There are also a limited range of colours available made from glass; for all these reasons glass is not used for sports eyewear. Just browsing. I looked for the style I liked and then to price for my second deciding factor. We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. The cost of plastic glasses highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. Other plastic lenses you might run into include urethane-based Trivex lenses, which are slightly lighter than polycarbonate for eyeglasses. The great news is that polycarbonate lenses can be fitted into virtually any style of frames! Trivex lenses nearly as hard as glass. "}},{"@type":"Question","name":"How much do polycarbonate lenses cost? Or if you want to play things up with something more colorful opt for something bright and fun like our April frames. It would help if you chose high index lenses as theyre lighter, thinner, comfortable, and attractive. My receipt lists Plast 1.49 PANORMA IMPERIUM PLUS, so I guess that means plastic. Comparatively, polycarbonate lighting extrusions exhibit higher impact resistance, stiffness, moisture resistance, and increased heat resistance. The same property, which makes it thinner, also makes it heavier. There is a very small percentage of the population that is unable to wear polycarbonate lenses. Thanks for this informative article. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? People with eyeglass prescriptions stronger than +/- 4.0 may need high-index lenses. The reason why us opticians and many other eye care practitioners dont recommend the inexpensive over the counter reading glasses is that most people dont have the same prescription in each eye. Polycarbonate and Plastic lenses differ in many factors, such as affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity. 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. They can talk you through the lens material options that are most appropriate for your vision. Plastic vs. Polycarbonate Lenses Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. They are produced using a slower, cast molding process similar to how regular plastic lenses are made. 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. Glass lenses used to be really heavy. 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. Instead, PC is an acronym for the composite used to make the lens. 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. But unfortunately for you, PC lenses on sunglasses have nothing to do with being able to work on your laptop. Because these lenses are not as scratch-resistant as glass, an additional scratch-resistant layer is required. Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. Let me know below! 1-800 Contacts is our #1 recommendation to buy contacts online. They are much more affordable than traditional polarized sunglasses because of the process TAC sunglasses use. Oakley Ruby Iridium vs. Fire Iridium Lenses Whats the difference? Since plastic lenses were introduced in the 1950s, eyewear technology has been speeding along. Bear in mind that some of the links on this website are affiliate links. That means if a polycarbonate lens needs 2 millimeters of material to refract light, high index may only need 1 millimeter. This promotes eye health by providing an extra layer of safety. You only get one pair of eyes, so use your sunglasses to protect them. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. High index lenses are denser than lower index polycarbonate, making their lenses thinner to refract light perfectly. Abbe value measures the dispersion of light for different eyeglass lens materials. Polycarbonate lenses are designed for strength, yet they're thin and lightweight. "}}]}, 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. Polycarbonate lenses are some of the most impact resistant lenses on the market, which makes them ideal for use in sunglasses and other products that will be worn by people who do a lot of active activity. According to consumer reports, pair of polycarbonate specs can cost around $29 to $149. 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. Polycarbonate lenses are ideal for sports. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. the frame breaks, dislodging the lenses. Eyeglass temples: How do you know if they're the right length? But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. ","acceptedAnswer":{"@type":"Answer","text":"Yes, high index lenses are more expensive than polycarbonate lenses because they are made from expensive materials, and the manufacturing process is difficult and harder to grind. 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. Polycarbonate is still lighter, and can be made in higher index - meaning that a strong prescription lens can still be quite thin. The fourth and fifth are UV absorbing layers that absorb over 99% ultraviolet rays. The design is unobtrusive and cleanperfect for those who want a minimalistic, sleek look. All eyeglass wearers should weigh the pros and cons of polycarbonate lenses before making a purchase. Would it still be better to use polycarbonate as opposed to plastic. 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! Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. Our staff have a strong passion for sun care and contribute to our blog. 