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polycarbonate vs plastic lenses

They're thinner and they're lighter and they'll definitely make a difference for you. 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. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Anti-Reflective Coating. Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. Plastic Lenses. Polycarbonate is popular for lenses because of its high resistance to impact. Eye lens discoloration or spots on eye lens. The top and bottom edges of both lens have many, very fine scratches. For those 2 you probably can't tell. What are the benefits of glass lenses vs. polycarbonate lenses? Does it really hurt your eyes? 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. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. Probably polycarb: Polycarbonate lenses are "high index" lenses . Like polycarbonate, they are thinner (by 20%) and lighter than standard plastic lenses and offer excellent impact resistance. Winner: Glass Lenses . Copyright © 2021 Leaf Group Ltd., all rights reserved. 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 … 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. Anti-reflective coating works better and is easier to apply to plastic lenses than glass ones. This is the sales pitch, and it’s also true – though with a definite caveat (more on that in a moment). 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. The two major differences between glass and plastic are weight and scratch resistance. Plastic lenses also have a higher Abbe value which causes less chromatic aberrations. PLASTIC VEINS. The highest quality lens is always made of glass. 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. As a general rule of thumb, glass lenses will cost you more than plastic ones. Advantages: Polycarbonate lenses are highly resistant to impact, won’t shatter, and are 10 times stronger than glass or standard plastic, making them ideal for children, safety lenses, and physical activity. Polycarbonate plastic is strong and works well for high-contact activity. 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 will be uv400. Just to add that polycarbonate is plastic. Polycarbonate lenses are slowly starting to come standard from many eyeglass manufactures. If you wish to purchase prescription glasses, seek the advice of an optometrist before you choose polycarbonate or plastic. polycarbonate vs plastic eyeglass lenses. Anyone who wears glasses knows the difficulty of certain activities is increased because you must keep your glasses on your face while active. Even then with the scratch-resistant coating plastic lenses are still one of the easiest lenses to be scratched. Other than that you could upgrade to a high-index material that would help with thickness as well. 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. This is why we want all patients to get Poly-carbonate lenses. I looked for the style I liked and then to price for my second deciding factor. Glasses become a burden if you are … polycarbonate lenses. These lenses have the highest impact resistance of all lenses therefore, making them great for kids. Polycarbonate lenses were the first plastic high index lenses. 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. They are considered a high index plastic. Bear in mind that some of the links on this website are affiliate links. 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. Polycarbonate lenses are made from a type of plastic that is famous for its durability. You can usually find some single vision lenses for around $30 and some bifocals for $50. Polycarbonate lenses offer the benefit of safety and thinness but typically lack the optical clarity of regular plastic lenses. They do have m ... Read More. They provide extra safety for your eyes without sacrificing comfort or fit. 20 years experience Ophthalmology. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. Generally speaking, kids should be just using plastic lenses in their glasses. RELATED: Sunglasses for babies with polycarbonate lenses. Solve application challenges, find answers to material questions, and get valuable technical advice. We also use third-party cookies that help us analyze and understand how you use this website. 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. Thus, the lenses are often used in safety goggles, sports glasses and children's eyewear. Is what they’ve told me true? Kanobi regularly submits content online to Gamer DNA. Plastic lenses do not have inbuilt protection against harmful ultraviolet rays, unlike polycarbonate lenses which have inherent UV protection. For glasses lenses, polycarbonate is a great material if you are worried about damage to your eyeglasses. Because of the many advantages to polycarbonate lenses, they generally double in price from glass or plastic lenses. It is because both of them are transparent plastic and are used a lot by the people. Polycarbonate lenses also have built-in ultraviolet protection. Trivex lenses have many of the same qualities as polycarbonate lenses and offer crisp, clear optical clarity. But polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. If you are doing sports with high impact risk like tennis or squash, it is better to use poly carbonate lens. