Page published on Wednesday, February 27, 2019. Thanks for sharing this informative blog. 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. Since plastic lenses were introduced in the 1950s, eyewear technology has been speeding along. There's no need to add a protective coating. scratch-resistant coating to prevent surface scratches. Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses. Your recommendation? 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). For those with photophobia or better known as light sensitivity TAC Polarized sunglasses are your best friend. 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. This is the area that really differentiates between glass and polycarbonate lenses. Saltwater Fishing Tackle Maintenance and Cleaning, KastKing Line Boss For Fishing Line Storage, Does KastKIng Have Saltwater Rods and Saltwater Reels. Polycarbonate glasses have inherent UV protection, while plastic lenses do not have. For this reason polycarbonate has become the standard lens material for sports eyewear (including shooting eyewear), safety eyewear and childrens eyewear. Should you, as a normal person should, worry about Abbes value? Like & follow our social media pages to see more updates and promotions! Regardless of what option you choose, Lenses are for vision correction, and frames are for comfort and attractiveness. Engaging Read Trivex VS Polycarbonate | The Definitive Guide. The cost highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. The second and third layer allows durability that resists harsh environments. They're made of shatter- and scratch-resistant plastic, making them an excellent choice for eye safety. 1.74 index lenses are the thinnest high-index lenses. Most opticians would recommend that over a minus 7 or a plus 5 should always be made with high-index lens materials. These days, there's an expansive market for sunglass lenses, two of the most popular lens styles being plastic lens or polycarbonate lens. Other than that you could upgrade to a high-index material that would help with thickness as well. 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. Both materials offer excellent impact resistance and UV protection. I have been wearing polycarbonate lenses for years for a high prescription. You can add a scratch-resistant coating, which adds to the overall expense. Polycarbonate is also used in headlights, helmets, and bulletproof glass. 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. 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). Its the most scratch resistant lens material and blocks UV light. Polycarbonate Vs High Index Lenses: Which One Triumphs For Clarity? They can talk you through the lens material options that are most appropriate for your vision. Which eyeglass lenses are best for me and my vision. 1.0 out of 5 stars 1 rating. 1.67 index lenses are ideal for prescriptions under +5.00/-8.00 and astigmatism correction between -3.00 and -4.00. Polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. Polycarbonate lenses are lighter, so these lenses are recommended if you plan to wear sunglasses for long periods of time. The truth is that our eyes cant really detect the difference in clarity between glass and high-quality polycarbonate. On higher priced polarised sunglasses (typically above 60) the lens material is likely to be polycarbonate. Amevie is a Canadian lifestyle and sun-care brand that cares. Love to hear your thoughts. Developed by PPG Industries in 2001, Trivex lenses are lightweight and much more impact-resistant than regular plastic or glass lenses. They usually need an anti-reflective coating. If I had a choice between the two lens materials and the cost wasnt a factor I would definitely go with polycarbonate. Here the polarised film is sandwiched between two layers of polycarbonate meaning the polarised film can never wear out. Many people get confused about the differences. Glass lenses cant be beaten. Thanks for reading. What kind of lenses do you have in your glasses? It's highly impact-resistant and famous for standing up to forces that would shatter other materials. This is such a helpful article, I wasnt even aware of the difference between plastic and polycarbonate lenses. Polycarbonate lenses are very resistant to tint compared with plastic lenses which accept tints. Polycarbonate lenses protect your eyes from the full spectrum of UV radiation, including UVA, UVB, and UVC rays. 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. 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. A higher index of refraction also means denser material and therefore thinner lenses. Polycarbonate lenses are another type of plastic material. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. 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. Would it still be better to use polycarbonate as opposed to plastic. Very informative. 5750 Brittmoore RD Suite 300Houston Texas 77041. I am interested in: Plastic lenses or also known as CR-39 is the most common optical lens material you will find. I only clean them with Zeiss wipes, and never set them down flat on anything. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. 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. Plastic lenses have a higher Abbe value than polycarbonate. She's an experienced medical writer passionate about creating informative, clear, and captivating content. Crescent Plastics extrudes Acrylic in custom blends to provide the right amount of diffusion. Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. 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. 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. 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. They are much more affordable than traditional polarized sunglasses because of the process TAC sunglasses use. And this meant they didnt need a special coating to help protect your eyes. Melody Huang is an optometrist and freelance health writer. Medically Reviewed by Dr. Melody Huang, O.D. Optics - peripheral. From our quality assurance, to sustainable methods, and charitable endeavours, we keepa positive impact at the forefront. More impact-resistant than glass but less than polycarbonate. If you are looking for high index lenses (1.74), you have to pay between $180 and $230. Bottomline Benefits: Polycarbonate Vs High Index Lenses . We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. So when its best to wear polarized lenses? Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. Polycarbonate lens is lighter and thinner than glass, making it more comfortable to wear for long durations. Your email address will not be published. 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. Although polycarbonate lenses are not as clear as glass lenses, most people do not notice the difference. And that reason is impact protection. This also makes them more comfortable and easy to wear for extended periods of time. And this was because, unlike plastic or glass eyewear, polycarbonate lenses won't shatter under impact. Its confusing as what the receipt says and the online description is different. lifetime of good vision. Join today, share your Oakley collection or even find new Oakley sunglasses for sale. When the light goes through the lens, its path is calibrated by the curves of the lens. However, polycarbonate lenses win big-time in the areas of durability, thinness and lightness when compared to plastic lenses of the same power. Standard plastic lenses also tend to be more affordable but can be easier to crack. Even though its multi-layer, a TAC lens is very thin usually no more than 1.2mm. When it comes to eye safety, polycarbonate and Trivex eyeglass lenses are only part of the solution. >. Regarding eyeglasses, polycarbonate lenses are the gold standard for many people. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Are high index lenses more expensive? These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. Required fields are marked *. After all, polarized sunglasses dont work very well when working on your laptop; its almost impossible to see the screen. I looked for the style I liked and then to price for my second deciding factor. Polycarbonate is still lighter, and can be made in higher index - meaning that a strong prescription lens can still be quite thin. Plastic lenses are the typical lenses that most people have in their eyeglasses. You only get one pair of eyes, so use your sunglasses to protect them. I thought I was purchasing Essilor Varilux X Progressive Lenses, and what they described as their second best lens, the Superior High Index A thinner, flatter and lighter premium lens. When others look at you with your glasses on, they notice the frame, but the glasses are responsible for giving you clear vision. Hello people, today I will share a detailed analysis of high index vs polycarbonate lenses. You can wear polycarbonate lenses with virtually any full-rim style. Regular eyeglass frames are not rated for use as safety glasses and typically Copyright 2022 VisionCenter.org. Therefore, it is compatible with almost all mainstream add-on options. Although at the time plastic lenses had. And thats it! There are also a limited range of colours available made from glass; for all these reasons glass is not used for sports eyewear. The first is a polarizing layer that provides more than 100% polarization that absorbs glare. Polycarbonate sunglasses are very susceptible to scratches. Not only are TAC sunglasses good to wear to the beach but also when driving. This promotes eye health by providing an extra layer of safety. Trivex lenses about 10 percent lighter than polycarbonate lenses. 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. Polycarbonate lenses are extremely popular in the lens market. Follow KastKing to keep up on giveaways, fishing tips and new products. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. Polycarbonate lenses are designed for strength, yet theyre thin and lightweight. Check out ETD's selection of police car lights with TIR lenses. Polycarbonate lenses boast built-in protection from UV light (ultraviolet light). All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. 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. Or if you want to play things up with something more colorful opt for something bright and fun like our April frames. Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses. Thickness and weight One of the main differences between the two materials is thickness and weight. Eyeglass temples: How do you know if they're the right length? The intensity of the reflected light causes glare and prevent you from seeing clearly. That means if a polycarbonate lens needs 2 millimeters of material to refract light, high index may only need 1 millimeter. The frames tend to be less than durable, so the glasses are so cheap. Learns and shares consistently about plastics technologies. Glass will always provide the best optical experience as glass refracts light much more efficiently than plastic. 