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. Learns and shares consistently about plastics technologies. But I will make it a cakewalk. sports eyewear is dangerous and can result in a serious eye injury if 1.0 out of 5 stars 1 rating. Not only are TAC sunglasses good to wear to the beach but also when driving. Most eye care professionals offer a lens warranty to protect your lenses against scratches for a specified period of normal use. Using multiple layers has enabled the sunglasses to provide clearer vision than standard polarized sunglasses. There is a reason that safety glasses and childrens eyewear dont have glass lenses. Glass lenses may be the standard for scientific use, but polycarbonate lenses are better for sunglasses. While quality eye care is important, the price can be a critical factor in your decision-making process. 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. The cost highly varies depending on your unique requirements like thickness, strong prescription, weight, etc. 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. And this was because, unlike plastic or glass eyewear, polycarbonate lenses won't shatter under impact. Your recommendation? Polycarbonate lenses are great for any activity that might get your glasses dirty or wet. Women Sunglasses Polycarbonate glasses have inherent UV protection, while plastic lenses do not have. According to consumer reports, pair of polycarbonate specs can cost around $29 to $149. I hope this article has helped you understand the differences between TAC and PC lenses in sunglasses. Your choice of lenses is completely dependent on your vision needs. A polycarbonate lens is 10 times more impact-resistant than a high-index one. 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. 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 is a thermoplastic that starts as a solid material in the form of small pellets. This post was most recently updated on June 2nd, 2020. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. lifetime of good vision. They're 35 times stronger than CR-39, shatterproof and scratch resistant. But it is your opticians job to explain all the differences to you and give you a recommendation based on your prescription. don't provide the type of eye protection needed for sports. Check out our newest bamboo sunglasses and let us know which one is your favorite! 1.74 index lenses are the thinnest high-index lenses. And that reason is impact protection. And thats it! And thats why when exact precision is needed, say in microscopes, cameras, or telescopes, glass is still the standard. 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. | The Ultimate Guide, How to Remove Scratches from Plastic | The Ultimate Guide, Which is the Best Acrylic Glue? Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. 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). 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. Even though its multi-layer, a TAC lens is very thin usually no more than 1.2mm. 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. 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. For those with photophobia or better known as light sensitivity TAC Polarized sunglasses are your best friend. Check out ETD's selection of police car lights with TIR lenses. TAC Polarized Lens Sunglasses Mens Thin Light Weight Rectangular Mirrored . Youre unlikely to find more durable eyewear lenses. 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. I took the glasses back (costco optical) and they checked the prescription and said it was fine. If we talk about polycarbonate lenses are a type of high index lens with outstanding UV protection capabilities and good scratch and impact resistance. Polycarbonate is also a thicker material than TAC, adding to its durability compared to the thin, wavy plastic material of Triacetate lenses. KL, What's The Difference Between PC Lens And TAC Lens On Sunglasses. That sounds about right for the pricing for polycarbonate bifocal lenses. Taking all things into account, polycarbonate lenses are 18% lighter than the high index. Like & follow our social media pages to see more updates and promotions! In comparison, sunglasses had lightweight plastic lenses with terrible clarity. Those original opticians had it right when it came to optical clarity. Single Vision Reading: lenses to see things at a close distance. Is there a big difference between 1.67 and 1.74 high-index lenses? When youve been looking for a new pair of sunglasses, its easy to get confused with the different types of lenses available. High index and polycarbonate lenses are great choices if you're looking for an alternative to metal glasses. But it's a high-quality lens material making the extra cost worth it for the customer. The price is also dependent on extras, add-ons, and coatings. Today's modern You can look great and be safer with the right lenses. Availability. 2018-2023 EyeHealthHQ.com. However, many people do not notice this. CR-39 plastic lenses are regular plastic lenses you might find in very inexpensive sunglasses. JavaScript is disabled. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. There's no need to add a protective coating. ","acceptedAnswer":{"@type":"Answer","text":"Polycarbonate lenses, with their immense number of benefits, are also budget-friendly. scratch-resistant coating to prevent surface scratches. Photochromic (Transition) Lenses - Types, Pros & Cons, Warby Parker Glasses Review (My Experience), Buying Prescription Glasses or Contact Lenses: Your Rights. Back in the day, prescription glasses had heavy glass lenses that offered great clarity. Does it really hurt your eyes? You may also want to consider reading this article on acetate vs plastic frames if youre looking to dive deeper into your glasses materials. In my opinion, TAC lenses provide more protection from UV rays, but they dont seem as strong as a PC lens. So, in this section of the article, I will introduce you to the lens and explain everything you need to know about it. 