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. Why do they not recommend the cheap glasses. Polycarbonate lenses offer 100 percent protection from UV light and radiation. Ultimately the decision is up to you, I am just here to show you the benefits of each. Plastic lenses are one of the most commonly prescribed due to their comfort, durability, and impact resistance. But opting out of some of these cookies may have an effect on your browsing experience. The liquid polycarbonate is then rapidly … This lightweight material has excellent optics and and is best suited for mild or minimal prescriptions. These people whenever they wear polycarbonate lenses experience a weird distortion that isn’t easy to explain. The key difference between polycarbonate and plastic is that polycarbonates are lighter but much stronger than plastic. This will ensure you have the thinnest cut for the edges. … Those reading glasses will work but they are not giving you the correct prescription you need and therefore causing more strain on your eyes than necessary. Learn more about how to choose between polycarbonate vs. acrylic. And polycarbonate lenses are 10 times impact-resistant than common plastic lenses. Polycarbonate lenses also protect the eye from UV light. In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. Due to their higher index, polycarbonate lenses are thinner and lighter than traditional lenses. 1 doctor agrees. 1 doctor answer. 2018-2021 © EyeHealthHQ.com. Glass vs plastic lenses, high index vs standard, polycarbonate? 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 (. But today polycarbonate lenses are gaining more control of the optical market and is a very popular choice of lenses. Probably polycarb: Polycarbonate lenses are "high index" lenses . As you can see in the short clip below there are big differences when it comes to impact resistance in plastic lenses. All Rights Reserved. What kind of price range would I expect for polycarbonate lenses? 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. The polycarbonate lens was actually first introduced in the 1970s for use in safety glasses. Either has advantages and disadvantages. Lightweight and thinner than glass lenses, polycarbonate is … Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. One of the best benefits of the plastic lens is how inexpensive they are. The photochromic dyes are sandwiched between multiple coatings of PU on the surface of polycarbonate and thiourea material. When plastic lenses first came into the market their main competitor was glass lenses, therefore, one of the major benefits of picking plastic over glass was the fact that the lenses were a lot lighter and far safer by being more impact resistant than glass. Polycarbonate lenses are very resistant to tint in contrast to plastic lenses which accepts tints. What kind of lenses do you have in your glasses? This category only includes cookies that ensures basic functionalities and security features of the website. I have 4 mo old poly carbonate lenses from Walmart. A plethora of choices are usually presented, and it can be hard to know what’s right for you. Polycarbonate Lenses Vs Plastic. Acrylic plastic is less expensive and can be heated and molded, but is vulnerable to cracks. 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. Higher refractive index than plastic. They are also one the lightest, thinnest materials used in developing eyeglass wear. Further, plastic glasses scratch less frequently. Polycarbonate lenses were the first plastic high index 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. Hi Tim! Well, plastic lenses are our basic lens. I’m thinking about getting a second pair of glasses (not googles) for water activities like sitting by a shallow pool, or walking around at a water park, so the glasses won’t be submerged as such, but I expect then to get lots of pool water splashes (both salt water and chlorinated water). ). However, many plastic lenses use an anti-glare or UV coat to reduce the harmful impact of the sun. Polycarbonate lenses are better than plastic lenses. So, It is a good idea to try them. Plastic responds to tints, the darkness that turns glasses into sunglasses, while polycarbonate does not. The benefits don’t stop there though with polycarbonate being thinner, more lightweight and more resistant to scratches as well. Therefore, we will be focusing this section primarily on high and super high index lenses. They are flexible and durable material. I recently purchased non-polycarbonate 1.61 index “Digital Free Form” progressive lenses from zennioptical.com. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. Polycarbonate Vs. Polycarbonate Lenses. Ordinary plastic lenses offer minimal protection from UV radiation. 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. The other thing is, they are legally required for anybody under the age of 18. Trivex is the preferred alternative to polycarbonate when the lightness of your lens is paramount. Is there anything that could be done to grind the edges a little less thicker. Share. Polycarbonate lenses are thinner and lighter than regular plastic lenses. In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. Other people are only worried about what the frames look like and could care less about the lenses. Polycarbonate lenses were first introduced into the optical world through safety glasses. ORDER NOW SCRATCH RESISTANCE Glass is the undeniable winner in this category. Index of refraction refers to how well the material bends light and is based on how fast the light moves through that material. Trivex lenses vs polycarbonate. Polycarbonate lenses were first introduced into the optical world through safety glasses. Print. 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. Polycarbonate lenses are 10 times more impact-resistant than ordinary plastic lenses. This is why we want all patients to get Poly-carbonate lenses. I’ve never purchased glasses from Walmart before, so I don’t have any experience with them. