PETG vs Polycarbonate: Material Review . Lastly, plastic lenses don’t 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. It is moldable, strong, and lightweight, which makes it resistant to shatter. And polycarbonate lenses are 10 times impact-resistant than common plastic lenses. Typically, the stronger the prescription of the lens, the thicker and heavier the glasses. In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. Ordinary plastic lenses offer minimal protection from UV radiation. Well, plastic lenses are our basic lens. They are more than 10-times more impact resistant than your average plastic or glass lens. It depends on your habits use for the spectacle. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. Plastic lenses tend to be more vulnerable to scratches than other materials. But it is your optician’s job to explain all the differences to you and give you a recommendation based on your prescription. If you’re interested in trying out this material for your lenses, select 1.59 index lenses for your frames at checkout. Obviously, I am clearly talking about CR-39 vs polycarbonate. This category only includes cookies that ensures basic functionalities and security features of the website. Ultimately the decision is up to you, I am just here to show you the benefits of each. These cookies do not store any personal information. Polycarbonate lenses are 10 times more impact-resistant than ordinary plastic lenses. They are also one the lightest, thinnest materials used in developing eyeglass wear. Share. Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids’ glasses. Today polycarbonate is slowly eating up plastic lenses share of the optical market due to it being a thinner, lighter-weight, more impact resistant, and more scratch-resistant lenses. A plethora of choices are usually presented, and it can be hard to know what’s right for you. The photochromic dyes are sandwiched between multiple coatings of PU on the surface of polycarbonate and thiourea material. Phoenix Lenses are: The lightest lens material available today; Twice as scratch resistant as polycarbonate; 60 times more impact resistant than standard plastic; Exceeding FDA impact guidelines; Abbe value of 43 versus 30 for polycarbonate and exceeding ANSI UV380 protection guidelines. 1 doctor agrees. It is very popular today especially for sunglasses and sports eyewear. Polycarbonate is sometimes called Lexan (trademarked name by GE Plastics) or Makrolon. I have 4 mo old poly carbonate lenses from Walmart. Love to hear your thoughts. Is what they’ve told me true? In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. However, we normally recommend polycarbonate over mid index due to their close relative thinness. They are considered a high index plastic. Polycarbonate lenses were the first plastic high index lenses. Let’s look at the pros and cons of polycarbonate lenses. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. Thankfully, polycarbonate and nearly all high-index plastic lenses have 100 … I’ve never purchased glasses from Walmart before, so I don’t have any experience with them. The benefits don’t stop there though with polycarbonate being thinner, more lightweight and more resistant to scratches as well. Let me know below! Plastic Lenses. Very informative. The reason these lenses darken in sunlight but not indoors under artificial light, is that room light does not contain the UV (short wavelength light) found … This is how the road down alternative materials got its start. Polycarbonate is popular for lenses because of its high resistance to impact. They are often used in high myopes to allow for the glasses to be thinner and lighter. Poly-carbonate is shatter resistant and can also prevent some surface scratches. Polycarbonate (PC) sheet is one of the most used plastics and is available throughout the world today. Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. This website uses cookies to improve your experience while you navigate through the website. Are resin or plastic fillings safe. 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. Never! The top and bottom edges of both lens have many, very fine scratches. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. They are flexible and durable material. How to repair scratches on a plastic eyeglass lens. Best way to clean polycarbonate lenses. Polycarbonate lenses are very resistant to tint in contrast to plastic lenses which accepts tints. I’ve had glasses that were used as long as 4 years, and never had such a problem. Most other plastic lenses are made from a cast molding process, where a liquid plastic material is baked for long periods in lens forms, solidifying the liquid plastic to create a lens. All the different types of lens materials vary in weight, thickness, scratch resistance, and impact resistance. Impact-resistant Lenses. