Plastic lenses are very easy to manufacture and dont come with a high price tag. sport eyeglasses. Are contact lenses a good choice for kids? These glasses are extremely useful for people working in jobs with high chances of eye injury and for anyone under 18 years of age. 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. Some people complain that they cannot see through the lens very easily, but this is only a tiny percentage of the world's population. One such type of lens was made from CR39 plastic, which is still widely used today. They eliminate glare through the AcuTint system, are lightweight and optically correct. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. Like & follow our social media pages to see more updates and promotions! choosing a selection results in a full page refresh. 5750 Brittmoore RD Suite 300Houston Texas 77041. But it's a high-quality lens material making the extra cost worth it for the customer. This is the area that really differentiates between glass and polycarbonate lenses. They are known to be cheaper compared to high-grade lens materials. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Theyre the material most commonly used for both prescription and non-prescription lenses. ","acceptedAnswer":{"@type":"Answer","text":"1.67 index lenses are ideal for prescriptions under +5.00/-8.00 and astigmatism correction between -3.00 and -4.00. This is such a helpful article, I wasnt even aware of the difference between plastic and polycarbonate lenses. 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. Its confusing as what the receipt says and the online description is different. It might take some more research to look for the best online and offline options. This also makes them more comfortable and easy to wear for extended periods of time. Most people cant assess color deformation at these levels. Glasses with polycarbonate lenses were first developed in the 1980s, and theyve been improving ever since. Owing to polycarbonates popularity and acceptance with the masses when a new add-on is released, its a no-brainer that it tends to be compatible with polycarbonate first. Ive had glasses that were used as long as 4 years, and never had such a problem. Regarding eyeglasses, polycarbonate lenses are the gold standard for many people. When comparing all the mainstream lens materials, neither high index nor polycarbonate provide the best optical clarity. That means if a polycarbonate lens needs 2 millimeters of material to refract light, high index may only need 1 millimeter. These people whenever they wear polycarbonate lenses experience a weird distortion that isnt easy to explain. It is used for the helmet visors of astronauts and for space shuttle windshields. The cost of polycarbonate and Trivex lenses can vary considerably, but many optical stores charge more for Trivex lenses than polycarbonate lenses. The combination of impact and UV light protection makes polycarbonate the best choice for both lifestyle and sports sunglasses. They are also an ideal material for prescription lenses because they can be tinted to different colors for different applications. 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. 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. This flexibility also means polycarbonate and Trivex lenses need a And if you combine them with a lightweight frame material like titanium or nylon, youre set for a full day of comfortable wear. When you grab your favorite pair of Amevie sunglasses expect to look through Triacetate Cellulose or TAC, for short Polarized lenses. With polycarbonates super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. Materials like crown glass, Trivex, and CR-39 steal the show. Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. Thats because polycarbonate lenses are lighter, have excellent optics, and offer impact protection that glass lenses lack. 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). 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 Federal Trade Commissions Eyeglass Rule ensures that your doctor gives you your prescription at no extra cost, whether or not you ask for it. At Mouqy, our polycarbonate lenses have an additional UV coating added on top to maintain the clarity of the lens. I recently purchased non-polycarbonate 1.61 index Digital Free Form progressive lenses from zennioptical.com. High index lenses rank slightly higher than polycarbonate. Lower priced polarised sunglasses use a multi-layer material called TAC (Triacetate) with the front layer being the polarised film. As I said earlier, lenses are more important than frames. Full-rim frames also tend to be more durable because they have fewer moving parts than other frame styles. Learn about LASIK success rates and side effects, Learn about the costs associated with LASIK, Benefits of LASIK for astigmatism correction, How to find vision insurance that covers LASIK, Compare PRK and LASIK procedures and results, 14 tips for protecting your vision after LASIK. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. This will ensure you have the thinnest cut for the edges. In these strong prescriptions, the reduced thickness with the high index will round up for the increased weight. Polarising HO KING COMM CTR Polycarbonate lenses are a relatively new lens technology. However, polycarbonate lenses win big-time in the areas of durability, thinness and lightness when compared to plastic lenses of the same power. In this blog post, well explain everything you need to know about each so that you can make an informed decision when buying new glasses! Polycarbonate lenses are available in a wider variety of lens designs (e.g., progressive lenses and other multifocals) than Trivex lenses. And thats why when exact precision is needed, say in microscopes, cameras, or telescopes, glass is still the standard. 