polycarbonate vs glass lenses

August 31, 2019

At EyeBuyDirect, you can get a pair of polycarbonate lenses with your choice of frame for as low as $18! During the manufacturing process, commonly known as injection molding, those small solid pellets are heated until they completely melt. Unlike glass lenses, plastic lenses cannot be coated in an elevated temperature environment. Glass tends to be a heavier material than polycarbonate lenses. Even plastic shaded lenses on the cheap hoods. Subscribe to our newsletter. Which is the best option, though? So, while ⅛” of polycarbonate may be more shatter-resistant than ⅛” of glass, some manufacturers may cut costs by using thinner polycarbonate. With the right scratch resistant or digital protection coating, their potential increases even more. Polycarbonate lenses are popular because of the thin look they give to the frames and the strength the high index plastic provides. Glass lenses are by far optically clearer than polycarbonate lenses. Polycarbonate lenses advantages and disadvantages, Each lens offers advantages and disadvantages. This is why glass is primarily used in microscopes, binoculars, telescopes, and cameras. First of all, there are glass and plastic materials. Borosilicate Glass vs. Polycarbonate Outdoor Lights: The Verdict. Glass lenses generally have a higher index than plastic lenses, making them slightly thinner and more attractive looking. 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. Material Index vs. Abbe Value. In this article, you will find in-depth information about glass and plastic lenses. And the difference is significant. These lenses are not scratch resistant like glass, so it does need an additional scratch-resistant layer. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your glasses, sunglasses, and sports eyewear. “Good enough for fighter pilots, good enough for us.”. Of course, if you’re unsure of which to choose, you can always. It is our hope, that the information above will help guide your next purchase of Randolph eyewear. Glass is the undeniable winner in this category. Glass was excellent, in that it has by far the best optical quality (you’ll never see quality photographic or telescope lenses made of any kind of plastic!). In the end, neither glass nor polycarbonate is necessarily better than the other. If you’re the type to have a pair of glasses for a long period of time, then glass lenses are a better choice. Glass lenses are the traditional ones, having been used for some time now, while plastic lenses are relatively newer. Plastic or glass lenses? Glass and polycarbonate lenses can handle occasional falls but aren’t invincible against long drops. To optimize your experience we use cookies. Both! It comes down to your needs and comfort level when choosing a proper lens. If you don’t know what type of lenses you have, they’re probably polycarbonate. Who is the winner of polycarbonate lenses vs. glass lenses? Plastic lenses come in more colors and larger sizes than glass lenses… It was developed in 2001 by PPG Industries as an alternative to polycarbonate. For those sensitive to pressure or who plan to wear eye protection for long hours, polycarbonate may be a better choice for its lightweight and pliable properties. Glass is the most vulnerable in this category. Polycarbonate lenses are not as clear as glass lenses, but the difference is not really significant to most people. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. Here’s a quick rundown of their top features to help you decide. Our guarantees — a 12-Month Product Guarantee and a 14-Day Style & Fit Guarantee — also ensure that you’re happy with your purchase by replacing, refunding, or exchanging your frames if they become damaged or aren’t quite your style. Trivex ® Lenses. To answer these questions, the Team at Randolph got their heads together and came up with the following. The strength of polycarbonate is largely dependent on its thickness. Weight: A lens weight becomes noticeable when wearing your frames for long periods. These are the two most popular forms of glasses currently on the market. Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. Polycarbonate lenses are a version of plastic lenses that provide impact and scratch resistance. If you’re sensitive to your frame’s weight, for example, polycarbonate lenses may be the right choice. 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 lenses were first introduced into the optical world through safety glasses. Monday-Friday 9 a.m. - 12 a.m. EST They have similar properties, as well as different advantages and disadvantages. The choice is up to you. By visiting our website, you agree to our Privacy Policy. See our latest collections & exclusive offers before the crowd! This is why you will only see polycarbonate lenses used for safety and/or sports eyewear. However, it must be noted that with either glass or polycarbonate, as long as you clean your lenses with a microfiber cloth and keep your eyewear in a case, you will help protect against day to day scratching and your lenses will last longer. Ask an Optician. Plastic Vs Polycarbonate Lenses- Which One Is Better? Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. Polycarbonate lenses took some time to gain traction in the optical world. Hi-index lenses are made of a special plastic material that refracts light in a different way than regular plastic lenses. The higher the refractive index, the thinner the glass. Can Color Blind Glasses Help You See Color. Plastics are graded in numbers, such as 1.50 or 1.67. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. It is also not easily scratched. Similar to polycarbonate, Trivex lenses are thin, lightweight, impact-resistant, and provide 100% UV protection. Plastic vs glass lenses 03-05-2004, 12:14 PM. "polycarbonate vs plastic lenses best for high myope?" What you gain in impact resistance and higher index, you pay for in how the lens transfers light into your eye. 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. Let’s be friends! 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. And most of all, it gets thick quickly, … Hands down, polycarbonate lenses are a better choice for impact protection. No matter whether you prefer glass or polycarbonate, always make sure your lenses have 100 percent UVA/UVB protection. Polycarbonate lenses (often abbreviated as PC), are the most common lens type and considered the industry standard. This way you will have an easier time deciding if you want to buy a pair of glass or plastic lenses next time you need new glasses. The two best-selling eyeglass lenses are the most basic ones: CR-39 and the polycarbonate, both plastic. Most glass will absorb UV radiation, but when it comes to protecting your eyes from the sun’s damaging rays, polycarbonate plastic is the best bet. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. To help your eyewear last, the best rule to live by is: In the case or on your face! Of course, if you’re unsure of which to choose, you can always contact our support team for advice. 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. (Few people now use glass, which is heavy and breakable.) This kind of UV protection is an inherent part of the material they’re made out of, which glass and plastic lenses lack. Upon hard impact, glass will shatter which could lead to further injury. Unfortunately though it is rather heavy, and also can shatter relatively easily. Today polycarbonate is the standard lens material for many online eyeglass retailers, and they are standard in all children’s glasses, safety glasses, and sports goggles. Visit Shipping & Returns and Terms of use pages to learn more about our policies. Choose glasses that are sturdy, attractive, shatter-resistant, comfortable – and easy to wear. Is one really better than the other? 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. Independent, authentic American eyewear since 1973. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. © 2021 Randolph Engineering, Inc. All Rights Reserved. Plastic lenses are much lighter than glass lenses, and are less likely to shatter. Polycarbonate Lenses: Pros & Cons. If you’ve browsed for prescription or non-prescription frames you know both types of lenses offer their own benefits and disadvantages. The impact protection on polycarbonate is so good that both safety and sports eyewear use polycarbonate for their lenses. Saturday-Sunday 9 a.m. - 6 p.m. EST. All blog comments are checked prior to publishing. Choosing the lens for your frames relies on you. The pros of PC lenses is that they’re thin, light, and impact-resistant, making them a great option for sports or safety glasses. Each lens offers advantages and disadvantages. Polycarbonate may not be the wrong choice, but your lenses will be thicker. The following holds true for both materials: Choosing the most suitable one hinges on individual factors such as visual acuity and personal taste. When compared to standard glass, both acrylic and polycarbonate materials provide many benefits that standard glass does not afford. Plastic lenses are less reflective than glass lenses, making them clearer and less prone to glare. Inspired by the earlier post about cleaning the hood lenses. Considering their price and the many pros that come with polycarbonate lenses, they are definitely worth it in both the long run and short term. They’re durable and impact-resistant, lightweight and thin, and even offer extremely effective UV protection. Glass tends to be a heavier material than polycarbonate lenses. Try not to use your shirt! In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. This is somebody who has a -5.00 prescription. If you really can’t figure it out or want to be absolutely sure before using a product … Choosing the lens for your frames relies on you. What is the best and proper setup for glass under the welding hood? Over time, UV damage may lead to eye problems such as cataracts or cancer. Trivex lenses are made from a urethane-based monomer. Or high-index lenses, and provide 100 % UV protection construct the lenses in much the same way regular lenses! 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