Industry-leading clarity and quality. Polycarbonate lenses are better than plastic lenses. 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. The monomers of polycarbonates are bisphenol A and phosgene. 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. A lot of patients that go to our website, they see that we offer Plastic Lenses, Polycarbonate Lenses and Hi-Index Lenses. They’re also ideal for strong prescriptions since they do not add thickness when correcting vision, minimizing any distortion. 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 Well, plastic lenses are our basic lens. Count the Scratches. You have progressive lenses; which is more sensitive to refraction (multiple diopters in … The polycarbonate lens is an upgraded option. polycarbonate lens vs plastic lens. Now that we have a brief overview of polycarbonate lenses let us consider some of its advantages and disadvantages. 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. This gives Trivex lenses the advantage of crisper optics than injection-moulded polycarbonate lenses, according to PPG. 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. Thanks for listening and I hope you enjoyed the video and I'll see you on the next one. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. Subscribe to our newsletter and get 15% off your first purchase. In this article, we are going to be discussing specifically plastic and polycarbonate eyeglasses and the major differences between both lens materials. So, It is a good idea to try them. 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. We look forward to hearing from you. Polymers are large macromolecules made of small repeating units called monomers. Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. 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. Polycarbonate lenses also have built-in ultraviolet protection. Polycarbonate lenses are gradually taking over a significant portion of the optical market share once dominated by plastic lenses. They are often used in high myopes to allow for the glasses to be thinner and lighter. A 41-year-old member asked: polycarbonate vs plastic lenses best for high myope? Eventually, the final decision is up to you. Polycarbonate lenses are 10 times more impact-resistant than ordinary plastic lenses. Our expert team have vast years of working experience in the optical industry and can help guide you through the decision making process. If you need any assistance in selecting the right lenses for your eyewear, please contact us now. Polycarbonate lenses have higher impact resistance and offer greater protection than plastic lenses. The unique property of polycarbonate lenses meant that surfacing was going to be an issue. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. Shatter proof, thinner, lighter material and just feels better on your face because you have less weight there. For instance, certain individuals cannot use polycarbonate lenses, because they experience an odd Visual distortion. This is mainly because of its lighter weight, impact-resistant, thinner and more scratch-resistant properties. You can then apply the information you have on both lenses to determine which will suit your needs best. Our job is to highlight the various benefits, drawbacks, and differences between both lenses. 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. 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. Our job is to highlight the various benefits, drawbacks, and differences between both lenses. Trivex lenses vs polycarbonate. It took manufacturers some time to develop surfacing equipment that could be used to surface a polycarbonate lens. It is a little bit more pricey for the polycarbonate, but is worth every penny because you are getting a much better lens. So really consider doing the upgrade for the polycarbonate lenses. Thus, the lenses are often used in safety goggles, sports glasses and children's eyewear. After all, this is what people are going to be looking through. In this case, choosing a plastic eyeglass lens or high index lens would be much better. Lens materials affect thickness and weight. Not only that, but look at the difference in thickness you are going to get. Essilor’s polycarbonate lenses are 20% thinner, 30% lighter, and 12x more impact resistant than standard plastic lenses. During the manufacturing process, commonly known as injection molding, those small solid pellets are heated until they completely melt. The other thing is, they are legally required for anybody under the age of 18. In fact, you may currently be thinking of making the upgrade to polycarbonate if your current lenses are CR 39. 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. The first lightweight Plastic eyeglass lens made its debut sometime in 1947. The Basic Lens - Polycarbonate. Photochromic dyes do not work well in common plastic materials, so new polymers compatible with dyes are used. The key difference between polycarbonate and plastic is that polycarbonates are lighter but, much stronger than plastic.. Polycarbonate and plastic are polymer materials. If you are shopping for a new eyeglass be sure to find out the lens materials available. Polycarbonate lenses include both 100% UV protection and anti-scratch coating. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. polycarbonate vs plastic eyeglass lenses. 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. Lightweight and thinner than glass lenses, polycarbonate is … Inherent Ultraviolet (UV) protection: Polycarbonate lens surfaces offer inbuilt ultraviolet protection. 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