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. Very informative. While we prefer polycarbonate lenses, both types have advantages and disadvantages. Warby Parker has stylish, high-quality frames at affordable prices. Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses. Even though its multi-layer, a TAC lens is very thin usually no more than 1.2mm. Prescription lenses are designed to refract light depending on the prescription. If you need safety glasses, consult an optician who can tell you which frames are safety rated. Men Sunglasses Since it is a relatively soft material, a scratch-resistant coating is recommended for polycarbonate lenses. These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. Generally, you should go for lightweight lenses rather than slightly thin ones. Obviously my prescription is higher each time so I expected them to be thicker, hence buying what I thought was a thinner lens! One of the biggest selling points of early plastic lens material was that it was lightweight and offered all-day comfort. These lenses are up to 30% thinner than regular plastic or glass lenses. Glass will always provide the best optical experience as glass refracts light much more efficiently than plastic. 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. Polycarbonate rates are lower, meaning they have the potential to cause slight chromatic aberrations (visual distortions) in your peripheral vision. 1.0 out of 5 stars 1 rating. 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. 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! Polycarbonate vs. Trivex lenses: A quick comparison. If you want to save money and dont have a very strong prescription, plastic is a more affordable option. Since plastic lenses were introduced in the 1950s, eyewear technology has been speeding along. Polycarbonate Vs High Index Lenses: Which One Triumphs For Clarity? Now I will be adding lense material to the list. Polycarbonate lens didnt truly gain traction among the optical industry until more recently due to various problems with the material clarity and manufacturing. If you want your glasses to last as long as possible in the face of everyday wear and tear, polycarbonate may be the way to go! Polycarbonate is the ideal lens material for children's eyewear and prescription safety glasses. With their tortoiseshell-patterned design, these oval eyeglasses are a great addition to any wardrobe. 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. Your eye doctor can provide more information on any questions you may have. 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. Saltwater Fishing Tackle Maintenance and Cleaning, KastKing Line Boss For Fishing Line Storage, Does KastKIng Have Saltwater Rods and Saltwater Reels. 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. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. Polycarbonate lenses are lighter, so these lenses are recommended if you plan to wear sunglasses for long periods of time. Choosing the right lens for your sunglasses is very important if you want to protect your eyes from harmful UV rays. Plastic lenses tend to be more vulnerable to scratches than other materials. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. If you go to a chain optical place like Walmart you would be looking around $60 for a starting point depending on what kind of lens you need, single vision, bifocal etc. Because theyre so thin, high-index lenses are the standard for people with prescriptions stronger than +/- 4.0. Thanks for sharing this informative blog. 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. 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. Hi Amy! Outside of writing, Lauren runs a small farm with her husband and their four big dogs. Ive never heard of such a thing, and wonder if the material in mine is substandard, or something. Nylon lenses are what you would find in the cheapest low end sunglasses. You can wear polycarbonate lenses with virtually any full-rim style. And that reason is impact protection. Here are some of our favourites! ","acceptedAnswer":{"@type":"Answer","text":"Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. What kind of price range would I expect for polycarbonate lenses? Optics - central. Its the most scratch resistant lens material and blocks UV light. Not only that our sunglasses are fashionable and sustainable, but also provide maximum UV protection for driving and outdoor activities. These days, there's an expansive market for sunglass lenses, two of the most popular lens styles being plastic lens or polycarbonate lens. Even then with the scratch-resistant coating plastic lenses are still one of the easiest lenses to be scratched. We also like them for their ultraviolet protection. I have 4 mo old poly carbonate lenses from Walmart. Polycarbonate lenses are designed for strength, yet theyre thin and lightweight. And well discuss the advantages and disadvantages of each material, plus our final decision on which material is better. The high index lens uses 50% less material than the polycarbonate lenses. After all, polarized sunglasses dont work very well when working on your laptop; its almost impossible to see the screen. With TAC, as the polarised film is on the front it can scratch and eventually lose some of its polarising properties. Eyeglass temples: How do you know if they're the right length? In need of a stronger prescription to see clearly? "}},{"@type":"Question","name":"How much do polycarbonate lenses cost? Benefits of polycarbonate lenses include: Best Place to Buy Contacts: 1800 Contacts. It may not display this or other websites correctly. Polycarbonate lenses are extremely popular in the lens market. But if your polycarbonate lenses do break, they are less likely to shatter into small, harmful pieces. The frames tend to be less than durable, so the glasses are so cheap. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. Additionally, Trivex and polycarbonate naturally block most UV light and do not need the application of a UV coating although most eyewear manufacturers using polycarbonate additionally apply a UV filter coating. Lets take a look at the pros and cons. It's highly impact-resistant and famous for standing up to forces that would shatter other materials. But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. Thank you for reaching out. They were first introduced in 1983 by Gentex Corporation, and since then have become popular among designers and consumers alike. However, thinner lenses are not lighter in weight. The use of plastic lenses spread rapidly after thermosetting plastics (which are less flammable) entered mass production in the 1940s. Generally, rimless and semi-rimless styles can be slightly more fragile than full-rimmed frames. If I had a choice between the two lens materials and the cost wasnt a factor I would definitely go with polycarbonate. Some are known to go up to 9 layers, but theres no confirmation whether having nine layers is better than seven. They're 35 times stronger than CR-39, shatterproof and scratch resistant. The lenses are a very important part of your eyewear, and it is important to ask your optician questions if you dont understand anything. sports, choosing impact-resistant eyeglass lenses and frames is an Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. You may also want to consider reading this article on acetate vs plastic frames if youre looking to dive deeper into your glasses materials. Heres a quick overview of the differences. These lenses provide visual clarity without adding too much thickness. New frosted and unfrosted Acrylics provide diffusion levels from 92% to 60%. "}},{"@type":"Question","name":"How much do high-index lenses cost? One of the best benefits of the plastic lens is how inexpensive they are. 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. Plastic is much lighter than glass, making it more comfortable to wear all day and plastic lenses come in many more colours and larger sizes. The first layer of the sunglasses is the polarizing core, and its used to absorb the glare produced from the light shining on objects. 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. If you go through them to make a purchase we will earn a commission at no extra cost to you but helps support our website. Check out our newest bamboo sunglasses and let us know which one is your favorite! 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. We help brands optimize their online presence & performance. And this made them ideal for sportswear, children, and safety lenses. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. 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. | The Ultimate Guide, How to Remove Scratches from Plastic | The Ultimate Guide, Which is the Best Acrylic Glue? This post was most recently updated on June 2nd, 2020. On higher priced polarised sunglasses (typically above 60) the lens material is likely to be polycarbonate. Fast forward to modern-day, plastic lenses are still the most popular lens material because it does still have many benefits though it does have some downsides to it as well. 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. High index and polycarbonate lenses are great choices if youre looking for an alternative to metal glasses. High index lenses are denser than polycarbonate lenses, meaning they have thinner lenses to reflect light properly. For this reason, you need to weigh up your options to find which one suits you the best. Polycarbonate lenses are more expensive than plastic glasses. But it is your opticians job to explain all the differences to you and give you a recommendation based on your prescription. Trivex lenses are made of a urethane-based monomer. 2-16 FAYUEN ST MONGKOK But the high quality in that sentence is key; we arent talking about gas station sunglasses here. 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. This promotes eye health by providing an extra layer of safety. Engaging Read Trivex VS Polycarbonate | The Definitive Guide. important step to protect your child's eyes throughout the day for a You dont need to be doing heavy physical activity to benefit from impact-resistant lenses. 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. Triacetate Cellulose sunglasses use multiple layers; they are usually scratch proof but not shatterproof. You only get one pair of eyes, so use your sunglasses to protect them. The cost highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. Vision Center is funded by our readers. 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. But if youre choosing high-quality lenses, both glass and polycarbonate offer excellent optical clarity. Below are some things to consider when choosing eye lens material: Progressive Lenses:lenses that help you to see at all distances. Polycarbonate lenses boast built-in protection from UV light (ultraviolet light). When others look at you with your glasses on, they notice the frame, but the glasses are responsible for giving you clear vision. 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. The price is also dependent on extras, add-ons, and coatings. But dont forget that the primary purpose of sunglasses is to protect your eyes and keep you comfortable during all of your outdoor activities. 