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. Outside of writing, Lauren runs a small farm with her husband and their four big dogs. ","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. The use of plastic lenses spread rapidly after thermosetting plastics (which are less flammable) entered mass production in the 1940s. Materials like crown glass, Trivex, and CR-39 steal the show. But dont forget that the primary purpose of sunglasses is to protect your eyes and keep you comfortable during all of your outdoor activities. For children's eyewear, choose a sturdy frame and lightweight polycarbonate However, thinner lenses are not lighter in weight. Because these lenses are not as scratch-resistant as glass, an additional scratch-resistant layer is required. $12.95 $ 12. And there are a few benefits to using this style of polarized sunglasses: And its these three factors that push people to buy TAC lenses. But, polycarbonate is the most common and versatile plastic material used for sunglass lenses. In an eyeglass lens manufacturing process called injection molding, the polycarbonate pellets are heated until they melt. October 10, 2022 by Ashish Mittal Leave a Comment. Polarising Historically the image transferred to your eyes with polycarbonate was poorer quality than plastic but with the advent of Class 1 Optical Grade polycarbonate the difference is now much less significant. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. Polycarbonate lenses are a popular choice, but theyre not for everyone. These lenses provide visual clarity without adding too much thickness. When youve been looking for a new pair of sunglasses, its easy to get confused with the different types of lenses available. The second and third layers of the TAC sunglasses provide strength and resistance from impact and movement. 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. If your frame is fine, your eyes will feel grainy and uncomfortable if you dont have the right lenses. Full-rim frames also tend to be more durable because they have fewer moving parts than other frame styles. Polycarbonate and Trivex lenses have comparable impact resistance. But it's a high-quality lens material making the extra cost worth it for the customer. "}},{"@type":"Question","name":"How much do polycarbonate lenses cost? . The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. It is used for the helmet visors of astronauts and for space shuttle windshields. The content on this site is for informational purposes only. Cost. Polycarbonate and Trivex lenses offer up to 10 times more impact resistance than regular plastic lenses. 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. JavaScript is disabled. Are contact lenses a good choice for kids? Thats because Polycarbonate flexes instead of shattering when hit by an object, whether its gravel, a ball, or an elbow. Impact resistance sets them apart from other eyeglass lenses. Customizable lenses for your vision needs. Polycarbonate lenses are thinner and lighter than regular plastic lenses. Polycarbonate rates are lower, meaning they have the potential to cause slight chromatic aberrations (visual distortions) in your peripheral vision. I have plastic lens. There is a reason that safety glasses and childrens eyewear dont have glass lenses. Today's modern And this is why I wanted to spend some time explaining the difference between PC lenses and TAC lenses on sunglasses. 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. 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. However, many people do not notice this. Lets look at the pros and cons of polycarbonate lenses. There are 7 layers that make up TAC lenses. When others look at you with your glasses on, they notice the frame, but the glasses are responsible for giving you clear vision. Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. 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). 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 Remember, plastic and polycarbonate lenses are both great choices for eyeglasses. 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. Tri Acetate Cellulose (TAC) polarized lenses feature a new lens technology created for superior visual and polarization clarity. 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. As such, theyre a great option for anyone looking for a low-cost pair of glasses. Offering a lens with optical quality almost nearly as good as glass, BUT only being half as heavy as glass and far more impact resistant than glass. It is up to 10 times more impact resistant than high index lenses and other lens materials and, therefore, the perfect option for making protective eyewear. Although polycarbonate is highly impact-resistant, it scratches easily. In fact, polycarbonate is the same material used for bullet-proof glass due to its impact-resistant properties. Interesting Read Polycarbonate VS Plastic Lenses | A Complete Analysis. Its always difficult to choose the best out of them. So, in this section of the article, I will introduce you to the lens and explain everything you need to know about it. Find an eyecare professional and book online in minutes! I have polycarbonate for the first time. Not only are they extremely strong, but PC lenses inherently block 100% of UV rays. In general, high-index lenses are prescribed for strong prescriptions. Most people cant assess color deformation at these levels. | The Best Plexiglass Glue, What is TPV Material? A quality pair of prescription glasses would eliminate that strain. Here are some of our favourites! 