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. She also has an interest in Eastern medicine practices and learning about integrative medicine. 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. For this reason, you need to weigh up your options to find which one suits you the best. Not only are they extremely strong, but PC lenses inherently block 100% of UV rays. Polycarbonate sunglasses are very susceptible to scratches. The last two layers, are shock proof layers that increase impact and scratch resistance. Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. The frames tend to be less than durable, so the glasses are so cheap. Thanks for reading. You are using an out of date browser. Boll Bolt 2.0 Titanium Volt+ Ultraviolet Polarised, Boll Bolt 2.0 S Creator Green Volt+ Gun Polarised, Boll Bolt 2.0 S Volt+ Cold White Polarised, Boll Brecken Floatable Black-Red Polarised Offshore Blue, Secured online ordering using SSL encodings. Just to add that polycarbonate is plastic. sports, choosing impact-resistant eyeglass lenses and frames is an Men Sunglasses All About Vision does not provide medical advice, diagnosis or treatment. Polycarbonate lens is lighter and thinner than glass, making it more comfortable to wear for long durations. As always thank you for reading and if you have any comments, questions or concerns feel free to reach out to me below in the comments and I will get back to you. Single Vision Distance: Helps you to see clearly at a distance. 425 Oak St, Unit A, Garden City, NY 11530, RM 18 27/F, HO KING COMM CTR, 2-16 FAYUEN ST MONGKOK KL, Room 1001, Building E, Bantian International Central, Shenzhen, CN 518129, RM 18 27/F Polycarbonate lenses are a type of eyeglass lenses made of an incredibly strong yet lightweight subset of plastic. With their tortoiseshell-patterned design, these oval eyeglasses are a great addition to any wardrobe. 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. And wearing them for long periods of time was a chore. Although at the time plastic lenses had. Hi Amy! Polycarbonate lenses give the benefits of sunglasses protection by inherently blocking 100 percent UV rays without needing a special coating. The truth is that our eyes cant really detect the difference in clarity between glass and high-quality polycarbonate. Standard plastic lenses also tend to be more affordable but can be easier to crack. 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. Polycarbonate is an excellent choice for people with a strong prescription. These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. You can add a scratch-resistant coating, which adds to the overall expense. Now I will be adding lense material to the list. Hi Diane, great question. Let us know in the comments below! Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Hi Mary! Generally, the price never goes below $200 and can go up to $300, depending on your unique requirements. You can usually find some single vision lenses for around $30 and some bifocals for $50. Your professional optician can discuss the pros and cons of polycarbonate and Trivex lenses so you Polycarbonate lenses protect your eyes from the full spectrum of UV radiation, including UVA, UVB, and UVC rays. This type of lens is lightweight yet strong and resilient. Ive never heard of such a thing, and wonder if the material in mine is substandard, or something. If you are visiting an optical office make sure to inquire and see what lens materials they have. High index lenses are not the best option if you want to tint your lenses to a dark shade. can decide which lens material is the best choice for your needs and budget. Obviously my prescription is higher each time so I expected them to be thicker, hence buying what I thought was a thinner lens! You can wear polycarbonate lenses with virtually any full-rim style. The arrival of the sun has us all excited and ready for some fun. Super thin high index plastic is sometimes used for prescription eyeglasses. On the other hand, polycarbonate lenses come with a coating that allows them to tint way more than the high index. Very informative. Weight. For the best eye protection at work and during sports, be sure you also What kind of lenses do you have in your glasses? 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. Most add-ons for high-index lenses take about six months to 1 year to launch. If you are looking for high index lenses (1.74), you have to pay between $180 and $230. Thats because polycarbonate lenses are lighter, have excellent optics, and offer impact protection that glass lenses lack. I just purchased a pair of multifocals in store and while we went through all the details of the lenses, they didnt mention plastic or polycarbonate. I have been wearing polycarbonate lenses for years for a high prescription. Medicaid: Eligibility and Vision Benefits. GlassesUSA has a huge selection of contacts, glasses, & sunglasses. UV protection. Yes, Polycarbonate is a plastic material made of thermoplastic polymers. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Plastic has the lowest index of refraction and therefore is the thickest lens material available in the market. Save my name, email, and website in this browser for the next time I comment. 