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. I also tend to think TAC glasses provide more polarized sunglasses with a clearer vision, which in my mind, makes them more attractive. They are also available in more styles of sunglasses that cannot use glass lenses. Availability. Tri Acetate Cellulose (TAC) polarized lenses feature a new lens technology created for superior visual and polarization clarity. In an eyeglass lens manufacturing process called injection molding, the polycarbonate pellets are heated until they melt. The great news is that polycarbonate lenses can be fitted into virtually any style of frames! Polycarbonate lenses can be used in a wide range of products, including sunglasses and safety glasses. They can talk you through the lens material options that are most appropriate for your vision. Lets look at the pros and cons of polycarbonate lenses. Our social media pages to see the screen Storage, does KastKing have Saltwater Rods and Saltwater Reels length... Wear for extended periods of time, harmful pieces be polycarbonate writing, Lauren runs a small farm her! Cut for the helmet visors of astronauts and for space shuttle windshields offer greater protection than plastic the optical... 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Best online and offline options be slightly more fragile than full-rimmed frames look through Cellulose... May have 's eyewear and prescription safety glasses Free Form progressive lenses from Walmart can vary considerably, many. Though its multi-layer, a scratch-resistant coating is recommended for polycarbonate lenses are lighter, have excellent optics, theyve. The difference between plastic and glass, it was lightweight and optically.... Eyeglass lens manufacturing process called injection molding, the polycarbonate lenses boast built-in protection from UV light protection makes the. Are some things to consider when choosing eye lens material for children 's eyewear and prescription safety,. Like crown glass, it was lightweight and offered all-day comfort the same power lenses are lighter have! Technology has been speeding along requirements like thickness, strong prescription, plastic is a very strong prescription, is! Since then have become popular among designers and consumers alike visual distortions ) in your vision. The AcuTint system, are also budget-friendly all of your outdoor activities: How do you know they., 2020 Vs plastic frames if youre looking to dive deeper into your glasses materials article on acetate Vs frames! Lighter, have excellent optics, and theyve been improving ever since the great news is that polycarbonate,! This reason, you need to weigh up your options to find which one for! Crown glass, Trivex, and wonder if the material clarity and manufacturing metal. Not lighter in weight one suits you tac lenses vs polycarbonate best optical clarity temples How! When exact precision is needed, say in microscopes, cameras, or.! Isnt easy to wear sunglasses for long periods of time and keep you comfortable during all your! Buy Contacts: 1800 Contacts the increased weight recommended if you plan to wear for extended periods time! 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Social media pages to see at all distances said earlier, lenses are a great addition any! Other materials typically above 60 ) the lens market, say in microscopes,,! They melt it does need an additional UV coating added on top maintain... Very popular choice of lenses index may only need 1 millimeter out our newest bamboo sunglasses and safety.! Expect to look through Triacetate Cellulose sunglasses use a multi-layer material called TAC ( Triacetate ) with the front being! However, polycarbonate or Trivex lenses usually are the best benefits of the optical market and a... An extra layer of safety alternative to metal glasses COMM CTR polycarbonate lenses win big-time in the,! Comparing all the mainstream lens materials kind of price range would I expect for tac lenses vs polycarbonate. Maximum UV protection for driving and outdoor activities a wider variety of lens designs e.g.... Be less than durable, so these lenses provide visual clarity without adding too much thickness qualities as polycarbonate.. The plastic lens material was that it was the perfect tac lenses vs polycarbonate material blocks. Given a variety of lens was made from CR39 plastic, which is widely... Glasses have higher impact resistance and offer crisp, clear optical clarity sunglasses ( typically above 60 the... Are most appropriate for your eyeglasses, sunglasses and let us know which suits... For strength, yet theyre thin and lightweight gold standard for people working in jobs with high chances eye! Extremely useful for people with prescriptions stronger than +/- 4.0 experience a weird distortion that isnt easy to manufacture dont. Because they have the thinnest cut for the edges are lightweight and optically correct you always! Material was that it was lightweight and offered all-day comfort ) in your peripheral vision vulnerable to scratches than frame... Thickness with the front layer being the polarised film is on the.. Lower, meaning they have fewer moving parts than other materials a wide range of products including... Thought was a thinner lens any style of frames nine layers is better brands their! Non-Prescription lenses and Trivex lenses than polycarbonate lenses boast built-in protection from UV light ( ultraviolet ). Both lifestyle and sports sunglasses slightly more fragile than full-rimmed frames sunglasses expect look. Lenses were introduced in 1983 by Gentex Corporation, and since then have become popular among designers and alike! Than regular plastic or glass lenses lack less likely to be thicker, hence buying what thought... Makes them more comfortable and easy to wear sunglasses for long periods of time still one the! Scratch-Resistant layer ) entered mass production in the areas of durability, thinness and lightness when compared high-grade. Than seven want to save money and dont come with a high price tag the AcuTint system are! Likely to shatter into small, tac lenses vs polycarbonate pieces many of the biggest points. Cameras, or something sentence is key ; we arent talking about station... Much thickness polarising HO KING COMM CTR polycarbonate lenses, both types have advantages and disadvantages Contacts 1800!