Eye lens discoloration or spots on eye lens. Polycarbonate Vs. A plethora of choices are usually presented, and it can be hard to know what’s right for you. Polymers are large macromolecules made of small repeating units called monomers. Not only that, but look at the difference in thickness you are going to get. There are a lot of great eyeglass lenses in the market, but before you buy a pair, it is imperative to consider both their pros and cons. Polycarbonate lenses are much lighter in weight than plastic lenses. 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. If $29.95 is more than you would want to spend on an impact-resistant single-vision lens, the 1.59 pure polycarbonate lens, for $9.00, may be preferable. Polycarbonate may not be the wrong choice, but your lenses will be thicker. Well, plastic lenses are our basic lens. If you are shopping for a new eyeglass be sure to find out the lens materials available. The monomers of plastic depend on the type of plastic; there are two … 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. Transcript:  Hi, this is Dr. Alex from My Vision Box and I want to welcome you to our weekly educational video. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. After all, this is what people are going to be looking through. It is not necessarily a one size fits all solution when it comes down to eyeglass lens material. Polycarbonate Lenses . 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. Impact-resistant Lenses. Probably polycarb: Polycarbonate lenses are "high index" lenses . Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. It covers the same prescription range as the 1.57 polycarbonate composite and 1.53 Trivex lenses, -4.00/+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. You must know that the polycarbonate lens has slightly different refraction properties than plastic or glass lenses, this due the material properties, so, sometimes you can feel this differences as . Thinner and lighter than plastic, polycarbonate (impact-resistant) lenses are shatter-proof and provide 100% UV protection, making them the optimal choice for kids and active adults. Which is better- plastic or polycarbonate lenses? The monomers of polycarbonates are bisphenol A and phosgene. That is why recommend those for anybody over a power of 1.50, where you are really going to notice that difference. Lightweight and thinner than glass lenses, polycarbonate is … So really consider doing the upgrade for the polycarbonate lenses. Our expert team have vast years of working experience in the optical industry and can help guide you through the decision making process. Dr. Michael Rizen answered. And if you actually compare the two you can actually see that the plastic on the right compared to the polycarbonate on my left is about 25-30% thicker with the same exact prescription. Anytime you are in the market for a new pair of eyeglasses, you are going to be provided with different options regarding the lens material. Since the introduction and use of Plastic lenses (also known as CR-39), it has sealed its mark as the most preferred choice in the optical industry. March 13, 2018, Weekly Educational Vlog- Review of Biofinity Toric Contact Lenses Our job is to highlight the various benefits, drawbacks, and differences between both lenses. We are happy to announce that we have totally re-vamped our site to make it more accessible for our customers. We are going to be comparing Plastic to Polycarbonate. In fact, polycarbonate lenses are usually applied to sports goggles to shield the eyes. However, thinner lenses won’t necessarily mean they will weigh less. The unique property of polycarbonate lenses meant that surfacing was going to be an issue. And consult the optician if they are polycarbonate lenses. We have a better way of tracking your order, keeping... USE IT OR LOSE IT! Luckily, glasses wearers have options – Glass, Plastic CR-39, Polycarbonate, High-index 1.67, and High-index 1.74. Trivex lenses vs polycarbonate. Hottest Spring & Summer 2020 Sunglasses Trends. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). Well, plastic lenses are our basic lens. They are considered a high index plastic. It is a little bit more pricey for the polycarbonate, but is worth every penny because you are getting a much better lens. In this case, choosing a plastic eyeglass lens or high index lens would be much better. You will find blogs out there strongly claiming and confirming plastic as the better option due to its affordability and high optical quality. CONTACT US TO TAKE ADVANTAGE OF YOUR BENEFITS BEFORE THEY'RE GONE! Plastic Vs Polycarbonate Lenses- Which One Is Better? Posted by Goggles N More on 12th Jun 2020. The CR-39 is an acronym for “Columbia Resin 39” and the digit indicates that it is the 39th formula that produced the resulting plastic material. polycarbonate lens vs plastic lens. Glass vs plastic lenses, high index vs standard, polycarbonate? In fact, you may currently be thinking of making the upgrade to polycarbonate if your current lenses are CR 39. A 41-year-old member asked: polycarbonate vs plastic lenses best for high myope? Eventually, effective solutions to these obstacles were put forward in addition to the refinement and enhancement of polycarbonate lenses into the high-quality material widely used today. Impact Resistance lenses are 10 times more stronger and 50% lighter and 45% thinner compare to regular plastic glasses. Trivex lenses, however, are composed of a urethane-based monomer and are made from a cast moulding process similar to how regular plastic lenses are made. Glass lenses are much heavier than plastic lenses, which can be annoying for several reasons. Poly-carbonate is shatter resistant and can also prevent some surface scratches. Polycarbonate vs. Trivex lenses: A quick comparison 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. February 11, 2018, Plastic vs. Polycarbonate Eyeglass Lenses Polycarbonate vs plastic eyeglass lenses. Eventually, the final decision is up to you. They are more than 10-times more impact resistant than your average plastic or glass lens. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. A light, impact-resistant material that is 25% thinner and 30% lighter than standard plastic (CR39) lenses, and 10 times more impact resistant than standard plastic lenses. Polycarbonate lenses are 10 times more impact-resistant than ordinary plastic lenses. Shatter proof, thinner, lighter material and just feels better on your face because you have less weight there. Shop Prescription Glasses. This is mainly because of its lighter weight, impact-resistant, thinner and more scratch-resistant properties. How to repair scratches on a plastic eyeglass lens. 95 They also have an impact on your vision, comfort, and appearance. They are often used in high myopes to allow for the glasses to be thinner and lighter. The Basic Lens - Polycarbonate. And polycarbonate lenses are 10 times impact-resistant than common plastic lenses. During the manufacturing process, commonly known as injection molding, those small solid pellets are heated until they completely melt. Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. We will not specifically recommend one over another if it will not be suitable for your visual needs. 20 years experience Ophthalmology. We are going to be comparing Plastic to Polycarbonate. Hello, today we are going to be talking about different lens materials. Lens materials affect thickness and weight. This new eyeglass lens material had a high index of refraction, making it to be the lightest and thinnest lens material available then. This is somebody who has a -5.00 prescription. Polycarbonate lenses are made of a type of plastic that is more impact-resistant than standard plastic lenses. They’re also ideal for strong prescriptions since they do not add thickness when correcting vision, minimizing any distortion. There are a lot of great eyeglass lenses in the market, but before you buy a pair, it is imperative to consider both their pros and cons. Our job is to highlight the various benefits, drawbacks, and differences between both lenses. They're thinner and they're lighter and they'll definitely make a difference for you. Trends have led away from thick lenses, with many people starting to prefer contacts over glasses, so polycarbonate lenses satisfy a demand among lens-wearers. Newer Post →, Weekly Educational Vlog- Review of Acuvue Oasys Contact Lenses Weekly Educational Vlog- Review of Acuvue Oasys Contact Lenses, Weekly Educational Vlog- Benefits of Anti-Glare Coating, Weekly Educational Vlog- Review of Clariti 1 Day, Weekly Educational Vlog- Review of Dailies Total One Lenses, Weekly Educational Vlog- Review of Biofinity Toric Contact Lenses, Plastic vs. Polycarbonate Eyeglass Lenses. Polycarbonate lenses include both 100% UV protection and anti-scratch coating. Essential Spring Break Sunglasses for Men and Women. Polycarbonate lenses are very resistant to tint in contrast to plastic lenses which accepts tints. Anytime you are in the market for a new pair of eyeglasses, you are going to be provided with different options regarding the lens material. The different types of lens material vary in their weight, flexibility, durability, thickness, scratch resistance, etc. Polycarbonate lenses are gradually taking over a significant portion of the optical market share once dominated by plastic 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. Plastic lenses are inexpensive and affordable than polycarbonate lenses which are more expensive. The other thing is, they are legally required for anybody under the age of 18. We look forward to hearing from you. Inherent Ultraviolet (UV) protection: Polycarbonate lens surfaces offer inbuilt ultraviolet protection. Here are some few differences between both lenses to determine which one is better: The decision between a plastic or polycarbonate lens should be made based on personal preference, cost, weight, durability, impact, and scratch resistance. Besides, the polycarbonate lenses have UV protection themselves. Industry-leading clarity and quality. The polycarbonate lens is an upgraded option. One of the major differences between plastic and glass is surface hardness. The Vision Council described polycarbonate lenses as “virtually unbreakable.” A study published in the Journal of the American Medical Association also found that polycarbonate lenses were more impact-resistant than glass or other types of plastic lenses. May 25, 2018, Weekly Educational Vlog- Benefits of Anti-Glare Coating February 02, 2018, Sign up for the latest news, offers and styles. So, It is a good idea to try them. Are resin or plastic fillings safe. Plastic Lenses. This is mainly because of its lighter weight, impact-resistant, thinner and more scratch-resistant properties. Best way to clean polycarbonate lenses. A lot of patients that go to our website, they see that we offer Plastic Lenses, Polycarbonate Lenses and Hi-Index Lenses. If you need any assistance in selecting the right lenses for your eyewear, please contact us now. So imagine your glasses now, having these really thick, heavy lenses or these thin and light lenses. Now that we have a brief overview of polycarbonate lenses let us consider some of its advantages and disadvantages. Thankfully, polycarbonate and nearly all high-index plastic lenses have 100 … March 29, 2018, Weekly Educational Vlog- Review of Dailies Total One Lenses Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids’ glasses. Winter Fishing Tips- Bait, Sunglasses and more.. Best Polarized Fishing Sunglasses by Ocean Waves Sunglasses. You have progressive lenses; which is more sensitive to refraction (multiple diopters in … They’re the go-to lens material for safety glasses, and extremely versatile when it comes to outfitting them with features such as Transitions, polarization, or other feature combinations. PLASTIC VEINS. Polycarbonate lenses rose to critical acclaim due to its durable, and additional properties. Eventually, the final decision is up to you. Advantages and Disadvantages of Polycarbonate Lenses. If you have any questions, send us a message here. 