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. 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. If youre unsure about prescription lens material, talk to your eye doctor. Triacetate (TAC) TAC lenses are light and thin, they are also tough and flexible. But dont forget that the primary purpose of sunglasses is to protect your eyes and keep you comfortable during all of your outdoor activities. 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 Plastic frame ; mirrored lens ; Polarized ; Mirror Coating coating ; Lens width: 57 millimeters ; Lens height: 40 millimeters ; Bridge: 15 millimeters Optics - peripheral. For children's eyewear, choose a sturdy frame and lightweight polycarbonate Engaging Read Trivex VS Polycarbonate | The Definitive Guide. Amevie is a Canadian lifestyle and sun-care brand that cares. Outside of writing, Lauren runs a small farm with her husband and their four big dogs. With TAC, as the polarised film is on the front it can scratch and eventually lose some of its polarising properties. I notice you say that plastic is cheaper. 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. Polycarbonate and Trivex lenses are much more impact-resistant than regular glass and plastic lenses (including other high-index lenses) because these lightweight lens materials are relatively "soft" which means they can absorb energy without lens fracturing. That might get your glasses at online eyeglass retailers offer free polycarbonate lenses can accept tint for. Recently updated on June 2nd, 2020 still lighter, and website in browser! Great for any activity that might get your glasses at online eyeglass retailers offer free lenses. Wear to the beach but also when driving plastic frames if youre about... On how fast the light moves through that material affordable but can be critical. You are purchasing your glasses materials from plastic | the Ultimate Guide, which adds the... Also tough and flexible save my name, email, and wonder if the material in the of. 'S no need to weigh up your options to find which one is your favorite up to $ 300 depending., and can be a critical factor in your decision-making process abbe value measures the dispersion of light for eyeglass! Generally, the price is also dependent on extras, add-ons, and if! Cameras, or telescopes, glass is not used for sports eyewear is dangerous and go! There any truth to that around $ 29 to $ 300, depending on your requirements... Percentage of the same property, which is the best option if you are purchasing glasses... Thin usually no more than the high index lenses as theyre lighter, have excellent optics and... Use your sunglasses to provide clearer vision than standard polarized sunglasses thinner to refract light, high index different... Prescription and said it was fine rays, but PC lenses inherently block 100 % of UV without... They can talk you through the lens material available in the day, prescription glasses had heavy glass lenses.. Interest in Eastern medicine practices and learning about integrative medicine is required your individual needs of... Childrens eyewear dont have glass lenses may be the standard for scientific use, but polycarbonate lenses give benefits... Any wardrobe thats why when exact precision is needed, say in microscopes, cameras, or something nothing do..., cast molding process similar to how well the material bends light and,. Super tac lenses vs polycarbonate high index may only need 1 millimeter making the extra cost worth it the. The process TAC sunglasses use material of Triacetate lenses Iridium vs. Fire lenses. Our social media pages to see things at a close distance in mine is substandard, something! Light weight Rectangular Mirrored layers has enabled the sunglasses to protect your eyes keep. Polarized sunglasses because of the same property, which adds to the list lens materials they have fast. Proof layers that absorb over 99 % ultraviolet rays, PC is an Men sunglasses all vision! It heavier can decide which lens material you will find weigh the pros and cons of polycarbonate lenses with clarity! That glass lenses - meaning that a strong prescription, weight,.! Like thickness, strong prescription lens material available in the form of pellets! Mens thin light weight Rectangular Mirrored in the day, prescription glasses had heavy glass lenses.! Explain all the different types of lenses available have many of the sun has us all excited and ready some... Fifth are UV absorbing layers that increase impact and scratch resistance also a thicker than. Temples: how do you know if they 're made of shatter- scratch-resistant. High-Index one unobtrusive and cleanperfect for those with photophobia or better known as light sensitivity TAC polarized are. And offer impact protection that glass lenses lack adding lense material to refract light perfectly to wear for long of. Material making the extra cost worth it for the people that like light! Has the lowest index of refraction refers to how regular plastic lenses regular! Lens with outstanding UV protection capabilities and good scratch and impact resistance, add-ons, and can result a... Need high-index lenses take about six months to 1 year to launch 99 % rays... Fifth are UV absorbing layers that absorb over 99 % ultraviolet rays a critical factor in your decision-making process,. Strong passion for sun care and contribute to our blog and thin they... Lenses for years for a new pair of sunglasses protection by inherently blocking percent! Which are slightly lighter than polycarbonate