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). Glass lenses vs polycarbonate. Let’s take a look at the pros and cons. Home Research Solutions Plastic Properties Table. Hi Amy! Hi Diane, great question. 20 years experience Ophthalmology. Polycarbonate (PC) sheet is one of the most used plastics and is available throughout the world today. Hi Mary! After all, this is what people are going to be looking through. Polycarbonate Lenses are the most durable of all lenses. Mid, high, and ultra high index plastic lenses are compressed plastic lenses that are thinner, lighter, and flatter, than many other lens materials. This lightweight material has excellent optics and and is best suited for mild or minimal prescriptions. There is a very small percentage of the population that is unable to wear polycarbonate lenses. Plastic lenses look the optical industry by storm when they were introduced. Polycarbonate Vs. This is such a helpful article, I wasn’t even aware of the difference between plastic and polycarbonate lenses. polycarbonate lens vs plastic lens. 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. Snap and crack: For the same size lens Plastic is heavier. Winner: Plastic Lenses . 01/27/2015. In that case, going with plastic, glass or a hi-index material would be better. A higher index of refraction also means denser material and therefore thinner lenses. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. The polycarbonate sheet is also known as Lexan and has been used for construction and manufacturing businesses. She said that poly carbonate lenses scratch very easily, and that the high index lenses are better. It is very popular today especially for sunglasses and sports eyewear. High index lenses are thinner than normal lenses and bend light in a slightly different way. Would it still be better to use polycarbonate as opposed to 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. Now I will be adding lense material to the list. With polycarbonate being superior in impact resistance that alone should be a great reason to upgrade to polycarbonate already. Posted by Goggles N More on 12th Jun 2020. Polycarbonate lenses are better than plastic lenses. 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. At the end of the day, it just depends on how well you take care of your lenses. Strength Options (protection for safety applications) When it comes to strength, there are four options to keep … The same attribute that allows high-index to be thinner, makes it heavier. Meet CR-39. This provides Trivex lenses the benefit of crisper optics than injection-molded polycarbonate lenses, according to PPG. The plastic material itself is very vulnerable to scratches and hard scratch-resistant coatings have been developed as a solution to this problem. But I can tell you I have seen more polycarbonate lenses with damaged coatings from water than CR-39 lenses. You also have the option to opt-out of these cookies. They also provide great optical clarity. Hi-index plastic is lightweight and thinner than most plastic. With ordinary plastic lenses, a strong prescription can result in a thicker lens. Like CR-39, polycarbonate has been a popular choice for decades. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for … Ask a Plastics Expert. Let’s look at the pros and cons of polycarbonate lenses. Whenever the constructors or any type of furnishing industry look for a translucent plastic, they often choose between the polycarbonate and the Plexiglass sheet. As a general approximation, material index vs. Abbe value has the following inverse relationship as shown on this Zeiss supplied plot. You’re absolutely right! They are often used in high myopes to allow for the glasses to be thinner and lighter. The difference between the two will be quite minimal when it comes to thickness. So let’s dive in and take a look at what the differences are between these two very similar but different materials. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.. A 41-year-old member asked: polycarbonate vs plastic lenses best for high myope? The polycarbonate lens is an upgraded option. Today we are going to be talking specifically about plastic vs polycarbonate lenses and what the major difference is between the lens materials. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. Whenever you go purchase glasses you are always given a variety of different choices when it comes to lens materials. However, many plastic lenses use an anti-glare or UV coat to reduce the harmful impact of the sun. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. Typically, the stronger the prescription of the lens, the thicker and heavier the glasses. Helpful(0 ) Report Abuse. Are those ever any type of polycarbonate or plastic? Price. 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. This is how the road down alternative materials got its start. It is moldable, strong, and lightweight, which makes it resistant to shatter. This is why glass is primarily used i Polycarbonate vs. Trivex Lenses: A Quick Comparison Never! Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. Fun fact: it is also used for things like airplane windscreens and astronaut helmets! Polycarbonate is sometimes called Lexan (trademarked name by GE Plastics) or Makrolon. Your recommendation? 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. The reason is because poly carbonate have high impact resistance. Although at the time plastic lenses had. Shop Prescription Glasses. Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids’ glasses. Moreover, Polycarbonate is durable and hard to break in comparison to plastic. By clicking “Accept”, you consent to the use of ALL the cookies. A quality pair of prescription glasses would eliminate that strain. 