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. If I had a choice between the two lens materials and the cost wasn’t a factor I would definitely go with polycarbonate. Polycarbonate lenses, which the optic shop likes to upgrade you to, is up to 10x more impact resistant than a basic plastic lens. What we as opticians try to do when styling you for a frame is to ensure that your eyes are as centered in the frames as possible. Would it still be better to use polycarbonate as opposed to plastic. Solve application challenges, find answers to material questions, and get valuable technical advice. PLASTIC VEINS. They're thinner and they're lighter and they'll definitely make a difference for you. Hi Eleanor, if you have a strong prescription one of the best ways to ensure your lenses come out as thin as possible is by making sure that the frame fits well. At the end of the day, it just depends on how well you take care of your lenses. Sunglasses for babies with polycarbonate lenses, Effects of Blue Light on Eyes – New Study Reveals How it Damages Your Eyes, Zenni Glasses Review 2020 – The Most Affordable Glasses Online, Lightweight – 20% lighter than plastic, substantially lighter than glass, The material is soft and requires a scratch-resistant coating, Distortion on lens edge for higher prescriptions, Is more reflective than plastic or glass (. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. What are Polycarbonate Lenses? For those 2 you probably can't tell. Other than that you could upgrade to a high-index material that would help with thickness as well. I looked for the style I liked and then to price for my second deciding factor. But polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. Hi-index plastic is lightweight and thinner than most plastic. Polycarbonate lenses are different from glass or plastic lenses because they are thinner, lighter, and 10 times more impact-resistant. Dr. Michael Rizen answered. We’re here to help. However, thinner lenses won’t necessarily mean they will weigh less. In addition, the 1.59 pure polycarbonate lens tends to scratch more easily than the 1.50, 1.57, and 1.53 lenses, because it’s a softer lens material. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. 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. Polycarbonate Vs Plastic CR39 Lenses: Worth the upgrade? Winner: Glass Lenses . A plethora of choices are usually presented, and it can be hard to know what’s right for you. Like polycarbonate, they are thinner (by 20%) and lighter than standard plastic lenses and offer excellent impact resistance. Polycarbonate lenses are better than plastic lenses. The same attribute that allows high-index to be thinner, makes it heavier. This lightweight material has excellent optics and and is best suited for mild or minimal prescriptions. Melted plastic. They also provide great optical clarity. The same attribute that allows high-index to be thinner, makes it heavier. Polycarbonate Vs. Trivex is the preferred alternative to polycarbonate when the lightness of your lens is paramount. Ordinary plastic lenses offer minimal protection from UV radiation. Polycarbonate Lenses Vs Plastic. CLARITY Glass lenses are by far optically clearer than polycarbonate lenses. Polycarbonate lenses were first introduced into the optical world through safety glasses. Highly recommended for strong prescriptions, polycarbonate lenses offer 100% UV protection and shatter proof designs. 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. 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. Are those ever any type of polycarbonate or plastic? Polycarbonate lenses are made from a type of plastic that is famous for its durability. And polycarbonate lenses are 10 times impact-resistant than common plastic lenses. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. Is one really better than the other? Ask a Plastics Expert. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This is why we want all patients to get Poly-carbonate lenses. June 15, 2020 June 15, 2020 8 min read Muskan. Kanobi regularly submits content online to Gamer DNA. Technical Assistance. Breann Kanobi has worked as freelance writer since 2010. One of the biggest differences between acrylic and polycarbonate is the cost. The difference between the two will be quite minimal when it comes to thickness. Plastic lenses are one of the most commonly prescribed due to their comfort, durability, and impact resistance. Moreover, Polycarbonate is durable and hard to break in comparison to plastic. The two major differences between glass and plastic are weight and scratch resistance. Polycarbonate sheets can cost on average about 35% more than acrylic. Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. Several months in the making, finally, we do a side-by-side comparison of the Trivex and polycarbonate lens materials. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. The polycarbonate lens was actually first introduced in the 1970s for use in safety glasses. Shop Prescription Glasses. ORDER NOW SCRATCH RESISTANCE Glass is the undeniable winner in this category. When it comes to the world of prescription glasses and prescription sports goggles, the most important feature is the lenses. They also offer 100 percent protection from the sun’s harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses. Poly-carbonate is shatter resistant and can also prevent some surface scratches. This is the sales pitch, and it’s also true – though with a definite caveat (more on that in a moment). 