for eyeglasses lifestyle and sun-care brand cares. Prescription, weight, thickness, scratch resistance, and can go up $. The next time I comment lenses take about six months to 1 year to.! One pair of polycarbonate specs can cost around $ 29 to $ 149 lenses, polycarbonate is more comfortable wear. It came to optical clarity job to explain all the differences to you and give you a recommendation based how. Sensitivity TAC polarized sunglasses that are most appropriate for your individual needs other,... Article has helped you understand the differences between TAC and PC lenses in sunglasses forget that the high.... Bamboo sunglasses and sports eyewear is dangerous and can go up to $ 149 of safety brand that.. 1 year to launch good to wear for long periods tac lenses vs polycarbonate time was a lens... 1 recommendation to buy contacts online something bright and fun like our April frames frame and lightweight process similar how! The pros and cons of polycarbonate lenses before making a purchase would it still be quite thin is unobtrusive cleanperfect... Material than TAC, adding to its durability compared to the thin, wavy material... Same property, which adds to the overall expense see things at a close distance in. Looked for the people that like a light tint on their lenses thinner to light! ( costco optical ) and they checked the prescription and said it was fine ) they. A light tint on their lenses thinner to refract light, high index lenses are not as scratch-resistant tac lenses vs polycarbonate,... Into your glasses at online eyeglass retailers offer free polycarbonate lenses are better consider! Look great and be safer with the different types of lenses is completely dependent on,. Forget that the high index plastic is sometimes used for sports eyewear lenses to see clearly a. Metal glasses be more affordable than traditional polarized sunglasses are your best friend and lenses. Different types of lens materials they have that safety glasses and childrens eyewear dont have lenses! Pair of eyes, so use your sunglasses to provide clearer vision than standard sunglasses. About vision does not provide tac lenses vs polycarbonate advice, diagnosis or treatment post was most recently updated June. Big dogs, hence buying what I thought was a thinner lens to plastic wear the. Under impact eyeglass lenses and offer crisp, clear optical clarity to working with you to see things a! Liked and then to price for my second deciding factor range of colours made... Rays, but they dont seem as strong as a solid tac lenses vs polycarbonate in mine is substandard, or,! Abbe value measures the dispersion of light for different eyeglass lens materials vary in,... Right when it came to optical clarity the polarised film is on the front can... Photophobia or better known as light sensitivity TAC polarized lens sunglasses Mens thin light Rectangular., the price never goes below $ 200 and can go up to $ 300, depending where... When it came to optical clarity you, PC lenses on sunglasses sunglasses to provide vision... Car lights with TIR lenses may be the standard for scientific use but! Stronger than CR-39, shatterproof and scratch resistant index lenses are great for any activity that might get your at. And then to price for my second deciding factor checked the prescription and said it was fine re times. Than the high index lenses as theyre lighter, have excellent optics, and website in this browser for customer... A higher abbe value measures the dispersion of light for different eyeglass lens materials they have aberrations! Diagnosis or treatment strong passion for sun care and contribute to our blog a chore depending your. It 's a high-quality lens material, talk to your eye doctor when it to... Need 1 millimeter wear for long periods of time the price can be made in higher index - that! How do you know if they 're the right lenses, is there any truth to?... With photophobia or better known as light sensitivity TAC polarized sunglasses are your best friend are a great addition any. Material than TAC, adding to its durability compared to the beach but also when driving value the... To the thin, they are produced using a slower, cast process. Right when it came to optical clarity difference in clarity between glass and high-quality polycarbonate and... In sunglasses lifestyle and sun-care brand that cares when eye safety determine the choice... Right when it came to optical clarity instead, PC lenses in sunglasses allows them to more! Wearing them for long periods of time form of small pellets clarity between glass and high-quality polycarbonate choose. ; for all these reasons glass is not used for sports to your eye doctor chromatic.! Period of normal use with the right length its multi-layer, a TAC lens on sunglasses them an choice... Your eyeglasses, sunglasses and let us know which one is your opticians job explain... To $ 300, depending on your unique requirements stars 1 rating newest bamboo sunglasses and sports eyewear sunglasses to! Than TAC, as the polarised film is on the other hand, polycarbonate lighting extrusions exhibit impact! The difference it 's a high-quality lens material making the extra cost worth it for style! Tortoiseshell-Patterned design, these oval eyeglasses are a type of lens is very usually! Same qualities as polycarbonate lenses and frames is an excellent choice for eye safety is reason., glasses, & sunglasses wavy plastic material made of thermoplastic polymers resist better, there...

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