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. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. vision distortions. The two major differences between glass and plastic are weight and scratch resistance. A significant percent of harmful ultraviolet rays from a variety of sources are blocked by these lenses. I think you will definitely notice that difference. Thanks for listening and I hope you enjoyed the video and I'll see you on the next one. Photochromic dyes do not work well in common plastic materials, so new polymers compatible with dyes are used. The two most widely preferred lensesare CR 39 and polycarbonate. Originally developed for the aerospace industry, polycarbonate is a large part of VISION EASE innovation. Our polycarbonate lenses are manufactured with proprietary, fourth-generation water-white polycarbonate resins, are up to 50% lighter and thinner than plastic alternatives and 10 times more impact-resistant. In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. It was seen as a lens material with lots of potential for optimal optical success though it did not gain traction due to three main issues: Surfacing Problems: Surfacing is the process of placing a prescription onto a polycarbonate lens and preparing its surface before it is cut for the glass frame. The key difference between polycarbonate and plastic is that polycarbonates are lighter but, much stronger than plastic.. Polycarbonate and plastic are polymer materials. www.myvisbox.comComparing Plastic and Polycarbonate Lenses for Glasses by our in house Optometrist Dr. Alex. What works for one person might not for another. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. … May 25, 2018, Weekly Educational Vlog- Review of Clariti 1 Day It took manufacturers some time to develop surfacing equipment that could be used to surface a polycarbonate lens. While they’re not the thinnest kind of lens out there, they still retain their position as the swiss-army-knife of eyewear lenses. A lot of patients that go to our website, they see that we offer Plastic Lenses, Polycarbonate Lenses and Hi-Index Lenses. Polycarbonate lenses are popular because of the thin look they give to the frames and the strength the high index plastic provides. Count the Scratches. Plastic lenses do not have inbuilt protection against harmful ultraviolet rays, unlike polycarbonate lenses which have inherent UV protection. The polycarbonate lens is an upgraded option. When it comes to the world of prescription glasses and prescription sports goggles, the most important feature is the lenses. Polycarbonate lenses also have built-in ultraviolet protection. Thus, the lenses are often used in safety goggles, sports glasses and children's eyewear. Polycarbonate lenses are better than plastic lenses. Essilor’s polycarbonate lenses are 20% thinner, 30% lighter, and 12x more impact resistant than standard plastic lenses. 3 Benefits of Polycarbonate Lenses Safety. I hope you enjoy it. Computer Glasses with Clear Polycarbonate Double Sided Anti-reflective Coating, Scratch Coating and Uv Protection - Plastic Frame - 53-16-140 by Sheer Vision 3.6 out of 5 stars 51 $21.95 $ 21 . Often, optometrists recommend polycarbonate lenses when safety is an issue. polycarbonate vs plastic eyeglass lenses. This is why we want all patients to get Poly-carbonate lenses. Lets talk about the 2 most popular options. This then makes it crucial for you to make the right decision or risk ending up with an ineffective item. Polycarbonate lenses are also much thinner and lighter in weight. Polycarbonate lenses were introduced sometime in the 1980s by the Gentex Corporation. This is primarily because of its high optical clarity, low cost, impact-resistant, and durable property. You can then apply the information you have on both lenses to determine which will suit your needs best. Since then, plastic has become a popular and widely used material for making eyeglass lenses. In this article, we are going to be discussing specifically plastic and polycarbonate eyeglasses and the major differences between both lens materials. Lets talk about the 2 most popular options. Subscribe to our newsletter and get 15% off your first purchase. Polycarbonate Lenses: Pros & Cons. So for anybody getting glasses, I strongly strongly recommend getting polycarbonate lenses. VSP, EYEMED, FSA/HSA ACCOUNTS. For instance, certain individuals cannot use polycarbonate lenses, because they experience an odd Visual distortion. Unlike traditional lenses, polycarbonate is a thermoplastic material that begins as solid small pellets. How Do You Choose Sunglasses for Fishing? I recommend that to everyone of my patients in my practice, I would recommend it to everyone of our patients who is buying on our website. The lenses should be as easy to clean as possible (clean coatings on plastic lenses are better) Newest tech in terms of lens designs in most cases is available in plastic lenses only; When it comes to permanent tints and photochromic tints you will have more options with plastic lenses; Plastic lenses deliver higher impact resistance This gives Trivex lenses the advantage of crisper optics than injection-moulded polycarbonate lenses, according to PPG. Free shipping on all orders within the continental U.S. 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, which the optic shop likes to upgrade you to, is up to 10x more impact resistant than a basic plastic lens. 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It or LOSE it now that we have a brief overview of polycarbonate lenses are 10 impact-resistant... Strongly strongly recommend getting polycarbonate lenses have an impact on your vision, comfort, and 12x impact..., lightweight, and differences between both lenses you are shopping for a new eyeglass lens material available.. Eyeglasses and the strength the high index vs standard, polycarbonate lenses are much lighter in weight for glasses our. Often used in safety goggles, sports glasses and children 's eyewear CR.

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