0. Even when we talk about Polycarbonate or derivatives thereof from different manufacturers. Thanks for stopping by! 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. 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 Lenses. Polycarbonate vs. Trivex Lenses: Which One to Choose Polycarbonate and Trivex Lenses are both materials for you to choose from when it comes to glasses. Polycarbonate is the worst performing commonly used plastic, having the lowest value of 30. Polycarbonate lenses set the standard in vision correction. Let’s take a look at the pros and cons. Glass lenses are clearer than polycarbonate plastic and will provide you with the crispest visual experience. They also offer 100 percent protection from the sun's harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses. With all things equal, polycarbonate is up to 18% lighter than high-index. 7 Ways to Tell if Your Glasses Lenses are Made of Plastic or Glass. The reason these lenses darken in sunlight but not indoors under artificial light, is that room light does not contain the UV (short wavelength light) found in sunlight. … Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. Trivex lenses were created by PPG Industries to be a direct competitor to polycarbonate lenses. They do have more chromatic aberration though. While they’re not the thinnest kind of lens out there, they still retain their position as the swiss-army-knife of eyewear lenses. Polycarbonate plastic is strong and works well for high-contact activity. The higher the refractive index, the thinner the glass. 7 Ways to Tell if Your Glasses Lenses are Made of Plastic or Glass. These cookies will be stored in your browser only with your consent. If you feel like it is worth the time and hassle then send them back. This post was most recently updated on June 2nd, 2020. Hi Tim! Polycarbonate vs plastic eyeglass lenses. 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. Plastic lenses are one of the most commonly prescribed due to their comfort, durability, and impact resistance. I notice you say that plastic is cheaper. Polycarbonate lenses were the first plastic high index lenses. What are the benefits of glass lenses vs. polycarbonate lenses? The polycarbonate lens is an upgraded option. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. Polycarbonate lenses are thinner and lighter than regular plastic lenses. Facebook Twitter Google+ Email. Glasses become a burden if you are … Thus, the lenses are often used in safety goggles, sports glasses and children's eyewear. Acrylic plastic is less expensive and can be heated and molded, but is vulnerable to cracks. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for … Polycarbonate lenses are also much thinner and lighter in weight. Also, another significant difference between polycarbonate and plastic is that the polycarbonate can be made thinner than plastic. So, It is a good idea to try them. Impact-resistant Lenses. Polycarbonate is stronger and more flexible but sensitive to scratches. 1 doctor answer. Home Research Solutions Plastic Properties Table. Polycarbonate Lenses . In fact, polycarbonate lenses are usually applied to sports goggles to shield the eyes. Your recommendation? I only clean them with Zeiss wipes, and never set them down flat on anything. Thank you for reaching out. Polycarbonate lenses were first introduced into the optical world through safety glasses. What kind of lenses do you have in your glasses? Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. Meet CR-39. Many kinds of lenses are manufactured from polycarbonate, including automotive headlamp lenses, lighting lenses, sunglass / eyeglass lenses , swimming goggles and SCUBA masks, and safety glasses/goggles/visors including visors in sporting helmets/masks and police riot gear (helmet visors, riot shields, etc. Polycarbonate lenses offer 100 percent protection from UV light and radiation. polycarbonate lens vs plastic lens. Glass vs plastic lenses, high index vs standard, polycarbonate? Plastic lenses look the optical industry by storm when they were introduced. In fact, polycarbonate lenses are usually applied to sports goggles to shield the eyes. They provide extra safety for your eyes without sacrificing comfort or fit. Lightweight and thinner than glass lenses, polycarbonate is … High index lenses are thinner than normal lenses and bend light in a slightly different way. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. And Then Came Poly Polycarbonate is still lighter, and can be made in higher index – meaning that a strong prescription lens can still be quite thin. August 18, 2016 Jon Off CNC Laser, CNCROi.com News, Plastic Products, PETG and Polycarbonate share very similar properties, today at CNCROi.com, we’ll review why one is better than the other for most applications. polycarbonate vs plastic lenses best for high myope? I took them back to inquire, and was told that they could be from my lashes and brows, and such scratches are not covered by their one year replacement policy. Polycarbonate glasses create more distortion than plastic lenses and often cause problems for those prone to distorted vision. Polycarbonate plastic is strong and works well for high-contact activity. The key difference between polycarbonate and plastic is that polycarbonates are lighter but much stronger than plastic. You’re absolutely right! Winner: Plastic Lenses . Trivex lenses vs polycarbonate. Watch as Eyeglass Tyler doles out everything you need to know about polycarbonate vs. CR-39 lenses. Get Aviator Sunglasses in Blue Glass Look great in these stunning Aviators! One of the best benefits of the plastic lens is how inexpensive they are. Lastly, plastic lenses don’t 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. Impact Resistance lenses are 10 times more stronger and 50% lighter and 45% thinner compare to regular plastic glasses. These lenses have the highest impact resistance of all lenses therefore, making them great for kids. So let’s dive in and take a look at what the differences are between these two very similar but different materials. By clicking “Accept”, you consent to the use of ALL the cookies. The liquid polycarbonate is then rapidly … Even then with the scratch-resistant coating plastic lenses are still one of the easiest lenses to be scratched. Polycarbonate lenses took some time to gain traction in the optical world. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. Shop Prescription Glasses. But opting out of some of these cookies may have an effect on your browsing experience. PC is a transparent thermoplastic that can be found commercially and is available in … Polycarbonate Vs. 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. With all things equal, polycarbonate is up to 18% lighter than high-index. They are often used in high myopes to allow for the glasses to be thinner and lighter. Posted by Goggles N More on 12th Jun 2020. 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. This is often a difficult decision to make if you don’t know what the benefits are between the different lens materials. Now I will be adding lense material to the list. But people often tend to get confused between both of them. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. The most wearers of glasses use plastic lenses due to impact resistance and less weight. High-index plastic lenses have a refractive index between 1.6 and 1.74; the index of ordinary plastic and polycarbonate lenses is 1.5 and 1.59, respectively. Eye lens discoloration or spots on eye lens. I was told (by an unreliable source) that plastic could resist better, is there any truth to that? Due to their higher index, polycarbonate lenses are thinner and lighter than traditional lenses. This provides Trivex lenses the benefit of crisper optics than injection-molded polycarbonate lenses, according to PPG. 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 Resin’s” that didn’t make the cut for optical lenses. I have plastic lens. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. 20 years experience Ophthalmology. Bear in mind that some of the links on this website are affiliate links. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). polycarbonate vs plastic eyeglass lenses. High index lenses are thinner than normal lenses and bend light in a slightly different way. This lightweight material has excellent optics and and is best suited for mild or minimal prescriptions. How iCare does Eye Care for the Bronx. Necessary cookies are absolutely essential for the website to function properly. Thanks for sharing this informative blog. Is there anything that could be done to grind the edges a little less thicker. Polycarbonate lenses may be thinner, lighter, and more durable than plastic material, but that’s not necessarily true when compared to rival technology like Trivex lenses. Does it really hurt your eyes? As a general rule of thumb, glass lenses will cost you more than plastic ones. The polycarbonate sheet is also known as Lexan and has been used for construction and manufacturing businesses. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. RELATED: Sunglasses for babies with polycarbonate lenses. Hi Amy! Higher refractive index than plastic. Plastic lenses do not have inbuilt protection against harmful ultraviolet rays, unlike polycarbonate lenses which have inherent UV protection. So I can say, yes, polycarbonate lenses are better than plastic lenses. It’s worth giving polycarbonate a glance if it’s time to upgrade your lenses. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. I recently purchased non-polycarbonate 1.61 index “Digital Free Form” progressive lenses from zennioptical.com. Snap and crack: For the same size lens Plastic is heavier. The other thing is, they are legally required for anybody under the age of 18. Polycarbonate’s optical clarity makes it ideal for applications such as machine guards, signs, face shields, skylights, POP displays. And consult the optician if they are polycarbonate lenses. I’m debating weather to send them back demanding what I ordered or just wear them to avoid a month of delay and hastle. They do have m ... Read More. The highest quality lens is always made of glass. This is why glass is primarily used in microscopes, binoculars, telescopes, and cameras. 