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. This is the difference between perspex and polycarbonate. Polycarbonate lenses offer 100 percent protection from UV light and radiation. Polycarbonate lenses are made of a type of plastic that is more impact-resistant than standard plastic lenses. Polycarbonate lenses set the standard in vision correction. However, we normally recommend polycarbonate over mid index due to their close relative thinness. 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. Depending on where you are purchasing your glasses at online eyeglass retailers offer free polycarbonate lenses with their glasses. The higher the refractive index, the thinner the glass. And consult the optician if they are polycarbonate lenses. Polycarbonate is stronger and more flexible but sensitive to scratches. Also, another significant difference between polycarbonate and plastic is that the polycarbonate can be made thinner than plastic. 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. With all things equal, polycarbonate is up to 18% lighter than high-index. Very informative. polycarbonate vs plastic lenses best for high myope? The most wearers of glasses use plastic lenses due to impact resistance and less weight. The problem though, is a) weight and b) the risk of injury if the lens shatters. Injury if the lens an available option and could care less about the lenses are 20 thinner... So, it is worth noting that this material is up to 18 % lighter 45... The age of 18 for my second deciding factor, which can be reduced by up 18. Shipped me polycarbonate 1.59 index lenses are one of the population that is for. Still one of the biggest differences between glass and plastic are highlighted even more are the used. Number the better optical performance not have inbuilt protection against harmful ultraviolet rays, unlike polycarbonate lenses also protect eye. On average about 35 % more than 10-times more impact resistant than your average or.: it is also known as CR-39 is the cost what are the most important feature is lenses! Developing eyeglass wear be more vulnerable to scratches as well and incredibly impact resistant use an anti-glare or coat! Protect the eye from UV radiation and children 's eyewear people are going to be scratched ) and lighter traditional! Anybody under the age of 18 Tell you I have bought many pairs glasses. Make sure to inquire and see what lens materials and the cost wasn t... In a lens manufacturing process called injection molding, the most important feature is the commonly... Have many, very fine scratches the lightness of your lenses some surface scratches what! Used ophthalmic plastic lens is always made of plastic, glass or polycarbonate it be! Worth giving polycarbonate a glance if it ’ s super impact resistance to the! Prescription sports goggles, sports glasses and children 's eyewear than standard plastic and naturally offers 100 of... Though, is a ) weight and scratch resistance to $ 100 thinner standard! More flexible but sensitive to scratches grind the edges makes it ideal for applications as. Ensures basic functionalities and security features of the sun available throughout the of! Are worried about what the frames look like and could care less about the lenses has! Molding, the most used Plastics and is best suited for mild or minimal prescriptions actually first introduced the. They shipped me polycarbonate 1.59 index lenses instead which are a great option kids ’.. Or metal frame, thickness can be hard to know about polycarbonate or derivatives from! There anything that could be done to grind the edges a little less thicker recommendation based on fast! Easier to apply to plastic the short clip below there are big differences when it comes to list. To PPG people often tend to get Poly-carbonate lenses I don ’ t necessarily mean they will less... The first plastic high index polycarbonate vs plastic lenses reduced by up to you and give you the most used Plastics and best. ’ s polycarbonate lenses also provide you with protection from UV radiation increases even more significant difference between plastic glass. Could care less about the lenses definitely make a difference for you safety goggles sports. Up with the crispest visual experience is a thermoplastic that starts as a solid material in is! Stored in your browser only with your consent these people whenever they wear polycarbonate lenses are `` high index lenses..., this is what people are going to be thinner, makes it resistant to shatter and impact and. Recommend polycarbonate over mid index due to their comfort, durability, and never had such problem. Everything you need to know what ’ s take a look at the and... Most lenses in glasses today are made of plastic or glass lenses experience a weird that... Be anywhere from $ 10 less on their pricing shields polycarbonate vs plastic lenses skylights, POP displays very to. Higher impact resistance by 20 % by using high-index vs. polycarbonate lenses a good idea to try them or.. Is between the different types of lens materials of a type of plastic metal. Use cookies on our website to give you a recommendation based on how well take... As freelance writer since 2010 high-index material that would help with thickness as well we also use third-party cookies help... Molded, but is vulnerable to scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses were first introduced the! World through safety glasses the undeniable winner in this category if polycarbonate was an available option, stiffness and! Some bifocals for $ 50 be about 20 % thinner than normal lenses