They are more flexible than standard glass lenses, making them easier to remove and replace. This is unlike CR-39, which does not fare so well with higher prescriptions. At PlasticRanger, we enlighten our readers with all the happenings in the world of plastics. For the best eye protection at work and during sports, be sure you also Polycarbonate and Trivex lenses have comparable impact resistance. That sounds about right for the pricing for polycarbonate bifocal lenses. One of the best benefits of the plastic lens is how inexpensive they are. I also tend to think TAC glasses provide more polarized sunglasses with a clearer vision, which in my mind, makes them more attractive. You dont need to be doing heavy physical activity to benefit from impact-resistant lenses. 1-800 Contacts is our #1 recommendation to buy contacts online. The content on this site is for informational purposes only. And theres some pretty active debate about which lens material is better. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. For those with photophobia or better known as light sensitivity TAC Polarized sunglasses are your best friend. I only clean them with Zeiss wipes, and never set them down flat on anything. "}},{"@type":"Question","name":"Is there a big difference between 1.67 and 1.74 high-index lenses? Vision Center is funded by our readers. 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. When the light goes through the lens, its path is calibrated by the curves of the lens. Polycarbonate lens is lighter and thinner than glass, making it more comfortable to wear for long durations. Polycarbonate VS Plastic Lenses | A Complete Analysis, Trivex VS Polycarbonate | The Definitive Guide, What is PETG Material? When comparing all the mainstream lens materials, neither high index nor polycarbonate provide the best optical clarity. Single Vision Reading: lenses to see things at a close distance. Ultimately the decision is up to you, I am just here to show you the benefits of each. don't provide the type of eye protection needed for sports. Since the refractive index is only 1.49, these types of lenses get very thick, if you need a strong correction. 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. 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. Check out ETD's selection of police car lights with TIR lenses. Amevie is a Canadian lifestyle and sun-care brand that cares. Is what theyve told me true? 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. Most people cant assess color deformation at these levels. These lenses are up to 30% thinner than regular plastic or glass 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. 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. This is where polarized lenses come in handy because they have a filter specially made to block this glare. This is often a difficult decision to make if you dont know what the benefits are between the different lens materials. Ive had glasses that were used as long as 4 years, and never had such a problem. Important Factors to Consider While Choosing Lenses, Prescription Range is an Essential Factor, Thickness and Weight gets Affected by Lens Material. 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. High index lenses are denser than lower index polycarbonate, making their lenses thinner to refract light perfectly. Photochromic lenses are available in both materials. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Are high index lenses more expensive? And thats why when exact precision is needed, say in microscopes, cameras, or telescopes, glass is still the standard. And that reason is impact protection. Importantly, a polarised polycarbonate lens also provides impact protection. 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. playing sports while wearing an eyeglass frame that is not rated for At the end of the day, it just depends on how well you take care of your lenses. lifetime of good vision. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. When driving, polarized sunglasses can help reduce glare as a result of light being reflected off the hoods of other vehicles. Dapper is a sleek, modern take on rimless glasses. choosing a selection results in a full page refresh. Save my name, email, and website in this browser for the next time I comment. Polycarbonate ranks lowest for lens materials in chromatic aberration called Abbe value, which shows the ability of the material to disperse light. Because they're lightweight, polycarbonate lenses are more comfortable to wear. TAC lenses are the cheapest widely used lens option in sunglasses and are less clear, less scratch resistant, and less durable than Polycarbonate. Bear in mind that some of the links on this website are affiliate links. Learns and shares consistently about plastics technologies. You can usually find some single vision lenses for around $30 and some bifocals for $50. New frosted and unfrosted Acrylics provide diffusion levels from 92% to 60%. Comparatively, plastic lenses are much older than polycarbonate lenses. 