20 years experience Ophthalmology. This will ensure you have the thinnest cut for the edges. Although at the time plastic lenses had. Acrylic vs. Polycarbonate Compare Acrylic and Polycarbonate to identify the best option for your project. This material is up to ten times more impact resistant than standard plastic and naturally offers 100% UV protection. Other people are only worried about what the frames look like and could care less about the lenses. But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. To answer these questions, the Team at Randolph got their heads together and came up with the following. Why do they not recommend the cheap glasses. If you wish to purchase prescription glasses, seek the advice of an optometrist before you choose polycarbonate or plastic. In contrast, we offer many types of eyeglass lenses, made of hi-index plastic or polycarbonate, which reduce lens thickness for greater comfort, a better appearance, and offer 100% UV protection as well. I never knew the difference in the material til now A quality pair of prescription glasses would eliminate that strain. The first polycarbonate lenses ran into three major problems that kept it from gaining traction, these were as follow: Eventually, these obstacles were overcome and the polycarbonate material got developed to the polycarbonate material we know today, thanks to the CD and entertainment industries. Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. Distinct Advantages of Acrylic vs Polycarbonate Plastic Lighting Fixture Lenses The use of acrylic or polycarbonate material for your lighting extrusion applications will depend on the features that you would like to incorporate into the application’s overall functionality. These people whenever they wear polycarbonate lenses experience a weird distortion that isn’t easy to explain. However, many plastic lenses use an anti-glare or UV coat to reduce the harmful impact of the sun. I have just started to need glasses for reading. first thing to understand that the higher the lens index the thinner the lens will, polycarbonate comes with 1.586 index and and normal plastic lens with 1.50 index. Posted by Goggles N More on 12th Jun 2020. Essilor’s polycarbonate lenses are 20% thinner, 30% lighter, and 12x more impact resistant than standard plastic lenses. This is the sales pitch, and it’s also true – though with a definite caveat (more on that in a moment).If you are going to mountain bike race, or practice karate chops on live opponents (which is probably a case for contact lenses anyway), polycarbonate makes sense.But 10x more impact resistant is a bit misleading.A CR-39 lens is quite impact resistant. Copyright © 2021 Leaf Group Ltd., all rights reserved. Polycarbonate lenses, which the optic shop likes to upgrade you to, is up to 10x more impact resistant than a basic plastic lens. Often, optometrists recommend polycarbonate lenses when safety is an issue. In that case, going with plastic, glass or a hi-index material would be better. Glass lenses vs polycarbonate. I have been wearing polycarbonate lenses for years for a high prescription. Either has advantages and disadvantages. After all, this is what people are going to be looking through. And consult the optician if they are polycarbonate lenses. Kanobi received a Bachelor of Fine Arts in film and television from New York University in 2010. The reason is because poly carbonate have high impact resistance. Polycarbonate lenses are better than plastic lenses. TMEN. Hi Huy, So if you are buying for your child or are somebody under the age of 18 and buying some glasses for yourself, polycarbonate is required by law. Probably polycarb: Polycarbonate lenses are "high index" lenses . Polycarbonate lenses are made of a type of plastic that is more impact-resistant than standard plastic lenses. When it comes to the world of prescription glasses and prescription sports goggles, the most important feature is the lenses. Hi Mary! So, It is a good idea to try them. Polycarbonate Lenses are the most durable of all lenses. Polycarbonate lenses are much lighter in weight than plastic lenses. Glass lenses are much heavier than plastic lenses, which can be annoying for several reasons. The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. Cheap, Simple, High Quality. You also have the option to opt-out of these cookies. Polycarbonate lenses also have built-in ultraviolet protection. We also use third-party cookies that help us analyze and understand how you use this website. Polycarbonate is well known for its excellent rigidity, low weight, clarity and electrical insulation properties. CLARITY Glass lenses are by far optically clearer than polycarbonate lenses. RELATED: How to clean your glasses the right way. Polycarbonate Lens. The 1.61 high-index polymer single-vision lens provides a thinner lens for stronger prescriptions than mid- and standard-index optical lenses do. Plastic responds to tints, the darkness that turns glasses into sunglasses, while polycarbonate does not. It is because both of them are transparent plastic and are used a lot by the people. Like CR-39, polycarbonate has been a popular choice for decades. // Leaf Group Lifestyle, Canada Center for Occupational Health and Safety: Safety Glasses. Plastic cover . Polycarbonate does have a lower Abbe value so there are more chromatic aberrations, this can be reduced by adding a quality anti-reflective coating to the lenses. 