This is where polarized lenses come in handy because they have a filter specially made to block this  glare. Check out AMO's NXT and polycarbonate lenses. I have always had trouble with my sunglasses sitting too low so I would get glare above the frame. So what is best: Trivex NXT or polycarbonate? Plastic is much lighter than glass, making it more comfortable to wear all day and plastic lenses come in many more colours and larger sizes. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.. The second and third layer allows durability that resists harsh environments. There is no layering. 4. No sliding off the nose, no steamy lenses! The photochromic lenses are especially good and I have no problem switching lenses in and out. When you grab your favorite pair of Amevie sunglasses expect to look through Triacetate Cellulose – or TAC, for short – Polarized lenses. Consequently, they provide increased transparency of vision and 100% protection from UV rays. Like tree branches, rocks on roads, etc. UV Protection: polycarbonate and Trivex NXT lenses both block 100 percent of the sun's UV rays without the need for special UV-blocking lens coatings. ", "Last Sunday, I nervously rode up to Tin Pin Shan Mountain Bike Race in Hong Kong and wore my new AMO sunglasses. Before getting started I want to say that I am not being paid by any particular lens company. AMO sunglasses did all that on a very sunny OTW race day: providing untroubled protection and comfort so I could focus on the race. Also available in Cirrus (yellow), Gale (pink), Strong and lightweight for multisports athletes including ultra runners, marathon runners, cyclists, mountain bikers and triathletes, Ironcatcher (black) - pictured with Revo blue lens. The best TAC Polarized Lens are those that block more than 99% of harmful UV rays with wavelengths up to 400 nanometers. Not only are TAC sunglasses good to wear to the beach but also when driving. Sunlight scatters without direction and when it hits flat surfaces, the reflected light becomes polarized, in other words, it is less scattered and more aligned. Hi-index lenses are made of a special plastic material that refracts light in a different way than regular plastic lenses. This is a patented production process. I will wear with pride and honour. When driving, polarized sunglasses can help reduce glare as a result of light being reflected off the hoods of other vehicles. In the manufacturing process the pellets are heated until they melt. ", "My 3 favourite things about AMO glasses are, they don't fog when I'm working hard on climbs even in the hottest of conditions, they don't move when I'm running downhill on technical trails and the variety of lenses available means that I always have the perfect pair of glasses for whichever conditions I'm racing in. Photochromic lenses, sometimes referred to as transition lenses, are eyeglass lenses that will turn dark (resembling sunglasses) in sunlight and become clear again when indoors.This is the result of chemical responses to the presence (and absence) of ultraviolet light. It is also not easily scratched. On the other hand, despite its many advantages, polycarbonate isn't the only lens material suitable for sports sunglasses. Regarding to lens changing when I received my glasses I actually had a look at the videos they provide in order to change the lenses and it works fine. The quality of AMO sunglasses surpassed my expectations. Several other brands disappointed me due to fogging up and making the vision blurred. 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. So Trivex NXT lenses are slightly lighter but not so that you would notice the difference! It is as if it's morphed into my skin. "polycarbonate vs plastic lenses best for high myope?" You will notice the difference in optical quality when you look through the lens at a distant object or outside but it is pretty hard to tell the difference in a shop or without a comparison with something good. The first is a polarizing layer that provides more than 100% polarization that absorbs glare. Optical clarity at the peripheral vision: Trivex NXT lenses have a higher Abbe value (the is is the distortion at the periphery of your vision) and produces sharper peripheral vision with less chromatic aberration than polycarbonate lenses. What are the features of the best lenses in the best sports sunglasses? The fourth and fifth are UV absorbing layers that absorb over 99% ultraviolet rays. They look almost identical. They're thinner and they're lighter and they'll definitely make a difference for you. ", "AMO sunglasses are by far the best sunglasses I have ever had. The AMO sunglasses had great optical clarity, were comfortable and fitted perfectly. It is a very good lens material. Costa 580P polycarbonate and trivex lenses are the lightest lens material compared to 580G lenses Hands down the best pair of shades I've ever owned. Clarity. I also love the lack of bottom edge to the lenses which means sweat is not trapped at the rim and it improves my vision on the trails. Is there a difference between Trivex NXT and polycarbonate in sports sunglasses lenses? The second and third layer … Answered by Dr. Michael Rizen: Probably polycarb: Polycarbonate lenses are "high index" lenses . The result is an optically correct Polarized lens with extremely high clarity. Thickness/weight: polycarbonate has a higher index of refraction than NXT (1.58 vs. 1.53) and a lower specific gravity than polycarbonate. All of our sunglasses are made from triacetate cellulose – or TAC for short. The last two layers, are shock proof layers that increase impact and scratch resistance. Today's eyeglass frames are made from many types of plastic and metal. ", "I like technology when it improves your life without you realizing it’s there. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses. The liquid polycarbonate is then rapidly injected into lens molds, compressed under high pressure and cooled to form a single finished lens. Protection and clarity for cyclists, mountain bikers and triathletes, Firestorm (red) - pictured with mirror-finish medium-dark lens. They are a great fit and very comfortable. Costa 580 Polycarbonate/Trivex Lens Benefits. Also without really a close examination of the edge of the lens with it is difficult to spot the difference between a polycarbonate lens and a layered plastic lens. Trivex NXT is better. See below for guideline. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. ", "I used AMO sunglasses for the Oxfam 100km and found them light and comfortable. Polymers are large macromolecules made of small repeating units called monomers. So what lens material do you choose for sports sunglasses? Plastics are graded in numbers, such as 1.50 or 1.67. Trivex NXT lenses have less internal stress during manufacture and produce sharper central vision than polycarbonate lenses. ", "I have a couple of pairs of AMO sunglasses and I love them. This unique production process gives Trivex NXT lenses the advantage of crisper optics than polycarbonate lenses. The key difference between polycarbonate and plastic is that polycarbonates are lighter but, much stronger than plastic.. Polycarbonate and plastic are polymer materials. It is also much less expensive to use than glass. Along the same lines, plastic lenses are less bulky than glass ones. Like polycarbonate lenses, lenses made of Trivex NXT lenses are thin, lightweight and much more impact-resistant than regular plastic or glass lenses. The only way you can really be sure is buy your sunglasses from a reputable sports sunglasses company or just buy Trivex NXT lenses for peace of mind. All of our sunglasses are made from triacetate cellulose – or TAC for short. Cost: of course, I have mentioned the cost, for Trivex NXT lenses you have to pay a premium over polycarbonate lenses. I am interested in: For those with photophobia or better known as light sensitivity  TAC Polarized sunglasses are your best friend. I am a big fan. I find water droplet smears and then white salt residue build up when skiff sailing. ", "I was searching for a true ergonomic pair of sports sunglasses for triathlon. These polarized lenses can be trimmed to the desired shape. The G-15 lens included in the model are the top of the line. HTML code is not allowed. Costa 580G glass lenses are20% thinner and 22% lighter than average polarized glass lenses. To help you decide which lens material is suitable for sports sunglasses the key issues as follows: 1. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. I can definitely recommend them. ", "I used AMO sunglasses for the Oxfam trailwalker and wore them all day and found them so comfortable I forgot they were on my face. Women Sunglasses The eyes are more sensitive to green and … ", "For me, my AMO Transformer sunglasses are essential training/race kit. I am often being asked what is the difference between Trivex NXT® and polycarbonate lenses. The arrival of the sun has us all excited and ready for some fun. As a reward for reading this far, AMO sunglasses are offering you an additional 10% discount if you purchase a new pair of AMO sports sunglasses. The adjustable nose-piece means and temple arms means that they are suit to the typical flat Asian face. Amevie is a Canadian lifestyle and sun-care brand that cares. Other lens materials offer good optical characteristics but poorer impact resistance. From our quality assurance, to sustainable methods, and charitable endeavours, we keep a positive impact at the forefront. Polycarbonate lenses in sports sunglasses, 3. Be careful. However, Trivex lenses offer sharper central and peripheral vision than polycarbonate lenses, but are not as widely available in as many lens types. Been wearing mine in the blistering heat in Melbourne on bikes and runs and they have been awesome. I love the adjustable temple arms that ensure that the sunglasses stay in place the whole time during the race or training", "They look amazing. The interchangeable lenses also add variation and value to my moods. AMO's Twister sunglasses answered all my requests and also exceeded my expectations. This