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. scratch-resistant coatings can make the surface of polycarbonate and Heres an overview of the main types of materials used to make sunglasses and eyewear lenses (including prescription spectacles) and some of their pros and cons. 5750 Brittmoore RD Suite 300Houston Texas 77041. It is also much less expensive to use than glass. Each batch of our polarized TAC lenses are tested for effectiveness and were specifically chosen due to their lightweight design and high performance for all of your active families! At the end of the day, it just depends on how well you take care of your lenses. This flexibility also means polycarbonate and Trivex lenses need a You can add various special coatings to polycarbonate lenses, including: Polycarbonate is also compatible with progressive lenses. Polycarbonate lenses are another type of plastic material. Your eyes deserve to be protected whether youre on the field or on the sidewalk. Both are extremely strong, but polycarbonate is very susceptible to scratches unless it comes with an added film; that being said, theyre shatterproof. 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. Should you, as a normal person should, worry about Abbes value? 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. Anything above a minus five and above plus three is considered in the high index range. "}},{"@type":"Question","name":"Is there a big difference between 1.67 and 1.74 high-index lenses? Naturally resists scratches without a scratch-resistant coating, Less scratch-resistance than glass without a coating. Thanks for stopping by! Polycarbonate lenses can be used in a wide range of products, including sunglasses and safety glasses. 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. Sagar Habib, a certified plastics engineer, and aficionado. There's no need to add a protective coating. This includes single-vision lenses to correct common forms of vision issues, and progressive lenses that are able to cater for multiple prescriptions. That is all I wanted to say about High index vs polycarbonate lenses. For children's eyewear, choose a sturdy frame and lightweight polycarbonate Outside of writing, Lauren runs a small farm with her husband and their four big dogs. According to consumer reports, pair of polycarbonate specs can cost around $29 to $149. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. Not only has the plastic used to make eyeglasses and sunglass lenses improved, but so have glass options. Our staff have a strong passion for sun care and contribute to our blog. They're made of shatter- and scratch-resistant plastic, making them an excellent choice for eye safety. It boasts the highest impact resistance of any lens material. Availability. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Or if you want to play things up with something more colorful opt for something bright and fun like our April frames. 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. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. However, thinner lenses are not lighter in weight. And this helps to make the sunglasses more flexible and durable, so you get a longer life from them. The rigid thermoplastic is often considered 200 times stronger than glass and is thus utilized to make bulletproof windows and car shields. Polycarbonate glasses have inherent UV protection, while plastic lenses do not have. 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. Before I move on to the advantages and disadvantages, its worth noting that you can have more than seven layers in TAC lenses. Support the site and become a premium member today! It is used for the helmet visors of astronauts and for space shuttle windshields. When shes not working, Dr. Huang loves reviewing new skin care products, trying interesting food recipes, or hanging with her adopted cats. My receipt lists Plast 1.49 PANORMA IMPERIUM PLUS, so I guess that means plastic. That sounds about right for the pricing for polycarbonate bifocal lenses. Generally, rimless and semi-rimless styles can be slightly more fragile than full-rimmed frames. The top and bottom edges of both lens have many, very fine scratches. The second and third layer allows durability that resists harsh environments. 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. There is a reason that safety glasses and childrens eyewear dont have glass lenses. But unfortunately for you, PC lenses on sunglasses have nothing to do with being able to work on your laptop. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. Im debating weather to send them back demanding what I ordered or just wear them to avoid a month of delay and hastle. Cost. Differences between Trivex vs polycarbonate lenses. Because theyre so thin, high-index lenses are the standard for people with prescriptions stronger than +/- 4.0. I have just started to need glasses for reading. Polycarbonate lenses have a high refractive index, which means they can be a thinner and more lightweight solution for your prescription, when compared to plastic lenses of the same power. Important Factors to Consider While Choosing Lenses, Prescription Range is an Essential Factor, Thickness and Weight gets Affected by Lens Material. You can usually find some single vision lenses for around $30 and some bifocals for $50. 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. Your recommendation? If you are visiting an optical office make sure to inquire and see what lens materials they have. $80.00 charges for the FT poly. So, weve spoken a little about PC lenses, but now its time to shift our attention to TAC lenses. Therefore, You only get one pair of eyes, so use your sunglasses to protect them. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. Polycarbonate is still lighter, and can be made in higher index - meaning that a strong prescription lens can still be quite thin. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Are high index lenses more expensive? Plastic lenses also have a higher Abbe value which causes less chromatic aberrations.
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