Polycarbonate and Plastic lenses differ in many factors, such as affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity. Ive never purchased glasses from Walmart before, so I dont have any experience with them. RELATED:How to clean your glasses the right way. TAC (Triacetate Cellulose) lenses are a special design primarily made of an organic biodegradable polymer film that is the same that is used for photographic film and electronic screens. It would help if you chose high index lenses as theyre lighter, thinner, comfortable, and attractive. Comparatively, polycarbonate lighting extrusions exhibit higher impact resistance, stiffness, moisture resistance, and increased heat resistance. However, thinner lenses are not lighter in weight. Many online eyeglass retailers offer polycarbonate standard with their glasses at very affordable prices. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. Follow KastKing to keep up on giveaways, fishing tips and new products. 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. Higher grade TAC lenses are available (effectively increasing the thickness of the layers) and these can be 1.6mm thick. Find an eyecare professional and book online in minutes! This is often a difficult decision to make if you dont know what the benefits are between the different lens materials. Thats because Polycarbonate flexes instead of shattering when hit by an object, whether its gravel, a ball, or an elbow. This also makes them more comfortable and easy to wear for extended periods of time. "}}]}, The plastic industry mainly uses injection molding, blow molding, extrusion, and compression molding techniques of which Ashish holds tremendous knowledge, Your email address will not be published. You can add a scratch-resistant coating, which adds to the overall expense. Ask your optician for details. A polycarbonate lens is 10 times more impact-resistant than a high-index one. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. If you are looking for high index lenses (1.74), you have to pay between $180 and $230. Our Madison frames are the perfect blend of vintage and modern style, and offer full-rim durability. And wearing them for long periods of time was a chore. Is there anything that could be done to grind the edges a little less thicker. 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! Instead, PC is an acronym for the composite used to make the lens. 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. 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. "}},{"@type":"Question","name":"How much do polycarbonate lenses cost? We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. Polycarbonate (PC) Polycarbonate lenses are light, and are also almost shatter-proof; they also have high UV absorption. Polycarbonate was developed in the 1970s for aerospace applications. The question is, why are they good, and what do you need to know about them. Polycarbonate lenses are designed for strength, yet theyre thin and lightweight. TAC Polarized Lens Sunglasses Mens Thin Light Weight Rectangular Mirrored . 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. Plastic lenses look the optical industry by storm when they were introduced. But if your polycarbonate lenses do break, they are less likely to shatter into small, harmful pieces. Photochromic lenses are available in both materials. | An In-Depth Guide, What is the Best Plastic Glue? Heres a quick overview of the differences. Hi Diane, great question. To start with should you get plastic or polycarbonate lenses? Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. 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. Hello people, today I will share a detailed analysis of high index vs polycarbonate lenses. And this helps to make the sunglasses more flexible and durable, so you get a longer life from them. Triacetate (TAC) TAC lenses are light and thin, they are also tough and flexible. Support the site and become a premium member today! There are also a limited range of colours available made from glass; for all these reasons glass is not used for sports eyewear. Although at the time plastic lenses had. 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. Optics - peripheral. Comparatively, plastic lenses are much older than polycarbonate lenses. Both materials offer excellent impact resistance and UV protection. Thats because polycarbonate lenses are lighter, have excellent optics, and offer impact protection that glass lenses lack. For me I am going back to plastic. In that case, going with plastic, glass or a hi-index material would be better. There's no need to add a protective coating. Thanks for sharing this informative blog. This plastic tends to reflect a lot of light, leading to glare. Because they are less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyeglasses. How older drivers can improve their driving at night, High-index lenses: Transform thick glasses to thin glasses, Aspheric lenses for better vision and appearance, Trivex Eyeglass Lenses: Tough and Lightweight. 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. In my opinion, TAC lenses provide more protection from UV rays, but they dont seem as strong as a PC lens. They are produced using a slower, cast molding process similar to how regular plastic lenses are made. Why do they not recommend the cheap glasses. This type of lens is lightweight yet strong and resilient. Could this still be plastic or is this polycarbonate? The first is a polarizing layer that provides more than 100% polarization that absorbs glare. Full-rim frames also tend to be more durable because they have fewer moving parts than other frame styles. Ive had glasses that were used as long as 4 years, and never had such a problem. Here are some of our favourites! In other words, PC stands for polycarbonate. I only clean them with Zeiss wipes, and never set them down flat on anything. This makes poly lenses a better option for athletes and children. Some companies use exclusively one or the other, some offer both. 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. Other than that you could upgrade to a high-index material that would help with thickness as well. Polycarbonate lenses can be used in a wide range of products, including sunglasses and safety glasses. Be the first to hear about new products & exclusive offers. 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. Choosing the right lens for your sunglasses is very important if you want to protect your eyes from harmful UV rays. 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. Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses. or Trivex lenses. The great news is that polycarbonate lenses can be fitted into virtually any style of frames! Polycarbonate lenses are slowly starting to come standard from many eyeglass manufactures. . And this is why I wanted to spend some time explaining the difference between PC lenses and TAC lenses on sunglasses. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. Theyre designed to withstand impact, correct vision issues and support more active lifestyles. lifetime of good vision. Even then with the scratch-resistant coating plastic lenses are still one of the easiest lenses to be scratched. With TAC, as the polarised film is on the front it can scratch and eventually lose some of its polarising properties. Polycarbonate Vs High Index Lenses: Which One Triumphs For Clarity? Optics - central. Your eye doctor can provide more information on any questions you may have. HO KING COMM CTR But unfortunately for you, PC lenses on sunglasses have nothing to do with being able to work on your laptop. Some are known to go up to 9 layers, but theres no confirmation whether having nine layers is better than seven. 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. Polycarbonate lenses are a relatively new lens technology. Polycarbonate lenses are designed for strength, yet they're thin and lightweight. But the high quality in that sentence is key; we arent talking about gas station sunglasses here. 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. When driving, polarized sunglasses can help reduce glare as a result of light being reflected off the hoods of other vehicles. I have bought many pairs of glasses and the lense material never crossed my mind. 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. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. 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. When you grab your favorite pair of Amevie sunglasses expect to look through Triacetate Cellulose or TAC, for short Polarized 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. Than regular plastic lenses are still one of the layers ) and can! Grade TAC lenses are lighter, thinner, comfortable, and attractive more comfortable and easy to for... Alternative to metal glasses to grind the edges a little less thicker, going with plastic, or. Share a detailed analysis of high index lenses as theyre lighter, thinner lenses available... 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