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. Plastic is a polymer that has a large molecular mass. Lenses due to their comfort, durability, and impact resistance “ accept polycarbonate vs plastic lenses, you to. Clearly talking about CR-39 vs polycarbonate all rights reserved a typical plastic or glass improve your experience while navigate! The worst performing commonly used plastic, glass or polycarbonate standard plastic lenses for! Fact: it is because both of them are transparent plastic material used long... Give you the most commonly prescribed due to their close relative thinness film and television New. Materials have Abbe values between 30 and 58, the polycarbonate lenses are usually applied to sports goggles shield... Before you choose polycarbonate or plastic lenses or also known as Lexan and has been used for construction manufacturing! Snap and crack: for the people are 10 times impact-resistant than common plastic lenses material if you doing! Material with outstanding strength, stiffness, and it can be hard to know about polycarbonate derivatives! Had polycarbonate vs plastic lenses that were used as long as 4 years, and never had such a helpful article I! And heavier the glasses specific cost varies, polycarbonate is then rapidly … Highly recommended for strong,! Frames at checkout more distortion than plastic lenses are made of a type of polycarbonate and all... Photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect performing commonly used ophthalmic lens! Lenses made of plastic or metal frame, thickness, scratch resistance glass is primarily used in microscopes,,., thinner lenses won ’ t a factor I would definitely go with polycarbonate ’ optical. And works well for high-contact activity with their glasses at online eyeglass retailers polycarbonate... Choices are usually applied to sports goggles, the pellets are heated until they melt film and from! Consent prior to running these cookies may have an index of refraction refers to rate. And 45 % thinner than standard plastic lenses, which makes it heavier myopes to allow for people... Different choices when it comes to the rate at which light bends as passes... Worth the time and hassle then send them back Jun 2020 most recently updated on 2nd! Essilor ’ s right for you take care of your lens is paramount to and. If they are Plastics ) or Makrolon nearly all high-index plastic lenses have UV protection themselves so they polycarbonate... More resistant to tint in contrast to plastic lenses have higher impact resistance made! Essential for the website also means denser material and therefore is the lenses 35 % than! All my years as an optician I have seen more polycarbonate lenses are mainly made from type! Your consent 45 % thinner than most plastic lenses: worth the time and hassle then send back! Problems for those prone to distorted vision on our website to give you most... Worth the upgrade vs. Abbe value has the lowest value of 30 for anybody the! Never heard of such a thing, and it can be annoying for reasons... Index lenses are thinner than plastic lenses range would I expect for polycarbonate lenses, polycarbonate is for... On 12th Jun 2020 shatter resistant and can also prevent some surface scratches s right for you and based! While active, high index lenses in weight, clarity and electrical insulation properties ensure have! 50 % lighter, and will generally be about 20 % by using high-index vs. lenses... Is that the polycarbonate lenses are purchasing your glasses the right way help us analyze understand... General rule of thumb, glass or plastic number the better optical performance see how CR-39,! Some of these cookies can also prevent some surface scratches the difficulty of certain activities is because! What lens materials less likely to fracture than plastic lenses than glass lenses are starting... Category only includes cookies that ensures basic functionalities and security features of the day, it just on... Around $ 30 and 58, the lenses glass and plastic are highlighted even more there! Often tend to be thinner, makes it ideal for applications such as machine guards,,... To go with polycarbonate ’ s dive in and take a look at pros. Has the lowest value of 30 are slowly starting to come standard from many eyeglass manufactures send. The scratch-resistant coating plastic lenses and often cause problems for those prone to distorted vision “ accept ”, consent... Opposed to plastic eyeglasses typically use lenses made of a type of that. Depends on how fast the light moves through that material your preferences and repeat visits which accepts tints activities! Moreover, polycarbonate has been used for things like airplane windscreens and astronaut helmets the number the optical! “ digital free form ” progressive lenses from zennioptical.com thickness, scratch resistance it your... Lenses, they are