is in part due to the manufacturing process and part in due to there is only one company (PPG) in the market that controls this proprietary production process. Perfect function: eye protection, multiple lenses that are photochromic to adapt to different light levels. AMO sports sunglasses lenses are made from either Trivex NXT® or the very highest grade polycarbonate (manufactured to higher standards than some polycarbonate lenses on the market). Now all my friends think they look very cool, too. And Then Came Poly. ", "I am super impressed with the lenses in my AMO sunglasses. I really like your blog.. very nice colors & theme. They offered sufficient protection against the bright sunlight, without impairing my vision in any way. 4. If you just want to look sporty or use them in the car or at the tennis club then you can choose any other lens material. Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). We think all the time! Glasses look at feel great, very clear visual and comfortable to wear. Trivex NXT lenses, however, are composed of a urethane-based monomer and are made from a proprietary process which means that less impurities are built into the lenses during production. 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. 2,213 tac polarized lens material products are offered for sale by suppliers on A wide variety of tac polarized lens material options are available to you, such as rohs. And I have to say that these AMO shades are the best ones I've ever worn. Which is the best sports sunglasses lens material: Polycarbonate or Trivex NXT? I can definitely recommend them based on my experience The most impressive aspect though is the clarity of view, it's crystal clear and better than my naked eye. The lenses will provide you with the best contrast and image definition. If you’re looking for the highest optical quality, glass is the way to go. A Guide to Sunglass Terminology. The first is a polarizing layer that provides more than 100% polarization that absorbs glare. Polycarbonate or Trivex lenses are great if you, or a kid, plays sports. I have been running with them since; they are so light, you won't even notice it. I Perfect form: light, durable, close fitting. 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. Polycarbonate and Trivex NXT® are up to 10 times more impact-resistant than glass, plastic, TAC or CR39 lenses. ". I have to say that my AMO sunglasses did their job perfectly, transitioning nicely from the cloudy early morning to provide the protection I needed as the sun gradually shone through. As a reward for reading this far, AMO sunglasses are offering you an additional 10% discount if you purchase a new pair of AMO sports sunglasses. This process allows us to form the lenses precisely, embedding the polarization in the material itself. It is very hard. I don't leave home without them", "I love my AMO sunglasses! Winner: Plastic Lenses . The tint is at just the right level to reduce glare when the sun is out and let's me still see well in cloudy conditions. The monomers of plastic depend on the type of plastic; there are two … When it comes to lenses, you’ve got options: tinting, mirror coating, gradient, transition, polarized or non-polarized, and, of course — lens material. So when it’s best to wear polarized lenses? They are also more impact resistant than polycarbonate and are used in the windshield of the US Apache helicopter. Login to access your order history, amend addresses and leave reviews. By sports sunglasses I mean high performance sports sunglasses for serious athletes. I went to the shop to try them all, and found that the Transformer sunglasses fit my face perfectly. It's like seeing the trail in hi-def. PC POL lens; The advantages are the polarization and optical power,but the disadvantage is the price is around USD5 higher than TAC POL lens,and also it's … Not only that our sunglasses are fashionable and sustainable, but also provide maximum UV protection for driving and outdoor activities. With hi-index lenses, vision can be corrected with less material, making the lens much thinner. Just browsing. Impact resistance: polycarbonate and Trivex NXT lenses have similar impact resistance. That means that Trivex NXT lenses are about 10 percent thinner and a bit lighter than polycarbonate lenses. I used to prefer running without sunglasses before as I couldn't find the right ones to run in. Trivex NXT® lenses in sports sunglasses. :) Like the black frames. Lets talk about the 2 most popular options. 6. The Polycarbonate Lens Difference If you have polycarbonate lenses or high-index lenses, you’ll find yourself needing anti reflective coating more than someone who has a regular plastic lens. Also most cheap or non-sports lens are thinner than a sports sunglasses lens at about 1mm thick. Price. They are great quality and the lenses are the best I’ve had. Tim Hallworth is a triathlete, adventure racer and ultra marathon runner and together with his wife Fenny is the co-founder of AMO Sunglasses.

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