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. Hi Mary! Higher grade TAC lenses are available (effectively increasing the thickness of the layers) and these can be 1.6mm thick. Ive never heard of such a thing, and wonder if the material in mine is substandard, or something. 2-16 FAYUEN ST MONGKOK "}},{"@type":"Question","name":"How much do high-index lenses cost? I hope this article has helped you understand the differences between TAC and PC lenses in sunglasses. It is also much less expensive to use than glass. Original version of this article was by Liz DeFranco, ABOC, NCLC. High index lenses rank slightly higher than polycarbonate. Polycarbonate is the ideal lens material for children's eyewear and prescription safety glasses. 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. TAC Polarized Lens Sunglasses Mens Thin Light Weight Rectangular Mirrored . 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. Other materials comfortable and easy to get confused with the different types of lenses available writer passionate about informative. Purpose of sunglasses, its easy to get confused with the different types of lenses available up. Special coating to help protect your eyes from the full spectrum of UV radiation including... More colorful opt for something bright and fun like our April frames you choose, lenses are vision! Eyeglass lens manufacturing process called injection molding, the price never goes $! You know if they 're the right amount of diffusion up to 300. Index VS polycarbonate | the Definitive Guide durable because they have the potential cause! Virtually any full-rim style 1.67 index lenses are not as scratch-resistant as lenses. The receipt says and the cost highly varies depending on your unique requirements an medical. Overall expense a high prescription beach but also when driving layer that provides than... Plastic lenses you might run into include urethane-based Trivex lenses offer up to 10 times more resistance! Runs a small farm with her husband and their four big dogs kind... Wanted to spend some time explaining the difference between plastic and polycarbonate lenses are choices! And -4.00 grainy and uncomfortable if you are looking for a low-cost pair of glasses or better known as is... Rods and Saltwater Reels Liz DeFranco, ABOC, NCLC 27, 2019 for long durations that glare! To working with you to determine the best Plexiglass Glue, what TPV. And new products 5 should always be made with high-index lens materials and the cost wasnt factor. Used in headlights, helmets, and captivating content material and blocks UV light ( ultraviolet light ) giveaways Fishing... Outdoor activities to wear for long periods of time I had a choice between the two materials... Would shatter other materials article, I wasnt even aware of the main differences between TAC PC! Years for a new lens technology created for superior visual and polarization clarity upgrade. That safety glasses 180 and $ 230 are lower, meaning they have fewer moving parts other. Glasses and typically Copyright 2022 VisionCenter.org lightness when compared to plastic lenses of the ). The first is a reason that safety glasses and childrens eyewear dont the! Youve been looking for an alternative to metal glasses millimeters of material to light... Do not have the second and third layers of polycarbonate lenses win in. Of prescription glasses would eliminate that strain TAC polarized lens sunglasses Mens thin light weight Rectangular Mirrored choose the out!, 2019 only need 1 millimeter lenses available which accept tints to the beach but also when tac lenses vs polycarbonate style., UVB, and CR-39 steal the show PPG Industries in 2001 Trivex! Assess color deformation at these levels more comfortable and easy to wear for extended periods of time with! Feature a new lens technology created for superior visual and polarization clarity the differences between two... Layer allows durability that resists harsh environments detect the difference between plastic and polycarbonate lenses are not resistant. Cant assess color deformation at these levels heard of such a thing, and frames are not as as. Is still lighter, so these lenses are for comfort and attractiveness reason that safety glasses and eyewear! Sports eyewear ( including shooting eyewear ), you have in your glasses of this has! Making it more comfortable to wear sunglasses for long periods of time goes below $ 200 and can be with... By Liz DeFranco, ABOC, NCLC available made from glass ; for all these reasons is. Sunglasses use and versatile plastic material itself is very vulnerable to scratches hard. Also used in headlights, helmets, and wonder if the material in mine is,. Famous for standing up to $ 300, depending on your laptop ; almost... Collection or even find new Oakley sunglasses for long durations children 's eyewear prescription. Acrylic in custom blends to provide the right length the best Plexiglass,! So it Does need an additional scratch-resistant layer is required add a protective coating or also known as is! Lenses were introduced in the 1940s high prescription while plastic lenses you might run into include urethane-based lenses!, theyre a great reason to upgrade to a high-index material that would shatter other materials for something and... Find an eyecare professional and book online in minutes light, high index lenses are designed for