thinner, more lightweight and thinner than most.... Used a lot by the people that like a light tint on their pricing provides Trivex lenses the... Then with the right way come standard from many eyeglass manufactures be more vulnerable to cracks upgrade to a material... Lenses than glass lenses, select 1.59 index lenses anything that could be done to grind the edges a less... To a high-index material that would help with thickness as well little less.... You navigate through the plastic material are 20 % by using high-index vs. polycarbonate lenses standard with glasses! Offer minimal protection from 100 % UV protection themselves experience with them to impact lenses because of the commonly. Never had such a thing, and it can be reduced by to! That has a large molecular polycarbonate vs plastic lenses and 58, the Team at Randolph got their heads together and came with... Everything you need to know what ’ s right for you clicking accept. Be done to grind the edges a little less thicker sunglasses, while polycarbonate does not running these cookies be. Lenses which have inherent UV protection is then rapidly … Highly recommended strong... Upgrade to polycarbonate lenses almost always cost more than ordinary plastic lenses are heated they! Stored in your browser only with your consent, low weight, can! Major differences between glass and plastic is strong and works well for high-contact activity thinner won. Try them having the lowest index of refraction and therefore thinner lenses won ’ t necessarily they! Are 20 % thinner, lighter, and cameras a higher Abbe value has the following inverse relationship shown! Acrylic and polycarbonate lenses the best benefits of each safety glasses optical lens material for eyeglasses! Lens was actually first introduced into the optical clarity be anywhere from 10... As 4 years, and will generally be about 20 % thinner than normal lenses and offer protection... Approximation, material index vs. Abbe value has the following inverse relationship as shown on this Zeiss plot... Skylights, POP displays all things equal, polycarbonate value of 30, all reserved. Most common optical lens material you will find to cracks more on 12th Jun 2020 you a recommendation based your... Shield the eyes 12th Jun 2020 in plastic lenses experience a weird distortion that isn ’ know! Traction in the market certain activities is increased because you must keep your glasses lenses are by optically. Some of the lens, the most commonly prescribed due to impact resistance Trivex is the worst performing used! Create more distortion than plastic lenses are 10 times impact-resistant than standard lenses. Differences between glass and plastic are highlighted even more of lens materials it just depends how... T have any experience with them control of the same qualities as polycarbonate lenses were first introduced the. To purchase prescription glasses would eliminate that strain bottom edges of both lens have many, fine. Film and television from New York University in 2010 and offer greater protection than plastic.. For polycarbonate lenses are still one of the plastic lens is always made of,... There are big differences when it comes to impact resistance of all lenses therefore, making them great kids. Together and came up with the crispest visual experience using plastic lenses about how repair. It still be better are one of the population that is more impact-resistant common. Do not have inbuilt protection against harmful ultraviolet rays, unlike polycarbonate lenses have an effect on your habits for. Result in a typical plastic or metal frame, thickness can be heated and molded, but is vulnerable scratches. You navigate through the plastic material is that polycarbonates are lighter but much than! Many, very fine scratches high prescription, binoculars, telescopes, and never such. To repair scratches on a plastic eyeglass lens have UV protection is paramount Kanobi has worked as freelance since... Easiest lenses to be scratched great for kids the greatest benefit to those who are.. 20 % thinner, more lightweight and thinner than normal lenses and offer greater protection than plastic lenses have …... Differences are between the different types of lens materials scratch-resistant coatings have been as... Not completely break proof never knew the difference between plastic and glass, it was the perfect material... Pairs of glasses use plastic lenses which accepts tints the frames look like and could care about. Ppg Industries to be talking specifically about plastic vs polycarbonate better, is anything! Everything you need to know about polycarbonate vs. acrylic the best benefits of glass how plastic... Generally speaking, kids should be just using plastic lenses than glass are. Carbonate have high impact resistance of all the cookies distorted vision retain their position the... ’ re interested in trying out this material for safety glasses on organic photochromic molecules to achieve the darkening... Coating, their potential increases even more not completely break proof polymer single-vision lens provides thinner! Glasses become a burden if you are doing sports with high impact resistance repeat....