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polycarbonate lenses meaning

Polycarbonate lenses already provide 100% protection from the UV rays of the sun. polycarbonate lens are also known as impact resistance lens, polycarbonate lens does not break easily. Polycarbonate has obvious applications for the transmission of light where the risk of impact is great: for example, automotive headlamps, security windows, motorcycle face shields and windscreens, prescription lenses, safety glasses, machinery guards, skylights, streetlamps, etc. Standard polycarbonate bifocal lenses for reading and distance vision viewing means that the reading area has a half moon shape with a "flat top", in the bottow area of the lens. You can also choose from modern, industrial, and traditional polycarbonate raw material, as well as from pc polycarbonate raw material, and whether polycarbonate raw material is more than 5 years, 5 years, or 1 year. Because of their resilience, polycarbonate lenses are great for kids, offering extra safety. They are more than 10-times more impact resistant than your average plastic or glass lens. Find out what is the most common shorthand of PolyCarbonate on Abbreviations.com! This feature includes clear lenses. The first type of coatings that were applied to polycarbonate were so resistant to tints that obtaining a sunglass shade was almost, if not, impossible. Designed for glazing and industrial uses, the Clear GP stands alone as the best polycarbonate on the market for protection against vandalism and intentional breakage. A wide variety of polycarbonate raw material options are available to you, such as graphic design, none, and others. In addition to standard Trivex®, Zenni also offers Blokz ™ Trivex ® Blokz ™ Trivex ® is a superior impact-resistance lens that is designed for all-day wear and protection from blue light. The lenses will block out all the horizontal light waves bouncing off a smooth pond or a shiny car hood, for instance. When it comes to lenses, you’ve got options: tinting, mirror coating, gradient, transition, polarized or non-polarized, and, of course — lens material. Meaning they do not require any other UV coatings to protect the wearer from harmful rays. Lesmore Polarized. Similar to polycarbonate, Trivex lenses are thin, lightweight, impact-resistant, and provide 100% UV protection. If you don’t know what type of lenses you have, they’re probably polycarbonate. Joshua Ho of AnandTech explains : Trivex ® Lenses. It offers elasticity, meaning that lens elements will not warp in adverse temperatures. Polycarbonate lenses took some time to … Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. This is unlike CR-39, which does not fare so well with higher prescriptions. To tint polycarbonate lenses one must tint the scratch coating and the better the scratch coating the harder it is to tint. This high-impact sheet boasts an impact strength 250 times that of glass and 30 times that of acrylic sheeting, meaning that whatever it’s protecting is going to stay protected. However, due to the requirements mentioned previously, the cover lenses are increasingly made of plastic (polycarbonate, PC). As a result, the image you see with polarized lenses is a bit darker than usual, but objects look crisper and clearer, and details are easier to see. Plano Contact Lenses. polycarbonate lens meaning and how its different from plastic lens . Aspheric lenses have complex curved surfaces that gradually changes in curvature from the centre of the lens to the outer edge. However, Trivex lenses offer sharper central and peripheral vision than polycarbonate lenses, but are not as widely available in as many lens types. Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. Polycarbonate lenses are a good “thin” choice for prescriptions up to +/-5.00. 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. Aspheric Lenses . Trivex lenses are made from a urethane-based monomer. Polycarbonate is still lighter, and can be made in higher index - meaning that a strong prescription lens can still be quite thin. Another example of plano lenses are colored contacts. Ideal for Safety. Polycarbonate lenses (often abbreviated as PC), are the most common lens type and considered the industry standard. It was developed in 2001 by PPG Industries as an alternative to polycarbonate. 1.59 Index Lens Lenses with this index are made from special polycarbonate materials. The pros of PC lenses is that they’re thin, light, and impact-resistant, making them … Most lenses in glasses today are made of CR-39 plastic, or very close copies (since the material is owned by PPG). On the flip side, polycarbonate does not conduct heat well, meaning it can actually affect the performance of the phone under a heavy workload. Polycarbonate, unfortunately, is very resistant to tints. Looking for the abbreviation of PolyCarbonate? These lenses are super-thin but are also more expensive than the polycarbonate option. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. This must be free of streaks and bubbles. Place the lens of your sunglasses at a 90-degree angle to the lens of the drugstore sunglasses. Polycarbonate lenses are also as much as 10 times more impact resistant than plastic or glass lenses, meaning they are harder to fracture or shatter and resulting in fewer cracked or sharp broken pieces in case of an accident. Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. Our 1.6, 1.67, and 1.74 index lenses can all be considered high index. Conventional cover lenses are generally made of glass. Polycarbonate lenses are a very common choice for prescription sunglasses. Whereas conventional lenses have a front surface that is spherical, meaning it has the same curve across its entire surface, much like a football. This special material is an alloy of polycarbonate and metal and used in the construction of the lens barrel. 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. Some of the common applications are compact disc, safety helmets, bullet-proof glass, car headlamp lenses, baby feeding bottles, roofing and glazing etc. 1.59 Index Lens – Polycarbonate Lenses Polycarbonate lenses were initially used for safety glasses and now this material is actively used in making kids glasses, sports glasses and for almost every prescription. Story: Say hello to the Lesmore.As the name invokes, it’s a perfect combo of less and more, meaning you get a frame free of glitz and chock full of things you really need—like a modern silhouette, polycarbonate lenses and an array of colors to … When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.. If the combined lenses turn … 1.59 index offers optical clarity and also 100% UV protection. Polycarbonate was first prepared in 1953 by Dr.H.Schnell of Bayer AG, Germany and by D.W. Fox of General Electric Company, USA. The standard polycar Crystal Vision polycarbonate bifocal lenses for reading and distance vision viewing means that the reading area has a half moon shape with a "flat top", in the bottow area of the lens. The estimated dietary intake of BPA from polycarbonate is more than 4000 times lower than the maximum acceptable daily dose for BPA, established by the U.S. Environmental Protection Agency. but regular plastic lens can break easily, however it also depend on the type of frame. These impact-resistant lenses are a good choice if you play sports, work where your eyeglasses could easily get damaged, or have kids who are tough on their specs. If you're unsure whether your lenses are polarized: Take your sunglasses to the drugstore and grab a pair of polarized sunglasses from the shelf. It … Polycarbonate also has very good heat resistance and can be combined with flame retardant materials without significant material degradation. They’re light weight means that they absorb energy without fracturing, giving them up to 10 times the impact resistance of other plastics. As a manufacturer for polarized lenses,we got many questions from our customers about the advantages and disadvantages of different lens materials.Below are my personal opinions to … Since polycarbonate lenses naturally filter out UV light, they do not need any additional coatings. This means that they can provide 100% UV protection. Polycarbonate. For some clarity on which lens material is best for you, let’s have a little face-off between the generations-old glass and the (relatively) young upstart polycarbonate. With polycarbonate’s super impact resistance to plastic and glass, it was the perfect lens material for safety glasses. Polycarbonate lenses were first introduced into the optical world through safety glasses. Polycarbonate definition, a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows. These lenses are thinner and stronger than lenses with a 1.5 index and can deal with prescriptions with an SPH correction between +/- 5.00 and +/- 4.00 and a CYL correction of +/- 3.00 and lower. And Then Came Poly. Several months in the making, finally, we do a side-by-side comparison of the Trivex and polycarbonate lens materials. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. Check out our guide to Nikon, Canon, Tokina, Sony or Tamron lens abbreviations next! See more. The Advantages of Polycarbonate Lenses They are much thinner and lighter than lenses made from other types of plastic, meaning they are more comfortable, especially for the smaller faces of children. Great for kids, offering extra safety lens does not break easily, however it depend! For glasses are made of plastic ( polycarbonate, Trivex lenses usually are the best choice for up... From the centre of the lens to the lens to the requirements mentioned previously, the cover are. 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