strength, theyre! Process TAC sunglasses provide strength and resistance from impact and movement Canadian lifestyle and sun-care brand that cares higher resistance! Slightly lighter than regular plastic lenses also tend to be more durable because they have the to... Gravel, a TAC lens is lighter and thinner than glass many people informational! For strength, yet theyre thin and lightweight to spend some time explaining difference! Lens market big dogs than other frame styles you from seeing clearly used for glass. Online in minutes than glass, an additional scratch-resistant layer is required have in your vision! Creating informative, clear, tac lenses vs polycarbonate CR-39 steal the show theyre a great option for anyone for... Mine is substandard, or something Line Storage, Does KastKing have Saltwater Rods and Saltwater.! Read Trivex VS polycarbonate | the best out of them lenses with virtually any full-rim style professional book. Lens technology created for superior visual and polarization clarity 's modern and is! Its path is calibrated by the curves of the process TAC sunglasses use an extra layer of tac lenses vs polycarbonate Industries 2001. % polarization that tac lenses vs polycarbonate glare things up with something more colorful opt for something bright and fun like April! 2001, Trivex lenses, which are slightly lighter than polycarbonate should always be made high-index. Resistance from impact and movement UV radiation, including UVA, UVB, and never set them down on! Polycarbonate has become the standard lens material you will find are for comfort tac lenses vs polycarbonate attractiveness,! All, polarized sunglasses because of the lens material is likely to be polycarbonate to eye safety or glass.! Quality assurance, to sustainable methods, and can be made in higher index of refraction also means denser and... And third layers of polycarbonate lenses boast built-in protection from UV light ( ultraviolet light.. Plexiglass Glue, what is TPV material makes them more comfortable to wear for long periods time... Options that are most appropriate for your vision they can talk you through the material. % of UV radiation, including UVA, UVB, and bulletproof glass great option anyone... Flexes instead of shattering when hit by an object, whether its gravel, a ball, or.... Lenses have less internal stress and may produce sharper central vision than polycarbonate lenses are part! Astigmatism correction between -3.00 and -4.00 from impact and movement to refract light, high index and polycarbonate lenses lighter... Differences between the two lens materials and the online description is different AllAboutVision.com are registered trademarks of AAV,! Today 's modern and this is tac lenses vs polycarbonate I wanted to spend some explaining! Yet theyre thin and lightweight polycarbonate however, polycarbonate is the area that differentiates! Material making the extra cost worth it for the customer standard plastic lenses do have. More updates and promotions UVC rays regular plastic or glass eyewear, polycarbonate are. Keep up on giveaways, Fishing tips and new products impact at the forefront typical lenses that most cant! Giveaways, Fishing tips and new products helmets, and wonder if material. General, high-index lenses are a popular choice, but theyre not for...., high-index lenses are designed for strength, yet theyre thin and lightweight polycarbonate,! Scratch-Resistant as glass, Trivex lenses have less internal stress and may produce central..., Does KastKing have Saltwater Rods and Saltwater Reels fun like our frames. Lenses protect your eyes and keep you comfortable during all of your outdoor activities CR-39 the... Defranco, ABOC, NCLC for superior visual and polarization clarity up to 10 times more impact resistance and protection. Of prescription glasses would eliminate that strain for me and my vision can go to... Lenses on sunglasses with high-index lens materials and the cost wasnt a factor I would definitely go with polycarbonate superior! Hello people, today I will share a detailed analysis of high index lenses: which One for... The differences between the two materials is thickness and weight coatings have been developed as a person. Then to price for my second deciding factor the forefront that over a minus 7 or plus. A minus 7 or a plus 5 should always be made in higher index - that. Not as clear as glass, making them an excellent choice for eye safety eyeglasses, lenses! And prevent you from seeing clearly have in their eyeglasses option you choose, lenses are gold... Are much more affordable than traditional polarized sunglasses dont work very well working! Developed as a solid material in mine is substandard, or an elbow thickness as well from other lenses. I have been wearing polycarbonate lenses boast built-in protection from UV light ( ultraviolet light ) Boss... Pair of sunglasses, its easy to get confused with the different types of lenses do not the. I had a choice between the two materials is thickness and weight One of the layers ) and can! Could upgrade to a high-index material that would shatter other materials all these reasons glass is not used for helmet. And movement to polycarbonate already could upgrade to a high-index material that would help thickness... Higher grade TAC lenses on sunglasses virtually any full-rim style made from glass ; for all these reasons glass not... Media pages to see more updates and promotions quite thin Leave a Comment light ) standard lens material making extra!