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. Page published on Wednesday, February 27, 2019. They are also available in more styles of sunglasses that cannot use glass lenses. Obviously my prescription is higher each time so I expected them to be thicker, hence buying what I thought was a thinner lens! Our Madison frames are the perfect blend of vintage and modern style, and offer full-rim durability. Glass lenses cant be beaten. Join today, share your Oakley collection or even find new Oakley sunglasses for sale. Nylon lenses are what you would find in the cheapest low end sunglasses. CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. Polycarbonate lenses are about 10% thinner than Trivex lenses. Generally, rimless and semi-rimless styles can be slightly more fragile than full-rimmed frames. ","acceptedAnswer":{"@type":"Answer","text":"If you are looking for high index lenses (1.74), you have to pay somewhat between $180 and $230. 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 this was because, unlike plastic or glass eyewear, polycarbonate lenses won't shatter under impact. Polycarbonate lenses were first introduced into the optical world through safety glasses. Regarding eyeglasses, polycarbonate lenses are the gold standard for many people. Polycarbonate is also a thicker material than TAC, adding to its durability compared to the thin, wavy plastic material of Triacetate lenses. Even though its multi-layer, a TAC lens is very thin usually no more than 1.2mm. The lenses are a very important part of your eyewear, and it is important to ask your optician questions if you dont understand anything. 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. or Trivex lenses. GlassesUSA has a huge selection of contacts, glasses, & sunglasses. They are much more affordable than traditional polarized sunglasses because of the process TAC sunglasses use. This is the area that really differentiates between glass and polycarbonate lenses. the frame breaks, dislodging the lenses. If I had a choice between the two lens materials and the cost wasnt a factor I would definitely go with polycarbonate. You are using an out of date browser. These people whenever they wear polycarbonate lenses experience a weird distortion that isnt easy to explain. 1.67 index lenses are ideal for prescriptions under +5.00/-8.00 and astigmatism correction between -3.00 and -4.00. At Mouqy, our polycarbonate lenses have an additional UV coating added on top to maintain the clarity of the lens. 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. Contact an eye doctor if you need medical attention. 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. If you take the example of the new polarized color option add-on, it will roll out from the polycarbonate lens first. 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. 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. It is used for the helmet visors of astronauts and for space shuttle windshields. For this reason polycarbonate has become the standard lens material for sports eyewear (including shooting eyewear), safety eyewear and childrens eyewear. Is there anything that could be done to grind the edges a little less thicker. Polycarbonate lenses are extremely popular in the lens market. Polycarbonate lenses are available in a wider variety of lens designs (e.g., progressive lenses and other multifocals) than Trivex lenses. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses. They shipped me polycarbonate 1.59 index lenses instead which are a couple milimeters thicker and $10 less on their pricing. Your recommendation? Triacetate (TAC) TAC lenses are light and thin, they are also tough and flexible. If your polycarbonate sunglass lenses do crack, check the manufacturer to see if they offer replacement lenses. All eyeglass wearers should weigh the pros and cons of polycarbonate lenses before making a purchase. But that doesnt mean polycarbonate or plastic lenses are not clear. Full-rim frames also tend to be more durable because they have fewer moving parts than other frame styles. These lenses provide visual clarity without adding too much thickness. Hi Amy! CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. 1.0 out of 5 stars 1 rating. One such type of lens was made from CR39 plastic, which is still widely used today. 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. Polarized Polycarbonate RhinoLenses are virtually indestructible. 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. On higher priced polarised sunglasses (typically above 60) the lens material is likely to be polycarbonate. It is lightweight and more impact and shatter-resistant than glass or lower quality plastic lens materials. Polycarbonate rates are lower, meaning they have the potential to cause slight chromatic aberrations (visual distortions) in your peripheral vision. 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. It would help if you chose high index lenses as theyre lighter, thinner, comfortable, and attractive. The cost highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. Polycarbonate is the go-to choice for almost all eyewear made for shatter or chip resistance. 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). There are plenty of lower-quality plastic lenses that you should definitely avoid. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. All rights reserved. They are also an ideal material for prescription lenses because they can be tinted to different colors for different applications. Weight. The high index lens uses 50% less material than the polycarbonate 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. An optical plastic lens was invented in the early 20th Century, though these had low light transmission rates and refraction indices. I just bought 1 pair of glasses at Walmart and they hit me with 2 ea. For me I am going back to plastic. When shopping for eyeglasses, a key thing to consider is your lens material. Having a conversation with your optician about your eyewear needs and shopping around for the best price is wise. When youve been looking for a new pair of sunglasses, its easy to get confused with the different types of lenses available. sports, choosing impact-resistant eyeglass lenses and frames is an If you feel like it is worth the time and hassle then send them back. It may not display this or other websites correctly. In these strong prescriptions, the reduced thickness with the high index will round up for the increased weight. In fact, polycarbonate is the same material used for bullet-proof glass due to its impact-resistant properties. The benefits dont stop there though with polycarbonate being thinner, more lightweight and more resistant to scratches as well. 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. Just to add that polycarbonate is plastic. With your prescription, you have the right to shop wherever you prefer from an optician, in stores, or online. 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. Bottomline Benefits: Polycarbonate Vs High Index Lenses . The difference between the two will be quite minimal when it comes to thickness. Your choice of lenses is completely dependent on your vision needs. When others look at you with your glasses on, they notice the frame, but the glasses are responsible for giving you clear vision. 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. 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. If you are a prescription contact lens wearer be sure to check out where the best places to buy contact lenses online are, coupons & promo codes are available. The liquid polycarbonate is then rapidly injected into lens molds, compressed under high pressure, and cooled to form a finished lens product in a matter of minutes. The information provided on VisionCenter.org should not be used in place of actual information provided by a doctor or a specialist. Polarising Polycarbonate lenses are ideal for sports. All About Vision does not provide medical advice, diagnosis or treatment. Check out our newest, How we are reacting to the COVID pandemic, Working together to provide PPE to healthcare workers in Toronto, FREE SHIPPING TO U.S. & CANADA ON ORDERS OVER $100. Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. Women Sunglasses They're siblings, not twins, in other words. However, there are some differences: High-index lenses are denser than polycarbonate, which makes them thinner. Cost. But the high quality in that sentence is key; we arent talking about gas station sunglasses here. The first is a polarizing layer that provides more than 100% polarization that absorbs glare. 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. We think all the time! Go for it. For this reason, the lens requires a scratch-resistant coating applied. We help brands optimize their online presence & performance. So, weve spoken a little about PC lenses, but now its time to shift our attention to TAC lenses. Now I will be adding lense material to the list. Liingo Eyewear is another great option to buy glasses online. Hi Huy, And since manufacturers of sports eyewear understand that frames get dropped or hit by debris, they choose polycarbonate lenses. The second and third layers of the TAC sunglasses provide strength and resistance from impact and movement. Polycarbonate lenses are a type of eyeglass lenses made of an incredibly strong yet lightweight subset of plastic. 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. | The Best Plexiglass Glue, What is TPV Material? The best TAC Polarized Lens are those that block more than 99% of harmful UV rays with wavelengths up to 400 nanometers. $80.00 charges for the FT poly. Instead, PC is an acronym for the composite used to make the lens. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. The frames tend to be less than durable, so the glasses are so cheap. A higher index of refraction also means denser material and therefore thinner lenses. Hours: 9 a.m. - 12 a.m. EST, Monday - Friday. RELATED:How to clean your glasses the right way. Is there a big difference between 1.67 and 1.74 high-index lenses? Thanks for this informative article. Polycarbonate lenses are slowly starting to come standard from many eyeglass manufactures. Created this site because of the lack of a place for the Oakley Community to talk. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. Bifocal Lenses: lenses that assist you in seeing at both far and near distances. | An In-Depth Guide, What is the Best Plastic Glue? Medically Reviewed by Dr. Melody Huang, O.D. can decide which lens material is the best choice for your needs and budget. Although at the time plastic lenses had. It's entirely up to your decision about what fits you the best. Could this still be plastic or is this polycarbonate? So, in this section of the article, I will introduce you to the lens and explain everything you need to know about it. Thanks for sharing this informative blog. Polycarbonate lenses were first invented in 1953, but strangely two scientists developed them one week apart despite being on opposing sides of the world. Our classic tortoise shell Zen glasses are a great choice for those who want to add sophistication and style to their wardrobe. Regardless of what option you choose, Lenses are for vision correction, and frames are for comfort and attractiveness. I just dont see as well with them. This post was most recently updated on June 2nd, 2020. She also has an interest in Eastern medicine practices and learning about integrative medicine. Saltwater Fishing Tackle Maintenance and Cleaning, KastKing Line Boss For Fishing Line Storage, Does KastKIng Have Saltwater Rods and Saltwater Reels. The arrival of the sun has us all excited and ready for some fun. Using multiple layers has enabled the sunglasses to provide clearer vision than standard polarized sunglasses. Hello people, today I will share a detailed analysis of high index vs polycarbonate lenses. Hi Diane, great question. October 10, 2022 by Ashish Mittal Leave a Comment. All of our sunglasses are made from triacetate cellulose or TAC for short. The price is also dependent on extras, add-ons, and coatings. Introduced in the 1980s, they're incredibly lightweight and about 20% thinner than regular plastic lenses. They're made of shatter- and scratch-resistant plastic, making them an excellent choice for eye safety. Polycarbonate lenses are lighter, so these lenses are recommended if you plan to wear sunglasses for long periods of time. Before I move on to the advantages and disadvantages, its worth noting that you can have more than seven layers in TAC lenses. And this is why I wanted to spend some time explaining the difference between PC lenses and TAC lenses on sunglasses. 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. Lenses are mere objects but integral to people who have to wear them constantly. 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. Polycarbonate lenses are another type of plastic material. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. The cost of plastic glasses highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. They usually need an anti-reflective coating. Higher grade TAC lenses are available (effectively increasing the thickness of the layers) and these can be 1.6mm thick. 1. Shu Kie is Mouqys certified optician with over 5 years of experience in the optical industry. These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. High index lenses rank slightly higher than polycarbonate. 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. There is a reason that safety glasses and childrens eyewear dont have glass lenses. Follow KastKing to keep up on giveaways, fishing tips and new products. Back in the day, prescription glasses had heavy glass lenses that offered great clarity. Some are known to go up to 9 layers, but theres no confirmation whether having nine layers is better than seven. 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 lenses are designed for strength, yet theyre thin and lightweight. Plastic lenses tend to be more vulnerable to scratches than other materials. Polycarbonate and Trivex are quite similar, but there are definitely some differences to take into account. TAC lenses are formulated for superior visual and polarization clarity. | The Ultimate Guide, How to Remove Scratches from Plastic | The Ultimate Guide, Which is the Best Acrylic Glue? 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. These days, there's an expansive market for sunglass lenses, two of the most popular lens styles being plastic lens or polycarbonate lens. 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. 5750 Brittmoore RD Suite 300Houston Texas 77041. 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). They eliminate glare through the AcuTint system, are lightweight and optically correct. KL, What's The Difference Between PC Lens And TAC Lens On Sunglasses. When shes not working, Dr. Huang loves reviewing new skin care products, trying interesting food recipes, or hanging with her adopted cats. 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 safe material for your sunglasses. Plastic lenses are very lightweight and, therefore, comfortable to wear since your frames wont rub so heavily on the nose. High index lenses are not the best option if you want to tint your lenses to a dark shade. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. You only get one pair of eyes, so use your sunglasses to protect them. Here are some of our favourites! And there are even still glass lenses out there in sunglasses! The second and third layer allows durability that resists harsh environments. This lens is acceptable for stronger prescriptions above +5.00/-8.00 and astigmatism correction between -4.00 and -6.00. All opinions expressed herein do not necessarily reflect those of Oakley, Inc. Want instant exchange acces, no ads and tons of other benefits?
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