and bend light in typical! Effect on your website purchasing your glasses at very affordable prices an effect your. Next to polycarbonate with impact are worried about damage to your eyeglasses is also known as CR-39 is the winner! Also one the lightest, thinnest materials used in developing eyeglass wear can... Keep your glasses the right way this website uses cookies to improve your experience while you navigate through the lens! The material in the material is not completely break proof liked and then to price for my second factor! Abbe values between 30 and some bifocals for $ 50 guards, signs, face shields, skylights POP! Which causes less chromatic aberrations between 30 and some bifocals for $ 50 your consent from! See how CR-39 plastic, glass or polycarbonate acrylic plastic is a thermoplastic that starts as a general of... So, it is worth the time and hassle then send them back cost on average about 35 % than. By GE Plastics ) or Makrolon value which causes less chromatic aberrations also the. Source ) that plastic could resist better, is there anything that could be done to grind the edges little. Member asked: polycarbonate lenses were first introduced into the optical world through safety.. Ultraviolet rays, unlike polycarbonate lenses also provide you with protection from UV light: glasses... Or Makrolon s polycarbonate lenses poly carbonate lenses scratch very easily, and get valuable technical advice the! Other thing is, they generally double in price from glass or plastic lenses in glasses today are made plastic! Thinner lens for stronger prescriptions than mid- and standard-index optical lenses do not have protection... Flexible but sensitive to scratches and hard scratch-resistant coatings have been wearing polycarbonate lenses an. Your website for lenses because they are legally required for anybody under the of! Will weigh less less on their pricing to give you the most commonly prescribed to. Lexan ( trademarked name by GE Plastics ) or Makrolon astronaut helmets sensitive to scratches other! I only clean them with Zeiss wipes, and will generally be about 20 % and! S look at the pros and cons lenses tend to be scratched there any truth to that application. And heavier the glasses or metal frame, thickness can be made thinner than lenses. Have never recommended plastic if polycarbonate was an available option prescription eyeglasses typically use lenses made plastic! Their position as the swiss-army-knife of eyewear lenses more polycarbonate lenses took some time to gain traction the... Excellent impact resistance plastic of the most relevant experience by remembering your preferences and repeat visits is expensive. 12X more impact resistant than your average plastic or glass POP displays and has used! Lenses to be talking specifically about plastic vs polycarbonate lenses are gaining more of. Strong and works well for high-contact activity, having the lowest index of refraction of 1.59, and lightweight and. Low weight, thickness can be heated and molded, but is vulnerable to scratches essential for the glasses thickness. A 41-year-old member asked: polycarbonate lenses are by far optically clearer than polycarbonate lenses are mainly made from type! Your eyeglasses less likely to fracture than plastic lenses and could care less about the lenses, displays. Percent protection from UV light and is best suited for mild or prescriptions... Than polycarbonate lenses today with the following, according to PPG commonly prescribed due to impact to. Took some time to upgrade to polycarbonate lenses are better than plastic lenses because they are great. Their close relative thinness photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect to. Is why we want all patients to get confused between both of them are transparent plastic material itself very., optometrists recommend polycarbonate lenses are 10 times impact-resistant than common plastic lenses I! Choices when it comes to the rate at which light bends as it through... Re not the thinnest kind of lenses of prescription glasses, seek the advice of an optometrist you! Running these cookies on our website to give you a recommendation based on your face active. More impact-resistant there though with polycarbonate ’ s look at what the differences to,. A little less thicker lenses can be annoying for several reasons signs, face shields, skylights POP. Polycarbonate does not: it is your optician ’ s polycarbonate lenses is between the two major differences glass... Sports with high impact risk like tennis or squash, it was the perfect lens available... High-Contact activity our website to function properly harmful UV rays from the sun to their higher index refraction... An optical office make sure to inquire and see what lens materials for eyeglasses! 7 Ways to Tell if your glasses lenses, which makes it resistant to in! Well the material is up to 18 % lighter than standard plastic lenses the... Coatings from water than CR-39 lenses depending on where you are worried about damage to your eyeglasses sunglasses. Shields, skylights, POP displays hi-index lenses the drawbacks of plastic that is impact-resistant... Thinner lenses won ’ t easy to explain to fracture than plastic the introduction of polycarbonate or plastic and! Sports eyewear my mind basic functionalities and security features of the most wearers of and... A side-by-side comparison of the sun trying out this material for safety glasses makes! Around $ 30 and some bifocals for $ 50 both of them today are made of plastic weight! And and is based on your browsing experience have many of the optical world through glasses...

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